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authorMohamad Chaarawi <chaarawi@hdfgroup.org>2014-07-29 18:56:43 (GMT)
committerMohamad Chaarawi <chaarawi@hdfgroup.org>2014-07-29 18:56:43 (GMT)
commit22b4ee2d171a1dc0874736a052fd4c1cadb0d251 (patch)
tree2a242d59ad2a59a3d3367243862c7f1b99c98f4a /src/H5F.c
parentba6a00e92f1e97c03fa03fa1083e31e8c88285fe (diff)
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[svn-r25490] bring 25468 from trunk.
Aligning code with changes made in VOL branch. This will make porting non VOL related changes from trunkto the 1.8 branch much easier. tested h5commitest.
Diffstat (limited to 'src/H5F.c')
-rw-r--r--src/H5F.c1960
1 files changed, 37 insertions, 1923 deletions
diff --git a/src/H5F.c b/src/H5F.c
index e45882d..ea48ff7 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -20,7 +20,7 @@
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
/* Interface initialization */
-#define H5_INTERFACE_INIT_FUNC H5F_init_interface
+#define H5_INTERFACE_INIT_FUNC H5F__init_pub_interface
/***********/
@@ -41,19 +41,6 @@
#include "H5SMprivate.h" /* Shared Object Header Messages */
#include "H5Tprivate.h" /* Datatypes */
-/* Predefined file drivers */
-#include "H5FDcore.h" /*temporary in-memory files */
-#include "H5FDfamily.h" /*family of files */
-#include "H5FDlog.h" /* sec2 driver with logging, for debugging */
-#include "H5FDmpi.h" /* MPI-based file drivers */
-#include "H5FDmulti.h" /*multiple files partitioned by mem usage */
-#include "H5FDsec2.h" /*Posix unbuffered I/O */
-#include "H5FDstdio.h" /* Standard C buffered I/O */
-#ifdef H5_HAVE_WINDOWS
-#include "H5FDwindows.h" /* Windows buffered I/O */
-#endif
-#include "H5FDdirect.h" /*Linux direct I/O */
-
/****************/
/* Local Macros */
@@ -64,22 +51,6 @@
/* Local Typedefs */
/******************/
-/* Struct only used by functions H5F_get_objects and H5F_get_objects_cb */
-typedef struct H5F_olist_t {
- H5I_type_t obj_type; /* Type of object to look for */
- hid_t *obj_id_list; /* Pointer to the list of open IDs to return */
- size_t *obj_id_count; /* Number of open IDs */
- struct {
- hbool_t local; /* Set flag for "local" file searches */
- union {
- H5F_file_t *shared; /* Pointer to shared file to look inside */
- const H5F_t *file; /* Pointer to file to look inside */
- } ptr;
- } file_info;
- size_t list_index; /* Current index in open ID array */
- size_t max_nobjs; /* Maximum # of IDs to put into array */
-} H5F_olist_t;
-
/********************/
/* Package Typedefs */
@@ -89,14 +60,7 @@ typedef struct H5F_olist_t {
/********************/
/* Local Prototypes */
/********************/
-static herr_t H5F_get_objects(const H5F_t *f, unsigned types, size_t max_index, hid_t *obj_id_list, hbool_t app_ref, size_t *obj_id_count_ptr);
-static int H5F_get_objects_cb(void *obj_ptr, hid_t obj_id, void *key);
-static H5F_t *H5F_new(H5F_file_t *shared, unsigned flags, hid_t fcpl_id,
- hid_t fapl_id, H5FD_t *lf);
-static herr_t H5F_build_actual_name(const H5F_t *f, const H5P_genplist_t *fapl,
- const char *name, char ** /*out*/ actual_name);
-static herr_t H5F_dest(H5F_t *f, hid_t dxpl_id, hbool_t flush);
-static herr_t H5F_close(H5F_t *f);
+
/*********************/
@@ -113,11 +77,6 @@ static herr_t H5F_close(H5F_t *f);
/* Local Variables */
/*******************/
-/* Declare a free list to manage the H5F_t struct */
-H5FL_DEFINE(H5F_t);
-
-/* Declare a free list to manage the H5F_file_t struct */
-H5FL_DEFINE(H5F_file_t);
/* File ID class */
static const H5I_class_t H5I_FILE_CLS[1] = {{
@@ -127,6 +86,35 @@ static const H5I_class_t H5I_FILE_CLS[1] = {{
(H5I_free_t)H5F_close /* Callback routine for closing objects of this class */
}};
+
+/*--------------------------------------------------------------------------
+NAME
+ H5F__init_pub_interface -- Initialize interface-specific information
+USAGE
+ herr_t H5F__init_pub_interface()
+RETURNS
+ Non-negative on success/Negative on failure
+DESCRIPTION
+ Initializes any interface-specific data or routines. (Just calls
+ H5F_init() currently).
+
+--------------------------------------------------------------------------*/
+static herr_t
+H5F__init_pub_interface(void)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+ FUNC_ENTER_STATIC
+
+ /*
+ * Initialize the atom group for the file IDs.
+ */
+ if(H5I_register_type(H5I_FILE_CLS) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to initialize interface")
+
+ ret_value = H5F_init();
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5F__init_pub_interface() */
/*-------------------------------------------------------------------------
@@ -156,37 +144,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5F_init_interface
- *
- * Purpose: Initialize interface-specific information.
- *
- * Return: Success: non-negative
- * Failure: negative
- *
- * Programmer: Robb Matzke
- * Friday, November 20, 1998
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5F_init_interface(void)
-{
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT
-
- /*
- * Initialize the atom group for the file IDs.
- */
- if(H5I_register_type(H5I_FILE_CLS) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to initialize interface")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_init_interface() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5F_term_interface
*
* Purpose: Terminate this interface: free all memory and reset global
@@ -312,109 +269,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5F_get_access_plist
- *
- * Purpose: Returns a copy of the file access property list of the
- * specified file.
- *
- * NOTE: Make sure that, if you are going to overwrite
- * information in the copied property list that was
- * previously opened and assigned to the property list, then
- * you must close it before overwriting the values.
- *
- * Return: Success: Object ID for a copy of the file access
- * property list.
- *
- * Failure: FAIL
- *
- * Programmer: Quincey Koziol
- * Wednesday, May 25, 2005
- *
- * Modifications:
- *
- *-------------------------------------------------------------------------
- */
-hid_t
-H5F_get_access_plist(H5F_t *f, hbool_t app_ref)
-{
- H5P_genplist_t *new_plist; /* New property list */
- H5P_genplist_t *old_plist; /* Old property list */
- void *driver_info=NULL;
- unsigned efc_size = 0;
- hid_t ret_value = SUCCEED;
-
- FUNC_ENTER_NOAPI(FAIL)
-
- /* Check args */
- HDassert(f);
-
- /* Make a copy of the default file access property list */
- if(NULL == (old_plist = (H5P_genplist_t *)H5I_object(H5P_LST_FILE_ACCESS_ID_g)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")
- if((ret_value = H5P_copy_plist(old_plist, app_ref)) < 0)
- HGOTO_ERROR(H5E_INTERNAL, H5E_CANTINIT, FAIL, "can't copy file access property list")
- if(NULL == (new_plist = (H5P_genplist_t *)H5I_object(ret_value)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")
-
- /* Copy properties of the file access property list */
- if(H5P_set(new_plist, H5F_ACS_META_CACHE_INIT_CONFIG_NAME, &(f->shared->mdc_initCacheCfg)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set initial metadata cache resize config.")
- if(H5P_set(new_plist, H5F_ACS_DATA_CACHE_NUM_SLOTS_NAME, &(f->shared->rdcc_nslots)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set data cache number of slots")
- if(H5P_set(new_plist, H5F_ACS_DATA_CACHE_BYTE_SIZE_NAME, &(f->shared->rdcc_nbytes)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set data cache byte size")
- if(H5P_set(new_plist, H5F_ACS_PREEMPT_READ_CHUNKS_NAME, &(f->shared->rdcc_w0)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set preempt read chunks")
- if(H5P_set(new_plist, H5F_ACS_ALIGN_THRHD_NAME, &(f->shared->threshold)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set alignment threshold")
- if(H5P_set(new_plist, H5F_ACS_ALIGN_NAME, &(f->shared->alignment)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set alignment")
- if(H5P_set(new_plist, H5F_ACS_GARBG_COLCT_REF_NAME, &(f->shared->gc_ref)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set garbage collect reference")
- if(H5P_set(new_plist, H5F_ACS_META_BLOCK_SIZE_NAME, &(f->shared->meta_aggr.alloc_size)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set metadata cache size")
- if(H5P_set(new_plist, H5F_ACS_SIEVE_BUF_SIZE_NAME, &(f->shared->sieve_buf_size)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't sieve buffer size")
- if(H5P_set(new_plist, H5F_ACS_SDATA_BLOCK_SIZE_NAME, &(f->shared->sdata_aggr.alloc_size)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set 'small data' cache size")
- if(H5P_set(new_plist, H5F_ACS_LATEST_FORMAT_NAME, &(f->shared->latest_format)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set 'latest format' flag")
- if(f->shared->efc)
- efc_size = H5F_efc_max_nfiles(f->shared->efc);
- if(H5P_set(new_plist, H5F_ACS_EFC_SIZE_NAME, &efc_size) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't set elink file cache size")
-
- /*
- * Since we're resetting the driver ID and info, close them if they
- * exist in this new property list.
- */
- if(H5P_facc_close(ret_value, NULL) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTFREE, FAIL, "can't free the old driver information")
-
- /* Increment the reference count on the driver ID and insert it into the property list */
- if(H5I_inc_ref(f->shared->lf->driver_id, FALSE) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINC, FAIL, "unable to increment ref count on VFL driver")
- if(H5P_set(new_plist, H5F_ACS_FILE_DRV_ID_NAME, &(f->shared->lf->driver_id)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set file driver ID")
-
- /* Set the driver "info" in the property list */
- driver_info = H5FD_fapl_get(f->shared->lf);
- if(driver_info != NULL && H5P_set(new_plist, H5F_ACS_FILE_DRV_INFO_NAME, &driver_info) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set file driver info")
-
- /* Set the file close degree appropriately */
- if(f->shared->fc_degree == H5F_CLOSE_DEFAULT && H5P_set(new_plist, H5F_ACS_CLOSE_DEGREE_NAME, &(f->shared->lf->cls->fc_degree)) < 0) {
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set file close degree")
- } else if(f->shared->fc_degree != H5F_CLOSE_DEFAULT && H5P_set(new_plist, H5F_ACS_CLOSE_DEGREE_NAME, &(f->shared->fc_degree)) < 0) {
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set file close degree")
- }
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_get_access_plist() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5Fget_obj_count
*
* Purpose: Public function returning the number of opened object IDs
@@ -456,38 +310,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5F_get_obj_count
- *
- * Purpose: Private function return the number of opened object IDs
- * (files, datasets, groups, datatypes) in the same file.
- *
- * Return: SUCCEED on success, FAIL on failure.
- *
- * Programmer: Raymond Lu
- * Wednesday, Dec 5, 2001
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_get_obj_count(const H5F_t *f, unsigned types, hbool_t app_ref, size_t *obj_id_count_ptr)
-{
- herr_t ret_value = SUCCEED;
-
- FUNC_ENTER_NOAPI(FAIL)
-
- /* Sanity check */
- HDassert(obj_id_count_ptr);
-
- /* Perform the query */
- if((ret_value = H5F_get_objects(f, types, 0, NULL, app_ref, obj_id_count_ptr)) < 0)
- HGOTO_ERROR(H5E_INTERNAL, H5E_BADITER, FAIL, "H5F_get_objects failed")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_get_obj_count() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5Fget_object_ids
*
* Purpose: Public function to return a list of opened object IDs.
@@ -536,253 +358,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5F_get_obj_ids
- *
- * Purpose: Private function to return a list of opened object IDs.
- *
- * Return: Non-negative on success; can't fail.
- *
- * Programmer: Raymond Lu
- * Wednesday, Dec 5, 2001
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_get_obj_ids(const H5F_t *f, unsigned types, size_t max_objs, hid_t *oid_list, hbool_t app_ref, size_t *obj_id_count_ptr)
-{
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI(FAIL)
-
- /* Sanity check */
- HDassert(obj_id_count_ptr);
-
- /* Perform the query */
- if((ret_value = H5F_get_objects(f, types, max_objs, oid_list, app_ref, obj_id_count_ptr)) < 0)
- HGOTO_ERROR(H5E_INTERNAL, H5E_BADITER, FAIL, "H5F_get_objects failed")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_get_obj_ids() */
-
-
-/*---------------------------------------------------------------------------
- * Function: H5F_get_objects
- *
- * Purpose: This function is called by H5F_get_obj_count or
- * H5F_get_obj_ids to get number of object IDs and/or a
- * list of opened object IDs (in return value).
- * Return: Non-negative on success; Can't fail.
- *
- * Programmer: Raymond Lu
- * Wednesday, Dec 5, 2001
- *
- *---------------------------------------------------------------------------
- */
-static herr_t
-H5F_get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id_list, hbool_t app_ref, size_t *obj_id_count_ptr)
-{
- size_t obj_id_count=0; /* Number of open IDs */
- H5F_olist_t olist; /* Structure to hold search results */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT
-
- /* Sanity check */
- HDassert(obj_id_count_ptr);
-
- /* Set up search information */
- olist.obj_id_list = (max_nobjs==0 ? NULL : obj_id_list);
- olist.obj_id_count = &obj_id_count;
- olist.list_index = 0;
- olist.max_nobjs = max_nobjs;
-
- /* Determine if we are searching for local or global objects */
- if(types & H5F_OBJ_LOCAL) {
- olist.file_info.local = TRUE;
- olist.file_info.ptr.file = f;
- } /* end if */
- else {
- olist.file_info.local = FALSE;
- olist.file_info.ptr.shared = f ? f->shared : NULL;
- } /* end else */
-
- /* Iterate through file IDs to count the number, and put their
- * IDs on the object list. */
- if(types & H5F_OBJ_FILE) {
- olist.obj_type = H5I_FILE;
- if(H5I_iterate(H5I_FILE, H5F_get_objects_cb, &olist, app_ref) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)")
- } /* end if */
-
- /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero),
- * or the caller wants to get the list of IDs and the list isn't full,
- * search through dataset IDs to count number of datasets, and put their
- * IDs on the object list */
- if(!olist.max_nobjs || (olist.max_nobjs && olist.list_index<olist.max_nobjs)) {
- if (types & H5F_OBJ_DATASET) {
- olist.obj_type = H5I_DATASET;
- if(H5I_iterate(H5I_DATASET, H5F_get_objects_cb, &olist, app_ref) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(2)")
- } /* end if */
- }
-
- /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero),
- * or the caller wants to get the list of IDs and the list isn't full,
- * search through group IDs to count number of groups, and put their
- * IDs on the object list */
- if(!olist.max_nobjs || (olist.max_nobjs && olist.list_index<olist.max_nobjs)) {
- if(types & H5F_OBJ_GROUP) {
- olist.obj_type = H5I_GROUP;
- if(H5I_iterate(H5I_GROUP, H5F_get_objects_cb, &olist, app_ref) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(3)")
- } /* end if */
- }
-
- /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero),
- * or the caller wants to get the list of IDs and the list isn't full,
- * search through datatype IDs to count number of named datatypes, and put their
- * IDs on the object list */
- if(!olist.max_nobjs || (olist.max_nobjs && olist.list_index<olist.max_nobjs)) {
- if(types & H5F_OBJ_DATATYPE) {
- olist.obj_type = H5I_DATATYPE;
- if(H5I_iterate(H5I_DATATYPE, H5F_get_objects_cb, &olist, app_ref) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(4)")
- } /* end if */
- }
-
- /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero),
- * or the caller wants to get the list of IDs and the list isn't full,
- * search through attribute IDs to count number of attributes, and put their
- * IDs on the object list */
- if(!olist.max_nobjs || (olist.max_nobjs && olist.list_index<olist.max_nobjs)) {
- if(types & H5F_OBJ_ATTR) {
- olist.obj_type = H5I_ATTR;
- if(H5I_iterate(H5I_ATTR, H5F_get_objects_cb, &olist, app_ref) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(5)")
- } /* end if */
- }
-
- /* Set the number of objects currently open */
- *obj_id_count_ptr = obj_id_count;
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_get_objects() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_get_objects_cb
- *
- * Purpose: H5F_get_objects' callback function. It verifies if an
- * object is in the file, and either count it or put its ID
- * on the list.
- *
- * Return: H5_ITER_STOP if the array of object IDs is filled up.
- * H5_ITER_CONT otherwise.
- *
- * Programmer: Raymond Lu
- * Wednesday, Dec 5, 2001
- *
- *-------------------------------------------------------------------------
- */
-static int
-H5F_get_objects_cb(void *obj_ptr, hid_t obj_id, void *key)
-{
- H5F_olist_t *olist = (H5F_olist_t *)key; /* Alias for search info */
- int ret_value = H5_ITER_CONT; /* Return value */
- hbool_t add_obj = FALSE;
-
- FUNC_ENTER_NOAPI_NOINIT
-
- HDassert(obj_ptr);
- HDassert(olist);
-
- /* Count file IDs */
- if(olist->obj_type == H5I_FILE) {
- if((olist->file_info.local &&
- (!olist->file_info.ptr.file || (olist->file_info.ptr.file && (H5F_t*)obj_ptr == olist->file_info.ptr.file) ))
- || (!olist->file_info.local &&
- ( !olist->file_info.ptr.shared || (olist->file_info.ptr.shared && ((H5F_t*)obj_ptr)->shared == olist->file_info.ptr.shared) ))) {
- add_obj = TRUE;
- }
- } /* end if */
- else { /* either count opened object IDs or put the IDs on the list */
- H5O_loc_t *oloc; /* Group entry info for object */
-
- switch(olist->obj_type) {
- case H5I_ATTR:
- oloc = H5A_oloc((H5A_t *)obj_ptr);
- break;
-
- case H5I_GROUP:
- oloc = H5G_oloc((H5G_t *)obj_ptr);
- break;
-
- case H5I_DATASET:
- oloc = H5D_oloc((H5D_t *)obj_ptr);
- break;
-
- case H5I_DATATYPE:
- if(H5T_is_named((H5T_t*)obj_ptr)==TRUE)
- oloc = H5T_oloc((H5T_t*)obj_ptr);
- else
- oloc = NULL;
- break;
-
- case H5I_UNINIT:
- case H5I_BADID:
- case H5I_FILE:
- case H5I_DATASPACE:
- case H5I_REFERENCE:
- case H5I_VFL:
- case H5I_GENPROP_CLS:
- case H5I_GENPROP_LST:
- case H5I_ERROR_CLASS:
- case H5I_ERROR_MSG:
- case H5I_ERROR_STACK:
- case H5I_NTYPES:
- default:
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5_ITER_ERROR, "unknown data object")
- } /* end switch */
-
- if((olist->file_info.local &&
- ( (!olist->file_info.ptr.file && olist->obj_type == H5I_DATATYPE && H5T_is_immutable((H5T_t *)obj_ptr) == FALSE)
- || (!olist->file_info.ptr.file && olist->obj_type != H5I_DATATYPE)
- || (oloc && oloc->file == olist->file_info.ptr.file)))
- || (!olist->file_info.local &&
- ((!olist->file_info.ptr.shared && olist->obj_type == H5I_DATATYPE && H5T_is_immutable((H5T_t *)obj_ptr) == FALSE)
- || (!olist->file_info.ptr.shared && olist->obj_type != H5I_DATATYPE)
- || (oloc && oloc->file && oloc->file->shared == olist->file_info.ptr.shared)))) {
- add_obj = TRUE;
- } /* end if */
- } /* end else */
-
- if(TRUE==add_obj) {
- /* Add the object's ID to the ID list, if appropriate */
- if(olist->obj_id_list) {
- olist->obj_id_list[olist->list_index] = obj_id;
- olist->list_index++;
- } /* end if */
-
- /* Increment the number of open objects */
- if(olist->obj_id_count)
- (*olist->obj_id_count)++;
-
- /* Check if we've filled up the array. Return H5_ITER_STOP only if
- * we have filled up the array. Otherwise return H5_ITER_CONT(RET_VALUE is
- * preset to H5_ITER_CONT) because H5I_iterate needs the return value of
- * H5_ITER_CONT to continue the iteration. */
- if(olist->max_nobjs>0 && olist->list_index>=olist->max_nobjs)
- HGOTO_DONE(H5_ITER_STOP) /* Indicate that the iterator should stop */
- }
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_get_objects_cb() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5Fget_vfd_handle
*
* Purpose: Returns a pointer to the file handle of the low-level file
@@ -845,8 +420,6 @@ done:
htri_t
H5Fis_hdf5(const char *name)
{
- H5FD_t *file = NULL; /* Low-level file struct */
- haddr_t sig_addr; /* Address of hdf5 file signature */
htri_t ret_value; /* Return value */
FUNC_ENTER_API(FAIL)
@@ -856,592 +429,17 @@ H5Fis_hdf5(const char *name)
if(!name || !*name)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "no file name specified")
- /* Open the file at the virtual file layer */
- if(NULL == (file = H5FD_open(name, H5F_ACC_RDONLY, H5P_FILE_ACCESS_DEFAULT, HADDR_UNDEF)))
- HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "unable to open file")
-
- /* The file is an hdf5 file if the hdf5 file signature can be found */
- if(H5FD_locate_signature(file, H5AC_ind_dxpl_g, &sig_addr) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to locate file signature")
- ret_value = (HADDR_UNDEF != sig_addr);
+ /* call the private is_HDF5 function */
+ if((ret_value = H5F_is_hdf5(name)) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable open file")
done:
- /* Close the file */
- if(file)
- if(H5FD_close(file) < 0 && ret_value >= 0)
- HDONE_ERROR(H5E_IO, H5E_CANTCLOSEFILE, FAIL, "unable to close file")
FUNC_LEAVE_API(ret_value)
} /* end H5Fis_hdf5() */
/*-------------------------------------------------------------------------
- * Function: H5F_new
- *
- * Purpose: Creates a new file object and initializes it. The
- * H5Fopen and H5Fcreate functions then fill in various
- * fields. If SHARED is a non-null pointer then the shared info
- * to which it points has the reference count incremented.
- * Otherwise a new, empty shared info struct is created and
- * initialized with the specified file access property list.
- *
- * Errors:
- *
- * Return: Success: Ptr to a new file struct.
- *
- * Failure: NULL
- *
- * Programmer: Robb Matzke
- * matzke@llnl.gov
- * Jul 18 1997
- *
- *-------------------------------------------------------------------------
- */
-static H5F_t *
-H5F_new(H5F_file_t *shared, unsigned flags, hid_t fcpl_id, hid_t fapl_id, H5FD_t *lf)
-{
- H5F_t *f = NULL, *ret_value;
-
- FUNC_ENTER_NOAPI_NOINIT
-
- if(NULL == (f = H5FL_CALLOC(H5F_t)))
- HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, NULL, "can't allocate top file structure")
- f->file_id = -1;
-
- if(shared) {
- HDassert(lf == NULL);
- f->shared = shared;
- } /* end if */
- else {
- H5P_genplist_t *plist; /* Property list */
- unsigned efc_size; /* External file cache size */
- size_t u; /* Local index variable */
-
- HDassert(lf != NULL);
- if(NULL == (f->shared = H5FL_CALLOC(H5F_file_t)))
- HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, NULL, "can't allocate shared file structure")
-
- f->shared->flags = flags;
- f->shared->sohm_addr = HADDR_UNDEF;
- f->shared->sohm_vers = HDF5_SHAREDHEADER_VERSION;
- for(u = 0; u < NELMTS(f->shared->fs_addr); u++)
- f->shared->fs_addr[u] = HADDR_UNDEF;
- f->shared->accum.loc = HADDR_UNDEF;
- f->shared->lf = lf;
-
- /*
- * Copy the file creation and file access property lists into the
- * new file handle. We do this early because some values might need
- * to change as the file is being opened.
- */
- if(NULL == (plist = (H5P_genplist_t *)H5I_object(fcpl_id)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not property list")
- f->shared->fcpl_id = H5P_copy_plist(plist, FALSE);
-
- /* Get the FCPL values to cache */
- if(H5P_get(plist, H5F_CRT_ADDR_BYTE_NUM_NAME, &f->shared->sizeof_addr) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get byte number for address")
- if(H5P_get(plist, H5F_CRT_OBJ_BYTE_NUM_NAME, &f->shared->sizeof_size) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get byte number for object size")
- if(H5P_get(plist, H5F_CRT_SHMSG_NINDEXES_NAME, &f->shared->sohm_nindexes) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get number of SOHM indexes")
- HDassert(f->shared->sohm_nindexes < 255);
-
- /* Get the FAPL values to cache */
- if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not file access property list")
- if(H5P_get(plist, H5F_ACS_META_CACHE_INIT_CONFIG_NAME, &(f->shared->mdc_initCacheCfg)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get initial metadata cache resize config")
- if(H5P_get(plist, H5F_ACS_DATA_CACHE_NUM_SLOTS_NAME, &(f->shared->rdcc_nslots)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get data cache number of slots")
- if(H5P_get(plist, H5F_ACS_DATA_CACHE_BYTE_SIZE_NAME, &(f->shared->rdcc_nbytes)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get data cache byte size")
- if(H5P_get(plist, H5F_ACS_PREEMPT_READ_CHUNKS_NAME, &(f->shared->rdcc_w0)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get preempt read chunk")
- if(H5P_get(plist, H5F_ACS_ALIGN_THRHD_NAME, &(f->shared->threshold)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get alignment threshold")
- if(H5P_get(plist, H5F_ACS_ALIGN_NAME, &(f->shared->alignment)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get alignment")
- if(H5P_get(plist, H5F_ACS_GARBG_COLCT_REF_NAME,&(f->shared->gc_ref)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get garbage collect reference")
- if(H5P_get(plist, H5F_ACS_SIEVE_BUF_SIZE_NAME, &(f->shared->sieve_buf_size)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get sieve buffer size")
- if(H5P_get(plist, H5F_ACS_LATEST_FORMAT_NAME, &(f->shared->latest_format)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get 'latest format' flag")
- if(H5P_get(plist, H5F_ACS_META_BLOCK_SIZE_NAME, &(f->shared->meta_aggr.alloc_size)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get metadata cache size")
- f->shared->meta_aggr.feature_flag = H5FD_FEAT_AGGREGATE_METADATA;
- if(H5P_get(plist, H5F_ACS_SDATA_BLOCK_SIZE_NAME, &(f->shared->sdata_aggr.alloc_size)) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get 'small data' cache size")
- f->shared->sdata_aggr.feature_flag = H5FD_FEAT_AGGREGATE_SMALLDATA;
- if(H5P_get(plist, H5F_ACS_EFC_SIZE_NAME, &efc_size) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get elink file cache size")
- if(efc_size > 0)
- if(NULL == (f->shared->efc = H5F_efc_create(efc_size)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "can't create external file cache")
-
- /* Get the VFD values to cache */
- f->shared->maxaddr = H5FD_get_maxaddr(lf);
- if(!H5F_addr_defined(f->shared->maxaddr))
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad maximum address from VFD")
- if(H5FD_get_feature_flags(lf, &f->shared->feature_flags) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, NULL, "can't get feature flags from VFD")
- if(H5FD_get_fs_type_map(lf, f->shared->fs_type_map) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, NULL, "can't get free space type mapping from VFD")
- if(H5MF_init_merge_flags(f) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "problem initializing free space merge flags")
- f->shared->tmp_addr = f->shared->maxaddr;
- /* Disable temp. space allocation for parallel I/O (for now) */
- /* (When we've arranged to have the relocated metadata addresses (and
- * sizes) broadcast during the "end of epoch" metadata operations,
- * this can be enabled - QAK)
- */
- /* (This should be disabled when the metadata journaling branch is
- * merged into the trunk and journaling is enabled, at least until
- * we make it work. - QAK)
- */
- f->shared->use_tmp_space = !(IS_H5FD_MPI(f));
-
- /*
- * Create a metadata cache with the specified number of elements.
- * The cache might be created with a different number of elements and
- * the access property list should be updated to reflect that.
- */
- if(H5AC_create(f, &(f->shared->mdc_initCacheCfg)) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to create metadata cache")
-
- /* Create the file's "open object" information */
- if(H5FO_create(f) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to create open object data structure")
-
- /* Add new "shared" struct to list of open files */
- if(H5F_sfile_add(f->shared) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to append to list of open files")
- } /* end else */
-
- f->shared->nrefs++;
-
- /* Create the file's "top open object" information */
- if(H5FO_top_create(f) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to create open object data structure")
-
- /* Set return value */
- ret_value = f;
-
-done:
- if(!ret_value && f) {
- if(!shared) {
- /* Attempt to clean up some of the shared file structures */
- if(f->shared->efc)
- if(H5F_efc_destroy(f->shared->efc) < 0)
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, NULL, "can't destroy external file cache")
- if(f->shared->fcpl_id > 0)
- if(H5I_dec_ref(f->shared->fcpl_id) < 0)
- HDONE_ERROR(H5E_FILE, H5E_CANTDEC, NULL, "can't close property list")
-
- f->shared = H5FL_FREE(H5F_file_t, f->shared);
- } /* end if */
- f = H5FL_FREE(H5F_t, f);
- } /* end if */
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_new() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_dest
- *
- * Purpose: Destroys a file structure. This function flushes the cache
- * but doesn't do any other cleanup other than freeing memory
- * for the file struct. The shared info for the file is freed
- * only when its reference count reaches zero.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Robb Matzke
- * matzke@llnl.gov
- * Jul 18 1997
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5F_dest(H5F_t *f, hid_t dxpl_id, hbool_t flush)
-{
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
-
- if(1 == f->shared->nrefs) {
- H5F_io_info_t fio_info; /* I/O info for operation */
-
- /* Flush at this point since the file will be closed.
- * Only try to flush the file if it was opened with write access, and if
- * the caller requested a flush.
- */
- if((f->shared->flags & H5F_ACC_RDWR) && flush)
- if(H5F_flush(f, dxpl_id, TRUE) < 0)
- HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache")
-
- /* Release the external file cache */
- if(f->shared->efc) {
- if(H5F_efc_destroy(f->shared->efc) < 0)
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't destroy external file cache")
- f->shared->efc = NULL;
- } /* end if */
-
- /* Release objects that depend on the superblock being initialized */
- if(f->shared->sblock) {
- /* Shutdown file free space manager(s) */
- /* (We should release the free space information now (before truncating
- * the file and before the metadata cache is shut down) since the
- * free space manager is holding some data structures in memory
- * and also because releasing free space can shrink the file's
- * 'eoa' value)
- */
- if(H5MF_close(f, dxpl_id) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release file free space info")
-
- /* Unpin the superblock, since we're about to destroy the cache */
- if(H5AC_unpin_entry(f->shared->sblock) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FSPACE, H5E_CANTUNPIN, FAIL, "unable to unpin superblock")
- f->shared->sblock = NULL;
- } /* end if */
-
- /* Remove shared file struct from list of open files */
- if(H5F_sfile_remove(f->shared) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "problems closing file")
-
- /* Shutdown the metadata cache */
- if(H5AC_dest(f, dxpl_id))
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "problems closing file")
-
- /*
- * Do not close the root group since we didn't count it, but free
- * the memory associated with it.
- */
- if(f->shared->root_grp) {
- /* Free the root group */
- if(H5G_root_free(f->shared->root_grp) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "problems closing file")
- f->shared->root_grp = NULL;
- } /* end if */
-
- /* Set up I/O info for operation */
- fio_info.f = f;
- if(NULL == (fio_info.dxpl = (H5P_genplist_t *)H5I_object(dxpl_id)))
- HDONE_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list")
-
- /* Destroy other components of the file */
- if(H5F__accum_reset(&fio_info, TRUE) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "problems closing file")
- if(H5FO_dest(f) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "problems closing file")
- f->shared->cwfs = (struct H5HG_heap_t **)H5MM_xfree(f->shared->cwfs);
- if(H5G_node_close(f) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "problems closing file")
-
- /* Destroy file creation properties */
- if(H5I_GENPROP_LST != H5I_get_type(f->shared->fcpl_id))
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_BADTYPE, FAIL, "not a property list")
- if(H5I_dec_ref(f->shared->fcpl_id) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "can't close property list")
-
- /* Only truncate the file on an orderly close, with write-access */
- if(f->closing && (H5F_ACC_RDWR & H5F_INTENT(f))) {
- /* Truncate the file to the current allocated size */
- if(H5FD_truncate(f->shared->lf, dxpl_id, (unsigned)TRUE) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "low level truncate failed")
- } /* end if */
-
- /* Close the file */
- if(H5FD_close(f->shared->lf) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "unable to close file")
-
- /* Free mount table */
- f->shared->mtab.child = (H5F_mount_t *)H5MM_xfree(f->shared->mtab.child);
- f->shared->mtab.nalloc = 0;
-
- /* Destroy shared file struct */
- f->shared = (H5F_file_t *)H5FL_FREE(H5F_file_t, f->shared);
-
- } else if(f->shared->nrefs > 0) {
- /*
- * There are other references to the shared part of the file.
- * Only decrement the reference count.
- */
- --f->shared->nrefs;
- }
-
- /* Free the non-shared part of the file */
- f->open_name = (char *)H5MM_xfree(f->open_name);
- f->actual_name = (char *)H5MM_xfree(f->actual_name);
- f->extpath = (char *)H5MM_xfree(f->extpath);
- if(H5FO_top_dest(f) < 0)
- HDONE_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "problems closing file")
- f->shared = NULL;
- f = H5FL_FREE(H5F_t, f);
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_dest() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_open
- *
- * Purpose: Opens (or creates) a file. This function understands the
- * following flags which are similar in nature to the Posix
- * open(2) flags.
- *
- * H5F_ACC_RDWR: Open with read/write access. If the file is
- * currently open for read-only access then it
- * will be reopened. Absence of this flag
- * implies read-only access.
- *
- * H5F_ACC_CREAT: Create a new file if it doesn't exist yet.
- * The permissions are 0666 bit-wise AND with
- * the current umask. H5F_ACC_WRITE must also
- * be specified.
- *
- * H5F_ACC_EXCL: This flag causes H5F_open() to fail if the
- * file already exists.
- *
- * H5F_ACC_TRUNC: The file is truncated and a new HDF5 superblock
- * is written. This operation will fail if the
- * file is already open.
- *
- * Unlinking the file name from the group directed graph while
- * the file is opened causes the file to continue to exist but
- * one will not be able to upgrade the file from read-only
- * access to read-write access by reopening it. Disk resources
- * for the file are released when all handles to the file are
- * closed. NOTE: This paragraph probably only applies to Unix;
- * deleting the file name in other OS's has undefined results.
- *
- * The CREATE_PARMS argument is optional. A null pointer will
- * cause the default file creation parameters to be used.
- *
- * The ACCESS_PARMS argument is optional. A null pointer will
- * cause the default file access parameters to be used.
- *
- * Return: Success: A new file pointer.
- * Failure: NULL
- *
- * Programmer: Robb Matzke
- * Tuesday, September 23, 1997
- *
- *-------------------------------------------------------------------------
- */
-H5F_t *
-H5F_open(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id,
- hid_t dxpl_id)
-{
- H5F_t *file = NULL; /*the success return value */
- H5F_file_t *shared = NULL; /*shared part of `file' */
- H5FD_t *lf = NULL; /*file driver part of `shared' */
- unsigned tent_flags; /*tentative flags */
- H5FD_class_t *drvr; /*file driver class info */
- H5P_genplist_t *a_plist; /*file access property list */
- H5F_close_degree_t fc_degree; /*file close degree */
- H5F_t *ret_value; /*actual return value */
-
- FUNC_ENTER_NOAPI(NULL)
-
- /*
- * If the driver has a `cmp' method then the driver is capable of
- * determining when two file handles refer to the same file and the
- * library can insure that when the application opens a file twice
- * that the two handles coordinate their operations appropriately.
- * Otherwise it is the application's responsibility to never open the
- * same file more than once at a time.
- */
- if(NULL == (drvr = H5FD_get_class(fapl_id)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, NULL, "unable to retrieve VFL class")
-
- /*
- * Opening a file is a two step process. First we try to open the
- * file in a way which doesn't affect its state (like not truncating
- * or creating it) so we can compare it with files that are already
- * open. If that fails then we try again with the full set of flags
- * (only if they're different than the original failed attempt).
- * However, if the file driver can't distinquish between files then
- * there's no reason to open the file tentatively because it's the
- * application's responsibility to prevent this situation (there's no
- * way for us to detect it here anyway).
- */
- if(drvr->cmp)
- tent_flags = flags & ~(H5F_ACC_CREAT|H5F_ACC_TRUNC|H5F_ACC_EXCL);
- else
- tent_flags = flags;
-
- if(NULL == (lf = H5FD_open(name, tent_flags, fapl_id, HADDR_UNDEF))) {
- if(tent_flags == flags) {
-#ifndef H5_USING_MEMCHECKER
- time_t mytime = HDtime(NULL);
-
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file: time = %s, name = '%s', tent_flags = %x", HDctime(&mytime), name, tent_flags)
-#else /* H5_USING_MEMCHECKER */
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file: name = '%s', tent_flags = %x", name, tent_flags)
-#endif /* H5_USING_MEMCHECKER */
- } /* end if */
- H5E_clear_stack(NULL);
- tent_flags = flags;
- if(NULL == (lf = H5FD_open(name, tent_flags, fapl_id, HADDR_UNDEF))) {
-#ifndef H5_USING_MEMCHECKER
- time_t mytime = HDtime(NULL);
-
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file: time = %s, name = '%s', tent_flags = %x", HDctime(&mytime), name, tent_flags)
-#else /* H5_USING_MEMCHECKER */
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file: name = '%s', tent_flags = %x", name, tent_flags)
-#endif /* H5_USING_MEMCHECKER */
- } /* end if */
- } /* end if */
-
- /* Is the file already open? */
- if((shared = H5F_sfile_search(lf)) != NULL) {
- /*
- * The file is already open, so use that one instead of the one we
- * just opened. We only one one H5FD_t* per file so one doesn't
- * confuse the other. But fail if this request was to truncate the
- * file (since we can't do that while the file is open), or if the
- * request was to create a non-existent file (since the file already
- * exists), or if the new request adds write access (since the
- * readers don't expect the file to change under them).
- */
- if(H5FD_close(lf) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to close low-level file info")
- if(flags & H5F_ACC_TRUNC)
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to truncate a file which is already open")
- if(flags & H5F_ACC_EXCL)
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "file exists")
- if((flags & H5F_ACC_RDWR) && 0 == (shared->flags & H5F_ACC_RDWR))
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "file is already open for read-only")
-
- /* Allocate new "high-level" file struct */
- if((file = H5F_new(shared, flags, fcpl_id, fapl_id, NULL)) == NULL)
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to create new file object")
- } /* end if */
- else {
- /* Check if tentative open was good enough */
- if(flags != tent_flags) {
- /*
- * This file is not yet open by the library and the flags we used to
- * open it are different than the desired flags. Close the tentative
- * file and open it for real.
- */
- if(H5FD_close(lf) < 0) {
- file = NULL; /*to prevent destruction of wrong file*/
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to close low-level file info")
- } /* end if */
- if(NULL == (lf = H5FD_open(name, flags, fapl_id, HADDR_UNDEF))) {
- file = NULL; /*to prevent destruction of wrong file*/
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file")
- } /* end if */
- } /* end if */
-
- if(NULL == (file = H5F_new(NULL, flags, fcpl_id, fapl_id, lf)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to create new file object")
- } /* end else */
-
- /* Retain the name the file was opened with */
- file->open_name = H5MM_xstrdup(name);
-
- /* Short cuts */
- shared = file->shared;
- lf = shared->lf;
-
- /*
- * Read or write the file superblock, depending on whether the file is
- * empty or not.
- */
- if(0 == H5FD_get_eof(lf) && (flags & H5F_ACC_RDWR)) {
- /*
- * We've just opened a fresh new file (or truncated one). We need
- * to create & write the superblock.
- */
-
- /* Initialize information about the superblock and allocate space for it */
- /* (Writes superblock extension messages, if there are any) */
- if(H5F_super_init(file, dxpl_id) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to allocate file superblock")
-
- /* Create and open the root group */
- /* (This must be after the space for the superblock is allocated in
- * the file, since the superblock must be at offset 0)
- */
- if(H5G_mkroot(file, dxpl_id, TRUE) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to create/open root group")
- } else if (1 == shared->nrefs) {
- /* Read the superblock if it hasn't been read before. */
- if(H5F_super_read(file, dxpl_id) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_READERROR, NULL, "unable to read superblock")
-
- /* Open the root group */
- if(H5G_mkroot(file, dxpl_id, FALSE) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to read root group")
- } /* end if */
-
- /* Get the file access property list, for future queries */
- if(NULL == (a_plist = (H5P_genplist_t *)H5I_object(fapl_id)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not file access property list")
-
- /*
- * Decide the file close degree. If it's the first time to open the
- * file, set the degree to access property list value; if it's the
- * second time or later, verify the access property list value matches
- * the degree in shared file structure.
- */
- if(H5P_get(a_plist, H5F_ACS_CLOSE_DEGREE_NAME, &fc_degree) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get file close degree")
-
- if(shared->nrefs == 1) {
- if(fc_degree == H5F_CLOSE_DEFAULT)
- shared->fc_degree = lf->cls->fc_degree;
- else
- shared->fc_degree = fc_degree;
- } else if(shared->nrefs > 1) {
- if(fc_degree == H5F_CLOSE_DEFAULT && shared->fc_degree != lf->cls->fc_degree)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "file close degree doesn't match")
- if(fc_degree != H5F_CLOSE_DEFAULT && fc_degree != shared->fc_degree)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "file close degree doesn't match")
- } /* end if */
-
- /* Formulate the absolute path for later search of target file for external links */
- if(H5_build_extpath(name, &file->extpath) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to build extpath")
-
- /* Formulate the actual file name, after following symlinks, etc. */
- if(H5F_build_actual_name(file, a_plist, name, &file->actual_name) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, NULL, "unable to build actual name")
-
- /* Success */
- ret_value = file;
-
-done:
- if(!ret_value && file)
- if(H5F_dest(file, dxpl_id, FALSE) < 0)
- HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file")
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_open() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5Fcreate
*
* Purpose: This is the primary function for creating HDF5 files . The
@@ -1736,297 +734,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5F_flush
- *
- * Purpose: Flushes cached data.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Robb Matzke
- * matzke@llnl.gov
- * Aug 29 1997
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_flush(H5F_t *f, hid_t dxpl_id, hbool_t closing)
-{
- H5F_io_info_t fio_info; /* I/O info for operation */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI(FAIL)
-
- /* Sanity check arguments */
- HDassert(f);
-
- /* Flush any cached dataset storage raw data */
- if(H5D_flush(f, dxpl_id) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush dataset cache")
-
- /* Release any space allocated to space aggregators, so that the eoa value
- * corresponds to the end of the space written to in the file.
- */
- /* (needs to happen before cache flush, with superblock write, since the
- * 'eoa' value is written in superblock -QAK)
- */
- if(H5MF_free_aggrs(f, dxpl_id) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release file space")
-
- /* Flush the entire metadata cache */
- if(H5AC_flush(f, dxpl_id) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush metadata cache")
-
- /* Set up I/O info for operation */
- fio_info.f = f;
- if(NULL == (fio_info.dxpl = (H5P_genplist_t *)H5I_object(dxpl_id)))
- HDONE_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list")
-
- /* Flush out the metadata accumulator */
- if(H5F__accum_flush(&fio_info) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_IO, H5E_CANTFLUSH, FAIL, "unable to flush metadata accumulator")
-
- /* Flush file buffers to disk. */
- if(H5FD_flush(f->shared->lf, dxpl_id, closing) < 0)
- /* Push error, but keep going*/
- HDONE_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "low level flush failed")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_flush() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_close
- *
- * Purpose: Closes a file or causes the close operation to be pended.
- * This function is called two ways: from the API it gets called
- * by H5Fclose->H5I_dec_ref->H5F_close when H5I_dec_ref()
- * decrements the file ID reference count to zero. The file ID
- * is removed from the H5I_FILE group by H5I_dec_ref() just
- * before H5F_close() is called. If there are open object
- * headers then the close is pended by moving the file to the
- * H5I_FILE_CLOSING ID group (the f->closing contains the ID
- * assigned to file).
- *
- * This function is also called directly from H5O_close() when
- * the last object header is closed for the file and the file
- * has a pending close.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Robb Matzke
- * Tuesday, September 23, 1997
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5F_close(H5F_t *f)
-{
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->file_id > 0); /* This routine should only be called when a file ID's ref count drops to zero */
-
- /* Perform checks for "semi" file close degree here, since closing the
- * file is not allowed if there are objects still open */
- if(f->shared->fc_degree == H5F_CLOSE_SEMI) {
- unsigned nopen_files = 0; /* Number of open files in file/mount hierarchy */
- unsigned nopen_objs = 0; /* Number of open objects in file/mount hierarchy */
-
- /* Get the number of open objects and open files on this file/mount hierarchy */
- if(H5F_mount_count_ids(f, &nopen_files, &nopen_objs) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_MOUNT, FAIL, "problem checking mount hierarchy")
-
- /* If there are no other file IDs open on this file/mount hier., but
- * there are still open objects, issue an error and bail out now,
- * without decrementing the file ID's reference count and triggering
- * a "real" attempt at closing the file */
- if(nopen_files == 1 && nopen_objs > 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "can't close file, there are objects still open")
- } /* end if */
-
- /* Reset the file ID for this file */
- f->file_id = -1;
-
- /* Attempt to close the file/mount hierarchy */
- if(H5F_try_close(f) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "can't close file")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_close() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_try_close
- *
- * Purpose: Attempts to close a file due to one of several actions:
- * - The reference count on the file ID dropped to zero
- * - The last open object was closed in the file
- * - The file was unmounted
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * Tuesday, July 19, 2005
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_try_close(H5F_t *f)
-{
- unsigned nopen_files = 0; /* Number of open files in file/mount hierarchy */
- unsigned nopen_objs = 0; /* Number of open objects in file/mount hierarchy */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
-
- /* Check if this file is already in the process of closing */
- if(f->closing)
- HGOTO_DONE(SUCCEED)
-
- /* Get the number of open objects and open files on this file/mount hierarchy */
- if(H5F_mount_count_ids(f, &nopen_files, &nopen_objs) < 0)
- HGOTO_ERROR(H5E_SYM, H5E_MOUNT, FAIL, "problem checking mount hierarchy")
-
- /*
- * Close file according to close degree:
- *
- * H5F_CLOSE_WEAK: if there are still objects open, wait until
- * they are all closed.
- * H5F_CLOSE_SEMI: if there are still objects open, return fail;
- * otherwise, close file.
- * H5F_CLOSE_STRONG: if there are still objects open, close them
- * first, then close file.
- */
- switch(f->shared->fc_degree) {
- case H5F_CLOSE_WEAK:
- /*
- * If file or object IDS are still open then delay deletion of
- * resources until they have all been closed. Flush all
- * caches and update the object header anyway so that failing to
- * close all objects isn't a major problem.
- */
- if((nopen_files + nopen_objs) > 0)
- HGOTO_DONE(SUCCEED)
- break;
-
- case H5F_CLOSE_SEMI:
- /* Can leave safely if file IDs are still open on this file */
- if(nopen_files > 0)
- HGOTO_DONE(SUCCEED)
-
- /* Sanity check: If close degree if "semi" and we have gotten this
- * far and there are objects left open, bail out now */
- HDassert(nopen_files == 0 && nopen_objs == 0);
-
- /* If we've gotten this far (ie. there are no open objects in the file), fall through to flush & close */
- break;
-
- case H5F_CLOSE_STRONG:
- /* If there are other open files in the hierarchy, we can leave now */
- if(nopen_files > 0)
- HGOTO_DONE(SUCCEED)
-
- /* If we've gotten this far (ie. there are no open file IDs in the file/mount hierarchy), fall through to flush & close */
- break;
-
- case H5F_CLOSE_DEFAULT:
- default:
- HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "can't close file, unknown file close degree")
- } /* end switch */
-
- /* Mark this file as closing (prevents re-entering file shutdown code below) */
- f->closing = TRUE;
-
- /* If the file close degree is "strong", close all the open objects in this file */
- if(f->shared->fc_degree == H5F_CLOSE_STRONG) {
- HDassert(nopen_files == 0);
-
- /* Forced close of all opened objects in this file */
- if(f->nopen_objs > 0) {
- size_t obj_count; /* # of open objects */
- hid_t objs[128]; /* Array of objects to close */
- herr_t result; /* Local result from obj ID query */
- size_t u; /* Local index variable */
-
- /* Get the list of IDs of open dataset, group, & attribute objects */
- while((result = H5F_get_obj_ids(f, H5F_OBJ_LOCAL | H5F_OBJ_DATASET | H5F_OBJ_GROUP | H5F_OBJ_ATTR, (int)(sizeof(objs) / sizeof(objs[0])), objs, FALSE, &obj_count)) <= 0
- && obj_count != 0 ) {
-
- /* Try to close all the open objects in this file */
- for(u = 0; u < obj_count; u++)
- if(H5I_dec_ref(objs[u]) < 0)
- HGOTO_ERROR(H5E_ATOM, H5E_CLOSEERROR, FAIL, "can't close object")
- } /* end while */
- if(result < 0)
- HGOTO_ERROR(H5E_INTERNAL, H5E_BADITER, FAIL, "H5F_get_obj_ids failed(1)")
-
- /* Get the list of IDs of open named datatype objects */
- /* (Do this separately from the dataset & attribute IDs, because
- * they could be using one of the named datatypes and then the
- * open named datatype ID will get closed twice)
- */
- while((result = H5F_get_obj_ids(f, H5F_OBJ_LOCAL | H5F_OBJ_DATATYPE, (int)(sizeof(objs) / sizeof(objs[0])), objs, FALSE, &obj_count)) <= 0
- && obj_count != 0) {
-
- /* Try to close all the open objects in this file */
- for(u = 0; u < obj_count; u++)
- if(H5I_dec_ref(objs[u]) < 0)
- HGOTO_ERROR(H5E_ATOM, H5E_CLOSEERROR, FAIL, "can't close object")
- } /* end while */
- if(result < 0)
- HGOTO_ERROR(H5E_INTERNAL, H5E_BADITER, FAIL, "H5F_get_obj_ids failed(2)")
- } /* end if */
- } /* end if */
-
- /* Check if this is a child file in a mounting hierarchy & proceed up the
- * hierarchy if so.
- */
- if(f->parent)
- if(H5F_try_close(f->parent) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "can't close parent file")
-
- /* Unmount and close each child before closing the current file. */
- if(H5F_close_mounts(f) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "can't unmount child files")
-
- /* If there is more than one reference to the shared file struct and the
- * file has an external file cache, we should see if it can be closed. This
- * can happen if a cycle is formed with external file caches */
- if(f->shared->efc && (f->shared->nrefs > 1))
- if(H5F_efc_try_close(f) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't attempt to close EFC")
-
- /* Delay flush until the shared file struct is closed, in H5F_dest. If the
- * application called H5Fclose, it would have been flushed in that function
- * (unless it will have been flushed in H5F_dest anyways). */
-
- /*
- * Destroy the H5F_t struct and decrement the reference count for the
- * shared H5F_file_t struct. If the reference count for the H5F_file_t
- * struct reaches zero then destroy it also.
- */
- if(H5F_dest(f, H5AC_dxpl_id, TRUE) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "problems closing file")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_try_close() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5Fclose
*
* Purpose: This function closes the file specified by FILE_ID by
@@ -2191,382 +898,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5F_get_id
- *
- * Purpose: Get the file ID, incrementing it, or "resurrecting" it as
- * appropriate.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Raymond Lu
- * Oct 29, 2003
- *
- *-------------------------------------------------------------------------
- */
-hid_t
-H5F_get_id(H5F_t *file, hbool_t app_ref)
-{
- hid_t ret_value;
-
- FUNC_ENTER_NOAPI_NOINIT
-
- HDassert(file);
-
- if(file->file_id == -1) {
- /* Get an atom for the file */
- if((file->file_id = H5I_register(H5I_FILE, file, app_ref)) < 0)
- HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize file")
- } else {
- /* Increment reference count on atom. */
- if(H5I_inc_ref(file->file_id, app_ref) < 0)
- HGOTO_ERROR(H5E_ATOM, H5E_CANTSET, FAIL, "incrementing file ID failed")
- } /* end else */
-
- ret_value = file->file_id;
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5F_get_id() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_incr_nopen_objs
- *
- * Purpose: Increment the number of open objects for a file.
- *
- * Return: Success: The number of open objects, after the increment
- *
- * Failure: (can't happen)
- *
- * Programmer: Quincey Koziol
- * koziol@hdfgroup.org
- * Mar 6 2007
- *
- *-------------------------------------------------------------------------
- */
-unsigned
-H5F_incr_nopen_objs(H5F_t *f)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- HDassert(f);
-
- FUNC_LEAVE_NOAPI(++f->nopen_objs)
-} /* end H5F_incr_nopen_objs() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_decr_nopen_objs
- *
- * Purpose: Decrement the number of open objects for a file.
- *
- * Return: Success: The number of open objects, after the decrement
- *
- * Failure: (can't happen)
- *
- * Programmer: Quincey Koziol
- * koziol@hdfgroup.org
- * Mar 6 2007
- *
- *-------------------------------------------------------------------------
- */
-unsigned
-H5F_decr_nopen_objs(H5F_t *f)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- HDassert(f);
-
- FUNC_LEAVE_NOAPI(--f->nopen_objs)
-} /* end H5F_decr_nopen_objs() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_build_actual_name
- *
- * Purpose: Retrieve the name of a file, after following symlinks, etc.
- *
- * Note: Currently only working for "POSIX I/O compatible" VFDs
- *
- * Return: Success: 0
- * Failure: -1
- *
- * Programmer: Quincey Koziol
- * November 25, 2009
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5F_build_actual_name(const H5F_t *f, const H5P_genplist_t *fapl, const char *name,
- char **actual_name/*out*/)
-{
- hid_t new_fapl_id = -1; /* ID for duplicated FAPL */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT
-
- /* Sanity check */
- HDassert(f);
- HDassert(fapl);
- HDassert(name);
- HDassert(actual_name);
-
- /* Clear actual name pointer to begin with */
- *actual_name = NULL;
-
-/* Assume that if the OS can't create symlinks, that we don't need to worry
- * about resolving them either. -QAK
- */
-#ifdef H5_HAVE_SYMLINK
- /* Check for POSIX I/O compatible file handle */
- if(H5F_HAS_FEATURE(f, H5FD_FEAT_POSIX_COMPAT_HANDLE)) {
- h5_stat_t lst; /* Stat info from lstat() call */
-
- /* Call lstat() on the file's name */
- if(HDlstat(name, &lst) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve stat info for file")
-
- /* Check for symbolic link */
- if(S_IFLNK == (lst.st_mode & S_IFMT)) {
- H5P_genplist_t *new_fapl; /* Duplicated FAPL */
- int *fd; /* POSIX I/O file descriptor */
- h5_stat_t st; /* Stat info from stat() call */
- h5_stat_t fst; /* Stat info from fstat() call */
- char realname[PATH_MAX]; /* Fully resolved path name of file */
- hbool_t want_posix_fd; /* Flag for retrieving file descriptor from VFD */
-
- /* Perform a sanity check that the file or link wasn't switched
- * between when we opened it and when we called lstat(). This is
- * according to the security best practices for lstat() documented
- * here: https://www.securecoding.cert.org/confluence/display/seccode/POS35-C.+Avoid+race+conditions+while+checking+for+the+existence+of+a+symbolic+link
- */
-
- /* Copy the FAPL object to modify */
- if((new_fapl_id = H5P_copy_plist(fapl, FALSE)) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTCOPY, FAIL, "unable to copy file access property list")
- if(NULL == (new_fapl = (H5P_genplist_t *)H5I_object(new_fapl_id)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "can't get property list")
-
- /* Set the character encoding on the new property list */
- want_posix_fd = TRUE;
- if(H5P_set(new_fapl, H5F_ACS_WANT_POSIX_FD_NAME, &want_posix_fd) < 0)
- HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set character encoding")
-
- /* Retrieve the file handle */
- if(H5F_get_vfd_handle(f, new_fapl_id, (void **)&fd) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve POSIX file descriptor")
-
- /* Stat the filename we're resolving */
- if(HDstat(name, &st) < 0)
- HSYS_GOTO_ERROR(H5E_FILE, H5E_BADFILE, FAIL, "unable to stat file")
-
- /* Stat the file we opened */
- if(HDfstat(*fd, &fst) < 0)
- HSYS_GOTO_ERROR(H5E_FILE, H5E_BADFILE, FAIL, "unable to fstat file")
-
- /* Verify that the files are really the same */
- if(st.st_mode != fst.st_mode || st.st_ino != fst.st_ino || st.st_dev != fst.st_dev)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "files' st_ino or st_dev fields changed!")
-
- /* Get the resolved path for the file name */
- if(NULL == HDrealpath(name, realname))
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve real path for file")
-
- /* Duplicate the resolved path for the file name */
- if(NULL == (*actual_name = (char *)H5MM_strdup(realname)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTALLOC, FAIL, "can't duplicate real path")
- } /* end if */
- } /* end if */
-#endif /* H5_HAVE_SYMLINK */
-
- /* Check if we've resolved the file's name */
- if(NULL == *actual_name) {
- /* Just duplicate the name used to open the file */
- if(NULL == (*actual_name = (char *)H5MM_strdup(name)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTALLOC, FAIL, "can't duplicate open name")
- } /* end else */
-
-done:
- /* Close the property list */
- if(new_fapl_id > 0)
- if(H5I_dec_app_ref(new_fapl_id) < 0)
- HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "can't close duplicated FAPL")
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* H5F_build_actual_name() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_addr_encode_len
- *
- * Purpose: Encodes an address into the buffer pointed to by *PP and
- * then increments the pointer to the first byte after the
- * address. An undefined value is stored as all 1's.
- *
- * Return: void
- *
- * Programmer: Robb Matzke
- * Friday, November 7, 1997
- *
- *-------------------------------------------------------------------------
- */
-void
-H5F_addr_encode_len(size_t addr_len, uint8_t **pp/*in,out*/, haddr_t addr)
-{
- unsigned u; /* Local index variable */
-
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- HDassert(addr_len);
- HDassert(pp && *pp);
-
- if(H5F_addr_defined(addr)) {
- for(u = 0; u < addr_len; u++) {
- *(*pp)++ = (uint8_t)(addr & 0xff);
- addr >>= 8;
- } /* end for */
- HDassert("overflow" && 0 == addr);
- } /* end if */
- else {
- for(u = 0; u < addr_len; u++)
- *(*pp)++ = 0xff;
- } /* end else */
-
- FUNC_LEAVE_NOAPI_VOID
-} /* end H5F_addr_encode_len() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_addr_encode
- *
- * Purpose: Encodes an address into the buffer pointed to by *PP and
- * then increments the pointer to the first byte after the
- * address. An undefined value is stored as all 1's.
- *
- * Return: void
- *
- * Programmer: Robb Matzke
- * Friday, November 7, 1997
- *
- *-------------------------------------------------------------------------
- */
-void
-H5F_addr_encode(const H5F_t *f, uint8_t **pp/*in,out*/, haddr_t addr)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- HDassert(f);
-
- H5F_addr_encode_len(H5F_SIZEOF_ADDR(f), pp, addr);
-
- FUNC_LEAVE_NOAPI_VOID
-} /* end H5F_addr_encode() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_addr_decode_len
- *
- * Purpose: Decodes an address from the buffer pointed to by *PP and
- * updates the pointer to point to the next byte after the
- * address.
- *
- * If the value read is all 1's then the address is returned
- * with an undefined value.
- *
- * Return: void
- *
- * Programmer: Robb Matzke
- * Friday, November 7, 1997
- *
- *-------------------------------------------------------------------------
- */
-void
-H5F_addr_decode_len(size_t addr_len, const uint8_t **pp/*in,out*/, haddr_t *addr_p/*out*/)
-{
- hbool_t all_zero = TRUE; /* True if address was all zeroes */
- unsigned u; /* Local index variable */
-
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- HDassert(addr_len);
- HDassert(pp && *pp);
- HDassert(addr_p);
-
- /* Reset value in destination */
- *addr_p = 0;
-
- /* Decode bytes from address */
- for(u = 0; u < addr_len; u++) {
- uint8_t c; /* Local decoded byte */
-
- /* Get decoded byte (and advance pointer) */
- c = *(*pp)++;
-
- /* Check for non-undefined address byte value */
- if(c != 0xff)
- all_zero = FALSE;
-
- if(u < sizeof(*addr_p)) {
- haddr_t tmp = c; /* Local copy of address, for casting */
-
- /* Shift decoded byte to correct position */
- tmp <<= (u * 8); /*use tmp to get casting right */
-
- /* Merge into already decoded bytes */
- *addr_p |= tmp;
- } /* end if */
- else
- if(!all_zero)
- HDassert(0 == **pp); /*overflow */
- } /* end for */
-
- /* If 'all_zero' is still TRUE, the address was entirely composed of '0xff'
- * bytes, which is the encoded form of 'HADDR_UNDEF', so set the destination
- * to that value */
- if(all_zero)
- *addr_p = HADDR_UNDEF;
-
- FUNC_LEAVE_NOAPI_VOID
-} /* end H5F_addr_decode_len() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_addr_decode
- *
- * Purpose: Decodes an address from the buffer pointed to by *PP and
- * updates the pointer to point to the next byte after the
- * address.
- *
- * If the value read is all 1's then the address is returned
- * with an undefined value.
- *
- * Return: void
- *
- * Programmer: Robb Matzke
- * Friday, November 7, 1997
- *
- *-------------------------------------------------------------------------
- */
-void
-H5F_addr_decode(const H5F_t *f, const uint8_t **pp/*in,out*/, haddr_t *addr_p/*out*/)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- HDassert(f);
-
- H5F_addr_decode_len(H5F_SIZEOF_ADDR(f), pp, addr_p);
-
- FUNC_LEAVE_NOAPI_VOID
-} /* end H5F_addr_decode() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5Fget_freespace
*
* Purpose: Retrieves the amount of free space in the file.
@@ -2694,8 +1025,6 @@ ssize_t
H5Fget_file_image(hid_t file_id, void *buf_ptr, size_t buf_len)
{
H5F_t *file; /* File object for file ID */
- H5FD_t *fd_ptr; /* file driver */
- haddr_t eoa; /* End of file address */
ssize_t ret_value; /* Return value */
FUNC_ENTER_API(FAIL)
@@ -2704,79 +1033,11 @@ H5Fget_file_image(hid_t file_id, void *buf_ptr, size_t buf_len)
/* Check args */
if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID")
- if(!file || !file->shared || !file->shared->lf)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "file_id yields invalid file pointer")
- fd_ptr = file->shared->lf;
- if(!fd_ptr->cls)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "fd_ptr yields invalid class pointer")
-
- /* the address space used by the split and multi file drivers is not
- * a good fit for this call. Since the plan is to depreciate these
- * drivers anyway, don't bother to do a "force fit".
- *
- * The following clause tests for the multi file driver, and fails
- * if the supplied file has the multi file driver as its top level
- * file driver. However, this test will not work if there is some
- * other file driver sitting on top of the multi file driver.
- *
- * I'm not sure if this is possible at present, but in all likelyhood,
- * it will become possible in the future. On the other hand, we may
- * remove the split/multi file drivers before then.
- *
- * I am leaving this solution in for now, but we should review it,
- * and improve the solution if necessary.
- *
- * JRM -- 11/11/22
- */
- if(HDstrcmp(fd_ptr->cls->name, "multi") == 0)
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Not supported for multi file driver.")
-
- /* While the family file driver is conceptually fully compatible
- * with the get file image operation, it sets a file driver message
- * in the super block that prevents the image being opened with any
- * driver other than the family file driver. Needless to say, this
- * rather defeats the purpose of the get file image operation.
- *
- * While this problem is quire solvable, the required time and
- * resources are lacking at present. Hence, for now, we don't
- * allow the get file image operation to be perfomed on files
- * opened with the family file driver.
- *
- * Observe that the following test only looks at the top level
- * driver, and fails if there is some other driver sitting on to
- * of the family file driver.
- *
- * I don't think this can happen at present, but that may change
- * in the future.
- * JRM -- 12/21/11
- */
- if(HDstrcmp(fd_ptr->cls->name, "family") == 0)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "Not supported for family file driver.")
-
-
- /* Go get the actual file size */
- if(HADDR_UNDEF == (eoa = H5FD_get_eoa(file->shared->lf, H5FD_MEM_DEFAULT)))
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file size")
-
- /* set ret_value = to eoa -- will overwrite this if appropriate */
- ret_value = (ssize_t)eoa;
-
- /* test to see if a buffer was provided -- if not, we are done */
- if(buf_ptr != NULL) {
- size_t space_needed; /* size of file image */
- /* Check for buffer too small */
- if((haddr_t)buf_len < eoa)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "supplied buffer too small")
+ /* call private get_file_image function */
+ if((ret_value = H5F_get_file_image(file, buf_ptr, buf_len)) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file image")
- space_needed = (size_t)eoa;
-
- /* read in the file image */
- /* (Note compensation for base address addition in internal routine) */
- if(H5FD_read(fd_ptr, H5AC_ind_dxpl_g, H5FD_MEM_DEFAULT, 0, space_needed, buf_ptr) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_READERROR, FAIL, "file image read request failed")
- } /* end if */
-
done:
FUNC_LEAVE_API(ret_value)
} /* H5Fget_file_image() */
@@ -3153,150 +1414,3 @@ H5Fclear_elink_file_cache(hid_t file_id)
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Fclear_elink_file_cache() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_set_grp_btree_shared
- *
- * Purpose: Set the grp_btree_shared field with a valid ref-count pointer.
- *
- * Return: Success: SUCCEED
- * Failure: FAIL
- *
- * Programmer: Quincey Koziol
- * 7/19/11
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_set_grp_btree_shared(H5F_t *f, H5RC_t *rc)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
- HDassert(rc);
-
- f->shared->grp_btree_shared = rc;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5F_set_grp_btree_shared() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_set_sohm_addr
- *
- * Purpose: Set the sohm_addr field with a new value.
- *
- * Return: Success: SUCCEED
- * Failure: FAIL
- *
- * Programmer: Quincey Koziol
- * 7/20/11
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_set_sohm_addr(H5F_t *f, haddr_t addr)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
-
- f->shared->sohm_addr = addr;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5F_set_sohm_addr() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_set_sohm_vers
- *
- * Purpose: Set the sohm_vers field with a new value.
- *
- * Return: Success: SUCCEED
- * Failure: FAIL
- *
- * Programmer: Quincey Koziol
- * 7/20/11
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_set_sohm_vers(H5F_t *f, unsigned vers)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
-
- f->shared->sohm_vers = vers;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5F_set_sohm_vers() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_set_sohm_nindexes
- *
- * Purpose: Set the sohm_nindexes field with a new value.
- *
- * Return: Success: SUCCEED
- * Failure: FAIL
- *
- * Programmer: Quincey Koziol
- * 7/20/11
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_set_sohm_nindexes(H5F_t *f, unsigned nindexes)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
-
- f->shared->sohm_nindexes = nindexes;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5F_set_sohm_nindexes() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5F_set_store_msg_crt_idx
- *
- * Purpose: Set the store_msg_crt_idx field with a new value.
- *
- * Return: Success: SUCCEED
- * Failure: FAIL
- *
- * Programmer: Quincey Koziol
- * 7/20/11
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5F_set_store_msg_crt_idx(H5F_t *f, hbool_t flag)
-{
- /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
- FUNC_ENTER_NOAPI_NOINIT_NOERR
-
- /* Sanity check */
- HDassert(f);
- HDassert(f->shared);
-
- f->shared->store_msg_crt_idx = flag;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5F_set_store_msg_crt_idx() */
-