diff options
Diffstat (limited to 'src/H5Oflush.c')
-rw-r--r-- | src/H5Oflush.c | 284 |
1 files changed, 98 insertions, 186 deletions
diff --git a/src/H5Oflush.c b/src/H5Oflush.c index a03cfa1..5d5c5da 100644 --- a/src/H5Oflush.c +++ b/src/H5Oflush.c @@ -6,7 +6,7 @@ * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the COPYING file, which can be found at the root of the source code * - * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * distribution tree, or in https://www.hdfgroup.org/licenses. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ @@ -15,7 +15,7 @@ * * Created: H5Oflush.c * Aug 19, 2010 - * Mike McGreevy <mamcgree@hdfgroup.org> + * Mike McGreevy * * Purpose: Object flush/refresh routines. * @@ -26,80 +26,34 @@ /* Module Setup */ /****************/ -#include "H5Omodule.h" /* This source code file is part of the H5O module */ -#define H5T_FRIEND /* Suppress error about including H5Tpkg */ +#include "H5Omodule.h" /* This source code file is part of the H5O module */ +#define H5T_FRIEND /* Suppress error about including H5Tpkg */ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ -#include "H5CXprivate.h" /* API Contexts */ -#include "H5Dprivate.h" /* Datasets */ -#include "H5Eprivate.h" /* Errors */ -#include "H5Fprivate.h" /* Files */ -#include "H5Gprivate.h" /* Groups */ -#include "H5Iprivate.h" /* IDs */ -#include "H5Opkg.h" /* Objects */ -#include "H5Tpkg.h" /* Datatypes */ +#include "H5private.h" /* Generic Functions */ +#include "H5CXprivate.h" /* API Contexts */ +#include "H5Dprivate.h" /* Datasets */ +#include "H5Eprivate.h" /* Errors */ +#include "H5ESprivate.h" /* Event Sets */ +#include "H5Fprivate.h" /* Files */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Opkg.h" /* Objects */ +#include "H5Tpkg.h" /* Datatypes */ /********************/ /* Local Prototypes */ /********************/ static herr_t H5O__oh_tag(const H5O_loc_t *oloc, haddr_t *tag); -static herr_t H5O__refresh_metadata_close(hid_t oid, H5O_loc_t oloc, - H5G_loc_t *obj_loc); - +static herr_t H5O__refresh_metadata_close(H5O_loc_t *oloc, H5G_loc_t *obj_loc, hid_t oid); /*************/ /* Functions */ /*************/ - - -/*------------------------------------------------------------------------- - * Function: H5Oflush - * - * Purpose: Flushes all buffers associated with an object to disk. - * - * Return: SUCCEED/FAIL - * - * Programmer: Mike McGreevy - * May 19, 2010 - * - *------------------------------------------------------------------------- - */ -herr_t -H5Oflush(hid_t obj_id) -{ - H5VL_object_t *vol_obj = NULL; /* Object token */ - H5VL_loc_params_t loc_params; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_API(FAIL) - H5TRACE1("e", "i", obj_id); - - /* Check args */ - if(NULL == (vol_obj = H5VL_vol_object(obj_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") - - /* Set up collective metadata if appropriate */ - if(H5CX_set_loc(obj_id) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") - - /* Set location parameters */ - loc_params.type = H5VL_OBJECT_BY_SELF; - loc_params.obj_type = H5I_get_type(obj_id); - - /* Flush the object */ - if(H5VL_object_specific(vol_obj, &loc_params, H5VL_OBJECT_FLUSH, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, obj_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") - -done: - FUNC_LEAVE_API(ret_value) -} /* end H5Oflush() */ - - /*------------------------------------------------------------------------- * Function: H5O_flush * @@ -116,33 +70,32 @@ done: herr_t H5O_flush(H5O_loc_t *oloc, hid_t obj_id) { - void *obj_ptr; /* Pointer to object */ - const H5O_obj_class_t *obj_class; /* Class of object */ - herr_t ret_value = SUCCEED; /* Return value */ + void * obj_ptr; /* Pointer to object */ + const H5O_obj_class_t *obj_class; /* Class of object */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Get the object pointer */ - if(NULL == (obj_ptr = H5VL_object(obj_id))) + if (NULL == (obj_ptr = H5VL_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") /* Get the object class */ - if(NULL == (obj_class = H5O__obj_class(oloc))) + if (NULL == (obj_class = H5O__obj_class(oloc))) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to determine object class") /* Flush the object of this class */ - if(obj_class->flush && obj_class->flush(obj_ptr) < 0) + if (obj_class->flush && obj_class->flush(obj_ptr) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") /* Flush the object metadata and invoke flush callback */ - if(H5O_flush_common(oloc, obj_id) < 0) + if (H5O_flush_common(oloc, obj_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object and object flush callback") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_flush() */ - /*------------------------------------------------------------------------- * Function: H5O_flush_common * @@ -158,28 +111,27 @@ done: herr_t H5O_flush_common(H5O_loc_t *oloc, hid_t obj_id) { - haddr_t tag = 0; - herr_t ret_value = SUCCEED; /* Return value */ + haddr_t tag = 0; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Retrieve tag for object */ - if(H5O__oh_tag(oloc, &tag) < 0) + if (H5O__oh_tag(oloc, &tag) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object metadata") /* Flush metadata based on tag value of the object */ - if(H5F_flush_tagged_metadata(oloc->file, tag) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata") + if (H5F_flush_tagged_metadata(oloc->file, tag) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata") /* Check to invoke callback */ - if(H5F_object_flush_cb(oloc->file, obj_id) < 0) + if (H5F_object_flush_cb(oloc->file, obj_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to do object flush callback") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_flush_common() */ - /*------------------------------------------------------------------------- * Function: H5O__oh_tag * @@ -196,85 +148,41 @@ done: static herr_t H5O__oh_tag(const H5O_loc_t *oloc, haddr_t *tag) { - H5O_t *oh = NULL; /* Object header */ - herr_t ret_value = SUCCEED; /* Return value */ + H5O_t *oh = NULL; /* Object header */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_STATIC + FUNC_ENTER_PACKAGE /* Check args */ HDassert(oloc); /* Get object header for object */ - if(NULL == (oh = H5O_protect(oloc, H5AC__READ_ONLY_FLAG, FALSE))) + if (NULL == (oh = H5O_protect(oloc, H5AC__READ_ONLY_FLAG, FALSE))) HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to protect object's object header") /* Get object header's address (i.e. the tag value for this object) */ - if(HADDR_UNDEF == (*tag = H5O_OH_GET_ADDR(oh))) + if (HADDR_UNDEF == (*tag = H5O_OH_GET_ADDR(oh))) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to get address of object header") done: /* Unprotect object header on failure */ - if(oh && H5O_unprotect(oloc, oh, H5AC__NO_FLAGS_SET) < 0) + if (oh && H5O_unprotect(oloc, oh, H5AC__NO_FLAGS_SET) < 0) HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header") FUNC_LEAVE_NOAPI(ret_value) } /* end H5O__oh_tag() */ - -/*------------------------------------------------------------------------- - * Function: H5Orefresh - * - * Purpose: Refreshes all buffers associated with an object. - * - * Return: SUCCEED/FAIL - * - * Programmer: Mike McGreevy - * July 28, 2010 - * - *------------------------------------------------------------------------- - */ -herr_t -H5Orefresh(hid_t oid) -{ - H5VL_object_t *vol_obj = NULL; /* Object token */ - H5VL_loc_params_t loc_params; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_API(FAIL) - H5TRACE1("e", "i", oid); - - /* Check args */ - if(NULL == (vol_obj = H5VL_vol_object(oid))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") - - /* Set up collective metadata if appropriate */ - if(H5CX_set_loc(oid) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, FAIL, "can't set access property list info") - - /* Set location parameters */ - loc_params.type = H5VL_OBJECT_BY_SELF; - loc_params.obj_type = H5I_get_type(oid); - - /* Refresh the object */ - if(H5VL_object_specific(vol_obj, &loc_params, H5VL_OBJECT_REFRESH, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, oid) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") - -done: - FUNC_LEAVE_API(ret_value) -} /* end H5Orefresh() */ - - /*------------------------------------------------------------------------- * Function: H5O_refresh_metadata * * Purpose: Refreshes all buffers associated with an object. * * Note: This is based on the original H5O_refresh_metadata() but - * is split into 2 routines. + * is split into 2 routines. * This is done so that H5Fstart_swmr_write() can use these - * 2 routines to refresh opened objects. This may be + * 2 routines to refresh opened objects. This may be * restored back to the original code when H5Fstart_swmr_write() - * uses a different approach to handle issues with opened objects. + * uses a different approach to handle issues with opened objects. * H5Fstart_swmr_write() no longer calls the 1st routine. (12/24/15) * * Return: Non-negative on success, negative on failure @@ -285,21 +193,21 @@ done: *------------------------------------------------------------------------- */ herr_t -H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc) +H5O_refresh_metadata(H5O_loc_t *oloc, hid_t oid) { - H5VL_object_t *vol_obj = NULL; /* VOL object associated with the ID */ - hbool_t objs_incr = FALSE; /* Whether the object count in the file was incremented */ - herr_t ret_value = SUCCEED; /* Return value */ + H5VL_object_t *vol_obj = NULL; /* VOL object associated with the ID */ + hbool_t objs_incr = FALSE; /* Whether the object count in the file was incremented */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* If the file is opened with write access, no need to perform refresh actions. */ - if(!(H5F_INTENT(oloc.file) & H5F_ACC_RDWR)) { - H5G_loc_t obj_loc; - H5O_loc_t obj_oloc; - H5G_name_t obj_path; + if (!(H5F_INTENT(oloc->file) & H5F_ACC_RDWR)) { + H5G_loc_t obj_loc; + H5O_loc_t obj_oloc; + H5G_name_t obj_path; H5O_shared_t cached_H5O_shared; - H5VL_t *connector = NULL; + H5VL_t * connector = NULL; /* Create empty object location */ obj_loc.oloc = &obj_oloc; @@ -309,19 +217,19 @@ H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc) /* "Fake" another open object in the file, so that it doesn't get closed * if this object is the only thing holding the file open. */ - H5F_incr_nopen_objs(oloc.file); + H5F_incr_nopen_objs(oloc->file); objs_incr = TRUE; /* Save important datatype state */ - if(H5I_get_type(oid) == H5I_DATATYPE) - if(H5T_save_refresh_state(oid, &cached_H5O_shared) < 0) + if (H5I_get_type(oid) == H5I_DATATYPE) + if (H5T_save_refresh_state(oid, &cached_H5O_shared) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, FAIL, "unable to save datatype state") /* Get the VOL object from the ID and cache a pointer to the connector. * The vol_obj will disappear when the underlying object is closed, so * we can't use that directly. */ - if(NULL == (vol_obj = H5VL_vol_object(oid))) + if (NULL == (vol_obj = H5VL_vol_object(oid))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") connector = vol_obj->connector; @@ -331,31 +239,30 @@ H5O_refresh_metadata(hid_t oid, H5O_loc_t oloc) connector->nrefs++; /* Close object & evict its metadata */ - if((H5O__refresh_metadata_close(oid, oloc, &obj_loc)) < 0) + if (H5O__refresh_metadata_close(oloc, &obj_loc, oid) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") /* Re-open the object, re-fetching its metadata */ - if((H5O_refresh_metadata_reopen(oid, &obj_loc, connector, FALSE)) < 0) + if (H5O_refresh_metadata_reopen(oid, &obj_loc, connector, FALSE) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") /* Restore the number of references on the VOL connector */ connector->nrefs--; /* Restore important datatype state */ - if(H5I_get_type(oid) == H5I_DATATYPE) - if(H5T_restore_refresh_state(oid, &cached_H5O_shared) < 0) + if (H5I_get_type(oid) == H5I_DATATYPE) + if (H5T_restore_refresh_state(oid, &cached_H5O_shared) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, FAIL, "unable to restore datatype state") } /* end if */ done: - if(objs_incr) - H5F_decr_nopen_objs(oloc.file); + if (objs_incr) + H5F_decr_nopen_objs(oloc->file); FUNC_LEAVE_NOAPI(ret_value); } /* end H5O_refresh_metadata() */ - /*------------------------------------------------------------------------- * Function: H5O__refresh_metadata_close * @@ -376,16 +283,17 @@ done: *------------------------------------------------------------------------- */ static herr_t -H5O__refresh_metadata_close(hid_t oid, H5O_loc_t oloc, H5G_loc_t *obj_loc) +H5O__refresh_metadata_close(H5O_loc_t *oloc, H5G_loc_t *obj_loc, hid_t oid) { - haddr_t tag = 0; /* Tag for object */ - hbool_t corked = FALSE; /* Whether object's metadata is corked */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t * file; /* Local copy of the object's file pointer */ + haddr_t tag = 0; /* Tag for object */ + hbool_t corked = FALSE; /* Whether object's metadata is corked */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE - FUNC_ENTER_STATIC - /* Make deep local copy of object's location information */ - if(obj_loc) { + if (obj_loc) { H5G_loc_t tmp_loc; H5G_loc(oid, &tmp_loc); @@ -393,40 +301,43 @@ H5O__refresh_metadata_close(hid_t oid, H5O_loc_t oloc, H5G_loc_t *obj_loc) } /* end if */ /* Handle close for multiple dataset opens */ - if(H5I_get_type(oid) == H5I_DATASET) - if(H5D_mult_refresh_close(oid) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to prepare refresh for dataset") + if (H5I_get_type(oid) == H5I_DATASET) + if (H5D_mult_refresh_close(oid) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to prepare refresh for dataset") /* Retrieve tag for object */ - if(H5O__oh_tag(&oloc, &tag) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTFLUSH, FAIL, "unable to get object header address") + if (H5O__oh_tag(oloc, &tag) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to get object header address") /* Get cork status of the object with tag */ - if(H5AC_cork(oloc.file, tag, H5AC__GET_CORKED, &corked) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_SYSTEM, FAIL, "unable to retrieve an object's cork status") + if (H5AC_cork(oloc->file, tag, H5AC__GET_CORKED, &corked) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_SYSTEM, FAIL, "unable to retrieve an object's cork status") + /* Hold a copy of the object's file pointer, since closing the object will + * invalidate the file pointer in the oloc. + */ + file = oloc->file; /* Close the object */ - if(H5I_dec_ref(oid) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to close object") + if (H5I_dec_ref(oid) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to close object") /* Flush metadata based on tag value of the object */ - if(H5F_flush_tagged_metadata(oloc.file, tag) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata") + if (H5F_flush_tagged_metadata(file, tag) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata") /* Evict the object's tagged metadata */ - if(H5F_evict_tagged_metadata(oloc.file, tag) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to evict metadata") + if (H5F_evict_tagged_metadata(file, tag) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to evict metadata") /* Re-cork object with tag */ - if(corked) - if(H5AC_cork(oloc.file, tag, H5AC__SET_CORK, &corked) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_SYSTEM, FAIL, "unable to cork the object") + if (corked) + if (H5AC_cork(file, tag, H5AC__SET_CORK, &corked) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_SYSTEM, FAIL, "unable to cork the object") done: FUNC_LEAVE_NOAPI(ret_value); } /* end H5O__refresh_metadata_close() */ - /*------------------------------------------------------------------------- * Function: H5O_refresh_metadata_reopen * @@ -444,9 +355,9 @@ done: herr_t H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, H5VL_t *vol_connector, hbool_t start_swmr) { - void *object = NULL; /* Object for this operation */ - H5I_type_t type; /* Type of object for the ID */ - herr_t ret_value = SUCCEED; /* Return value */ + void * object = NULL; /* Object for this operation */ + H5I_type_t type; /* Type of object for the ID */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -457,25 +368,25 @@ H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, H5VL_t *vol_connector /* Get object's type */ type = H5I_get_type(oid); - switch(type) { + switch (type) { case H5I_GROUP: /* Re-open the group */ - if(NULL == (object = H5G_open(obj_loc))) + if (NULL == (object = H5G_open(obj_loc))) HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open group") break; case H5I_DATATYPE: /* Re-open the named datatype */ - if(NULL == (object = H5T_open(obj_loc))) + if (NULL == (object = H5T_open(obj_loc))) HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open named datatype") break; case H5I_DATASET: /* Re-open the dataset */ - if(NULL == (object = H5D_open(obj_loc, H5P_DATASET_ACCESS_DEFAULT))) + if (NULL == (object = H5D_open(obj_loc, H5P_DATASET_ACCESS_DEFAULT))) HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "unable to open dataset") - if(!start_swmr) /* No need to handle multiple opens when H5Fstart_swmr_write() */ - if(H5D_mult_refresh_reopen((H5D_t *)object) < 0) + if (!start_swmr) /* No need to handle multiple opens when H5Fstart_swmr_write() */ + if (H5D_mult_refresh_reopen((H5D_t *)object) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to finish refresh for dataset") break; @@ -495,17 +406,18 @@ H5O_refresh_metadata_reopen(hid_t oid, H5G_loc_t *obj_loc, H5VL_t *vol_connector case H5I_ERROR_MSG: case H5I_ERROR_STACK: case H5I_SPACE_SEL_ITER: + case H5I_EVENTSET: case H5I_NTYPES: default: - HGOTO_ERROR(H5E_OHDR, H5E_BADTYPE, FAIL, "not a valid file object ID (dataset, group, or datatype)") - break; + HGOTO_ERROR(H5E_OHDR, H5E_BADTYPE, FAIL, + "not a valid file object ID (dataset, group, or datatype)") + break; } /* end switch */ /* Re-register ID for the object */ - if((H5VL_register_using_existing_id(type, object, vol_connector, TRUE, oid)) < 0) + if ((H5VL_register_using_existing_id(type, object, vol_connector, TRUE, oid)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTREGISTER, FAIL, "unable to re-register object ID after refresh") done: FUNC_LEAVE_NOAPI(ret_value); } /* end H5O_refresh_metadata_reopen() */ - |