/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the files COPYING and Copyright.html. COPYING can be found at the root * * of the source code distribution tree; Copyright.html can be found at the * * root level of an installed copy of the electronic HDF5 document set and * * is linked from the top-level documents page. It can also be found at * * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /****************/ /* Module Setup */ /****************/ #include "H5Fmodule.h" /* This source code file is part of the H5F module */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ #include "H5Pprivate.h" /* Property lists */ #include "H5VLprivate.h" /* VOL plugins */ /****************/ /* Local Macros */ /****************/ /******************/ /* Local Typedefs */ /******************/ /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ /*********************/ /* Package Variables */ /*********************/ /* Package initialization variable */ hbool_t H5_PKG_INIT_VAR = FALSE; /*****************************/ /* Library Private Variables */ /*****************************/ /*******************/ /* Local Variables */ /*******************/ /* Declare a free list to manage the H5VL_t struct */ H5FL_EXTERN(H5VL_t); /* Declare a free list to manage the H5VL_object_t struct */ H5FL_EXTERN(H5VL_object_t); /* File ID class */ static const H5I_class_t H5I_FILE_CLS[1] = {{ H5I_FILE, /* ID class value */ 0, /* Class flags */ 0, /* # of reserved IDs for class */ (H5I_free_t)H5F_close_file /* Callback routine for closing objects of this class */ }}; /*------------------------------------------------------------------------- * Function: H5F_init * * Purpose: Initialize the interface from some other package. * * Return: Success: non-negative * Failure: negative * * Programmer: Mohamad Chaarawi * July 2013 * *------------------------------------------------------------------------- */ herr_t H5F_init(void) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* FUNC_ENTER() does all the work */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_init() */ /*-------------------------------------------------------------------------- NAME H5F__init_package -- Initialize interface-specific information USAGE herr_t H5F__init_package() RETURNS Non-negative on success/Negative on failure DESCRIPTION Initializes any interface-specific data or routines. --------------------------------------------------------------------------*/ herr_t H5F__init_package(void) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE /* * 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) } /* H5F__init_package() */ /*------------------------------------------------------------------------- * Function: H5F_term_package * * Purpose: Terminate this interface: free all memory and reset global * variables to their initial values. Release all ID groups * associated with this interface. * * Return: Success: Positive if anything was done that might * have affected other interfaces; zero * otherwise. * * Failure: Never fails. * * Programmer: Robb Matzke * Friday, February 19, 1999 * *------------------------------------------------------------------------- */ int H5F_term_package(void) { int n = 0; FUNC_ENTER_NOAPI_NOINIT_NOERR if(H5_PKG_INIT_VAR) { if(H5I_nmembers(H5I_FILE) > 0) { (void)H5I_clear_type(H5I_FILE, FALSE, FALSE); n++; /*H5I*/ } /* end if */ else { /* Make certain we've cleaned up all the shared file objects */ H5F_sfile_assert_num(0); /* Destroy the file object id group */ n += (H5I_dec_type_ref(H5I_FILE) > 0); /* Mark closed */ if(0 == n) H5_PKG_INIT_VAR = FALSE; } /* end else */ } /* end if */ FUNC_LEAVE_NOAPI(n) } /* end H5F_term_package() */ /*------------------------------------------------------------------------- * Function: H5Fget_create_plist * * Purpose: Get an atom for a copy of the file-creation property list for * this file. This function returns an atom with a copy of the * properties used to create a file. * * Return: Success: template ID * * Failure: FAIL * * Programmer: Unknown * *------------------------------------------------------------------------- */ hid_t H5Fget_create_plist(hid_t file_id) { H5VL_object_t *obj = NULL; hid_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("i", "i", file_id); /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_FILE_GET_FCPL, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, &ret_value) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file creation properties") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_create_plist() */ /*------------------------------------------------------------------------- * Function: H5Fget_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: Robb Matzke * Wednesday, February 18, 1998 * *------------------------------------------------------------------------- */ hid_t H5Fget_access_plist(hid_t file_id) { H5VL_object_t *file = NULL; hid_t fapl_id = FAIL; hid_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("i", "i", file_id); /* get the file object */ if(NULL == (file = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_get(file->vol_obj, file->vol_info->vol_cls, H5VL_FILE_GET_FAPL, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, &fapl_id) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file creation properties") ret_value = fapl_id; done: if(ret_value < 0 && fapl_id != FAIL) if(H5I_dec_ref(fapl_id) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTDEC, FAIL, "decrementing plist ID failed") FUNC_LEAVE_API(ret_value) } /* end H5Fget_access_plist() */ /*------------------------------------------------------------------------- * Function: H5F_get_all_count_cb * * Purpose: Get counter of all object types currently open. * * Return: Non-negative on success; negative on failure. * * Programmer: Mohamad Chaarawi * May 2012 * *------------------------------------------------------------------------- */ static int H5F_get_all_count_cb(void H5_ATTR_UNUSED *obj_ptr, hid_t H5_ATTR_UNUSED obj_id, void *key) { H5F_trav_obj_cnt_t *udata = (H5F_trav_obj_cnt_t *)key; int ret_value = H5_ITER_CONT; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR *(udata->obj_count) = *(udata->obj_count)+1; FUNC_LEAVE_NOAPI(ret_value) } /* H5F_get_all_count_cb */ /*------------------------------------------------------------------------- * Function: H5Fget_obj_count * * Purpose: Public function returning the number of opened object IDs * (files, datasets, groups and datatypes) in the same file. * * Return: Non-negative on success; negative on failure. * * Programmer: Raymond Lu * Wednesday, Dec 5, 2001 * *------------------------------------------------------------------------- */ ssize_t H5Fget_obj_count(hid_t file_id, unsigned types) { ssize_t ret_value = 0; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("Zs", "iIu", file_id, types); if(file_id != (hid_t)H5F_OBJ_ALL) { H5VL_object_t *obj; /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file id") if(H5VL_file_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_FILE_GET_OBJ_COUNT, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, types, &ret_value) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get object count in file(s)") } /* iterate over all open files and get the obj count for each */ else { H5F_trav_obj_cnt_t udata; udata.obj_count = &ret_value; udata.types = types | H5F_OBJ_LOCAL; if(types & H5F_OBJ_FILE) { if(H5I_iterate(H5I_FILE, H5F_get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_DATASET) { if(H5I_iterate(H5I_DATASET, H5F_get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_GROUP) { if(H5I_iterate(H5I_GROUP, H5F_get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_DATATYPE) { if(H5I_iterate(H5I_DATATYPE, H5F_get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_ATTR) { if(H5I_iterate(H5I_ATTR, H5F_get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } } done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_obj_count() */ /*------------------------------------------------------------------------- * Function: H5F_get_all_ids_cb * * Purpose: Get ids of all object types currently open. * * Return: Non-negative on success; negative on failure. * * Programmer: Mohamad Chaarawi * May 2012 * *------------------------------------------------------------------------- */ static int H5F_get_all_ids_cb(void H5_ATTR_UNUSED *obj_ptr, hid_t obj_id, void *key) { H5F_trav_obj_ids_t *udata = (H5F_trav_obj_ids_t *)key; int ret_value = H5_ITER_CONT; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR if(*udata->obj_count >= udata->max_objs) HGOTO_DONE(H5_ITER_STOP); udata->oid_list[*udata->obj_count] = obj_id; *(udata->obj_count) = *(udata->obj_count)+1; done: FUNC_LEAVE_NOAPI(ret_value) } /* H5F_get_all_ids_cb */ /*------------------------------------------------------------------------- * Function: H5Fget_object_ids * * Purpose: Public function to return a list of opened object IDs. * * Return: Non-negative on success; negative on failure. * * Programmer: Raymond Lu * Wednesday, Dec 5, 2001 * * Modification: * Raymond Lu * 24 September 2008 * Changed the return value to ssize_t and MAX_OBJTS to size_t to * accommadate potential large number of objects. * *------------------------------------------------------------------------- */ ssize_t H5Fget_obj_ids(hid_t file_id, unsigned types, size_t max_objs, hid_t *oid_list) { ssize_t ret_value = 0; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE4("Zs", "iIuz*i", file_id, types, max_objs, oid_list); if(0 == (types & H5F_OBJ_ALL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not an object type") if(!oid_list) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "object ID list is NULL") /* Check arguments */ if(file_id != (hid_t)H5F_OBJ_ALL) { H5VL_object_t *obj; /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_FILE_GET_OBJ_IDS, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, types, max_objs, oid_list, &ret_value) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get object count in file(s)") } /* iterate over all open files and get the obj count for each */ else if (oid_list && max_objs){ H5F_trav_obj_ids_t udata; //udata.types = types | H5F_OBJ_LOCAL; udata.max_objs = max_objs; udata.oid_list = oid_list; udata.obj_count = &ret_value; if(types & H5F_OBJ_FILE) { if(H5I_iterate(H5I_FILE, H5F_get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_DATASET) { if(H5I_iterate(H5I_DATASET, H5F_get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_GROUP) { if(H5I_iterate(H5I_GROUP, H5F_get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_DATATYPE) { if(H5I_iterate(H5I_DATATYPE, H5F_get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } if(types & H5F_OBJ_ATTR) { if(H5I_iterate(H5I_ATTR, H5F_get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)"); } } done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_obj_ids() */ /*------------------------------------------------------------------------- * Function: H5Fget_vfd_handle * * Purpose: Returns a pointer to the file handle of the low-level file * driver. * * Return: Success: non-negative value. * Failure: negative. * * Programmer: Raymond Lu * Sep. 16, 2002 * *------------------------------------------------------------------------- */ herr_t H5Fget_vfd_handle(hid_t file_id, hid_t fapl, void **file_handle) { H5VL_object_t *obj = NULL; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "ii**x", file_id, fapl, file_handle); /* Check args */ if(!file_handle) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file handle pointer") /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_VFD_HANDLE, file_handle, fapl) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file handle") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_vfd_handle() */ /*------------------------------------------------------------------------- * Function: H5Fis_accessible * * Purpose: Check if the file can be opened with the given fapl. * * Return: Success: TRUE/FALSE * * Failure: Negative * * Programmer: Mohamad Chaarawi * June 2012 * *------------------------------------------------------------------------- */ htri_t H5Fis_accessible(const char *name, hid_t fapl_id) { htri_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("t", "*si", name, fapl_id); /* Check args */ if(!name || !*name) HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "no file name specified") /* Check the file access property list */ if(H5P_DEFAULT == fapl_id) fapl_id = H5P_FILE_ACCESS_DEFAULT; else if(TRUE != H5P_isa_class(fapl_id, H5P_FILE_ACCESS)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not file access property list") /* Call into the VOL to check if file is accessible */ if(H5VL_file_specific(NULL, NULL, H5VL_FILE_IS_ACCESSIBLE, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, fapl_id, name, &ret_value) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file handle") done: FUNC_LEAVE_API(ret_value) } /* end H5Fis_accessible() */ /*------------------------------------------------------------------------- * Function: H5Fcreate * * Purpose: This is the primary function for creating HDF5 files . The * flags parameter determines whether an existing file will be * overwritten or not. All newly created files are opened for * both reading and writing. All flags may be combined with the * bit-wise OR operator (`|') to change the behavior of the file * create call. * * The more complex behaviors of a file's creation and access * are controlled through the file-creation and file-access * property lists. The value of H5P_DEFAULT for a template * value indicates that the library should use the default * values for the appropriate template. * * See also: H5Fpublic.h for the list of supported flags. H5Ppublic.h for * the list of file creation and file access properties. * * Return: Success: A file ID * * Failure: FAIL * * Programmer: Unknown * *------------------------------------------------------------------------- */ hid_t H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id) { void *file; /* file object returned from the plugin */ H5P_genplist_t *plist; /* Property list pointer */ H5VL_class_t *vol_cls = NULL; /* VOL Class structure for callback info */ H5VL_t *vol_info = NULL; /* VOL info struct */ H5VL_plugin_prop_t plugin_prop; /* Property for vol plugin ID & info */ hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ hid_t ret_value; /* return value */ FUNC_ENTER_API(FAIL) H5TRACE4("i", "*sIuii", filename, flags, fcpl_id, fapl_id); /* Check/fix arguments */ if(!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file name") /* In this routine, we only accept the following flags: * H5F_ACC_EXCL and H5F_ACC_TRUNC */ if(flags & ~(H5F_ACC_EXCL | H5F_ACC_TRUNC)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid flags") /* The H5F_ACC_EXCL and H5F_ACC_TRUNC flags are mutually exclusive */ if((flags & H5F_ACC_EXCL) && (flags & H5F_ACC_TRUNC)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "mutually exclusive flags for file creation") /* Check file creation property list */ if(H5P_DEFAULT == fcpl_id) fcpl_id = H5P_FILE_CREATE_DEFAULT; else if(TRUE != H5P_isa_class(fcpl_id, H5P_FILE_CREATE)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not file create property list") /* Verify access property list and get correct dxpl */ if(H5P_verify_apl_and_dxpl(&fapl_id, H5P_CLS_FACC, &dxpl_id, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set access and transfer property lists") /* get the VOL info from the fapl */ if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") if(H5P_peek(plist, H5F_ACS_VOL_NAME, &plugin_prop) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol plugin info") if(NULL == (vol_cls = (H5VL_class_t *)H5I_object_verify(plugin_prop.plugin_id, H5I_VOL))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") /* create a new file or truncate an existing file through the VOL */ if(NULL == (file = H5VL_file_create(vol_cls, filename, flags, fcpl_id, fapl_id, dxpl_id, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to create file") /* setup VOL info struct */ if(NULL == (vol_info = H5FL_CALLOC(H5VL_t))) HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate VL info struct") vol_info->vol_cls = vol_cls; vol_info->vol_id = plugin_prop.plugin_id; if(H5I_inc_ref(vol_info->vol_id, FALSE) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTINC, FAIL, "unable to increment ref count on VOL plugin") /* Get an atom for the file */ if((ret_value = H5VL_register_id(H5I_FILE, file, vol_info, TRUE)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize file handle") done: FUNC_LEAVE_API(ret_value) } /* end H5Fcreate() */ /*------------------------------------------------------------------------- * Function: H5Fopen * * Purpose: This is the primary function for accessing existing HDF5 * files. The FLAGS argument determines whether writing to an * existing file will be allowed or not. All flags may be * combined with the bit-wise OR operator (`|') to change the * behavior of the file open call. The more complex behaviors * of a file's access are controlled through the file-access * property list. * * See Also: H5Fpublic.h for a list of possible values for FLAGS. * * Return: Success: A file ID * * Failure: FAIL * * Programmer: Unknown * * Modifications: * Robb Matzke, 1997-07-18 * File struct creation and destruction is through H5F_new() and * H5F_dest(). Reading the root symbol table entry is done with * H5G_decode(). * * Robb Matzke, 1997-09-23 * Most of the work is now done by H5F_open() since H5Fcreate() * and H5Fopen() originally contained almost identical code. * * Robb Matzke, 1998-02-18 * Added better error checking for the flags and the file access * property list. It used to be possible to make the library * dump core by passing an object ID that was not a file access * property list. * * Robb Matzke, 1999-08-02 * The file access property list is passed to the H5F_open() as * object IDs. *------------------------------------------------------------------------- */ hid_t H5Fopen(const char *filename, unsigned flags, hid_t fapl_id) { void *file; /* file object returned from the plugin */ H5P_genplist_t *plist; /* Property list pointer */ H5VL_plugin_prop_t plugin_prop; /* Property for vol plugin ID & info */ H5VL_class_t *vol_cls = NULL; /* VOL Class structure for callback info */ H5VL_t *vol_info = NULL; /* VOL info struct */ hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ hid_t ret_value; /* return value */ FUNC_ENTER_API(FAIL) H5TRACE3("i", "*sIui", filename, flags, fapl_id); /* Check/fix arguments. */ if(!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file name") /* Reject undefined flags (~H5F_ACC_PUBLIC_FLAGS) and the H5F_ACC_TRUNC & H5F_ACC_EXCL flags */ if((flags & ~H5F_ACC_PUBLIC_FLAGS) || (flags & H5F_ACC_TRUNC) || (flags & H5F_ACC_EXCL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file open flags") /* Verify access property list and get correct dxpl */ if(H5P_verify_apl_and_dxpl(&fapl_id, H5P_CLS_FACC, &dxpl_id, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set access and transfer property lists") /* get the VOL info from the fapl */ if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") if(H5P_peek(plist, H5F_ACS_VOL_NAME, &plugin_prop) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol plugin info") if(NULL == (vol_cls = (H5VL_class_t *)H5I_object_verify(plugin_prop.plugin_id, H5I_VOL))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a VOL plugin ID") /* Open the file through the VOL layer */ if(NULL == (file = H5VL_file_open(vol_cls, filename, flags, fapl_id, dxpl_id, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to create file") /* setup VOL info struct */ if(NULL == (vol_info = H5FL_CALLOC(H5VL_t))) HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate VL info struct") vol_info->vol_cls = vol_cls; vol_info->vol_id = plugin_prop.plugin_id; if(H5I_inc_ref(vol_info->vol_id, FALSE) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTINC, FAIL, "unable to increment ref count on VOL plugin") /* Get an atom for the file */ if((ret_value = H5VL_register_id(H5I_FILE, file, vol_info, TRUE)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize file handle") done: FUNC_LEAVE_API(ret_value) } /* end H5Fopen() */ /*------------------------------------------------------------------------- * Function: H5Fflush * * Purpose: Flushes all outstanding buffers of a file to disk but does * not remove them from the cache. The OBJECT_ID can be a file, * dataset, group, attribute, or named data type. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, August 6, 1998 * *------------------------------------------------------------------------- */ herr_t H5Fflush(hid_t object_id, H5F_scope_t scope) { H5VL_object_t *obj = NULL; H5I_type_t obj_type; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "iFs", object_id, scope); obj_type = H5I_get_type(object_id); if(H5I_FILE != obj_type && H5I_GROUP != obj_type && H5I_DATATYPE != obj_type && H5I_DATASET != obj_type && H5I_ATTR != obj_type) { HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") } /* get the file object */ if(NULL == (obj = H5VL_get_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_specific(obj->vol_obj, obj->vol_info->vol_cls, H5VL_FILE_FLUSH, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, obj_type, scope) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file") done: FUNC_LEAVE_API(ret_value) } /* end H5Fflush() */ /*------------------------------------------------------------------------- * Function: H5Fclose * * Purpose: This function closes the file specified by FILE_ID by * flushing all data to storage, and terminating access to the * file through FILE_ID. If objects (e.g., datasets, groups, * etc.) are open in the file then the underlying storage is not * closed until those objects are closed; however, all data for * the file and the open objects is flushed. * * Return: Success: Non-negative * * Failure: Negative * * Programmer: Robb Matzke * Saturday, February 20, 1999 * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5Fclose(hid_t file_id) { herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check/fix arguments. */ if(H5I_FILE != H5I_get_type(file_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file ID") /* Decrement reference count on atom. When it reaches zero the file will be closed. */ if(H5I_dec_app_ref(file_id) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTCLOSEFILE, FAIL, "decrementing file ID failed") done: FUNC_LEAVE_API(ret_value) } /* end H5Fclose() */ /*------------------------------------------------------------------------- * Function: H5F_close_file * * Purpose: Called when the ref count reaches zero on the file_id * * Return: Success: Non-negative * * Failure: Negative * * Programmer: Mohamad Chaarawi * June 2012 * *------------------------------------------------------------------------- */ herr_t H5F_close_file(void *_file) { H5VL_object_t *file = (H5VL_object_t *)_file; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* Close the file through the VOL*/ if((ret_value = H5VL_file_close(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "unable to close file") /* free file */ if(H5VL_free_object(file) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "unable to free VOL object") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_close_file() */ /*------------------------------------------------------------------------- * Function: H5Freopen * * Purpose: Reopen a file. The new file handle which is returned points * to the same file as the specified file handle. Both handles * share caches and other information. The only difference * between the handles is that the new handle is not mounted * anywhere and no files are mounted on it. * * Return: Success: New file ID * * Failure: FAIL * * Programmer: Robb Matzke * Friday, October 16, 1998 * *------------------------------------------------------------------------- */ hid_t H5Freopen(hid_t file_id) { H5VL_object_t *obj = NULL; void *file; /* file token from VOL plugin */ hid_t ret_value; FUNC_ENTER_API(FAIL) H5TRACE1("i", "i", file_id); /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_REOPEN, &file) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to reopen file") if (NULL == file) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to reopen file") /* Get an atom for the file */ if((ret_value = H5VL_register_id(H5I_FILE, file, obj->vol_info, TRUE)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize file handle") done: FUNC_LEAVE_API(ret_value) } /* end H5Freopen() */ /*------------------------------------------------------------------------- * Function: H5Fget_intent * * Purpose: Public API to retrieve the file's 'intent' flags passed * during H5Fopen() * * Return: Non-negative on success/negative on failure * * Programmer: James Laird * August 23, 2006 * *------------------------------------------------------------------------- */ herr_t H5Fget_intent(hid_t file_id, unsigned *intent_flags) { herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*Iu", file_id, intent_flags); /* If no intent flags were passed in, exit quietly */ if(intent_flags) { H5VL_object_t *obj = NULL; /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if((ret_value = H5VL_file_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_FILE_GET_INTENT, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, intent_flags)) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file intent") } done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_intent() */ /*------------------------------------------------------------------------- * Function: H5Fget_freespace * * Purpose: Retrieves the amount of free space in the file. * * Return: Success: Amount of free space for type * Failure: Negative * * Programmer: Quincey Koziol * koziol@ncsa.uiuc.edu * Oct 6, 2003 * *------------------------------------------------------------------------- */ hssize_t H5Fget_freespace(hid_t file_id) { H5VL_object_t *obj = NULL; hssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("Hs", "i", file_id); /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_FREE_SPACE, &ret_value) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file free space") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_freespace() */ /*------------------------------------------------------------------------- * Function: H5Fget_filesize * * Purpose: Retrieves the file size of the HDF5 file. This function * is called after an existing file is opened in order * to learn the true size of the underlying file. * * Return: Success: Non-negative * Failure: Negative * * Programmer: David Pitt * david.pitt@bigpond.com * Apr 27, 2004 * *------------------------------------------------------------------------- */ herr_t H5Fget_filesize(hid_t file_id, hsize_t *size) { H5VL_object_t *file; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*h", file_id, size); /* get the file object */ if(NULL == (file = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") if(H5VL_file_optional(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_SIZE, size) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file size") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_filesize() */ /*------------------------------------------------------------------------- * Function: H5Fget_file_image * * Purpose: If a buffer is provided (via the buf_ptr argument) and is * big enough (size in buf_len argument), load *buf_ptr with * an image of the open file whose ID is provided in the * file_id parameter, and return the number of bytes copied * to the buffer. * * If the buffer exists, but is too small to contain an image * of the indicated file, return a negative number. * * Finally, if no buffer is provided, return the size of the * buffer needed. This value is simply the eoa of the target * file. * * Note that any user block is skipped. * * Also note that the function may not be used on files * opened with either the split/multi file driver or the * family file driver. * * In the former case, the sparse address space makes the * get file image operation impractical, due to the size of * the image typically required. * * In the case of the family file driver, the problem is * the driver message in the super block, which will prevent * the image being opened with any driver other than the * family file driver -- which negates the purpose of the * operation. This can be fixed, but no resources for * this now. * * Return: Success: Bytes copied / number of bytes needed. * Failure: negative value * * Programmer: John Mainzer * 11/15/11 * *------------------------------------------------------------------------- */ ssize_t H5Fget_file_image(hid_t file_id, void *buf_ptr, size_t buf_len) { H5VL_object_t *file; ssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("Zs", "i*xz", file_id, buf_ptr, buf_len); /* Check args */ if(NULL == (file = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* get image through the VOL */ if(H5VL_file_optional(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_FILE_IMAGE, buf_ptr, &ret_value, buf_len) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file image") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_file_image() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_config * * Purpose: Retrieves the current automatic cache resize configuration * from the metadata cache, and return it in *config_ptr. * * Note that the version field of *config_Ptr must be correctly * filled in by the caller. This allows us to adapt for * obsolete versions of the structure. * * Return: Success: SUCCEED * Failure: FAIL * * Programmer: John Mainzer * 3/24/05 * *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr) { H5VL_object_t *obj = NULL; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, config_ptr); /* check args */ if((NULL == config_ptr) || (config_ptr->version != H5AC__CURR_CACHE_CONFIG_VERSION)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Bad config_ptr") /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_MDC_CONF, config_ptr) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get mdc configuration") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_config() */ /*------------------------------------------------------------------------- * Function: H5Fset_mdc_config * * Purpose: Sets the current metadata cache automatic resize * configuration, using the contents of the instance of * H5AC_cache_config_t pointed to by config_ptr. * * Return: Success: SUCCEED * Failure: FAIL * * Programmer: John Mainzer * 3/24/05 * *------------------------------------------------------------------------- */ herr_t H5Fset_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr) { H5VL_object_t *obj = NULL; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, config_ptr); /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_SET_MDC_CONFIG, config_ptr) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "uanvle to set MDC configuration") done: FUNC_LEAVE_API(ret_value) } /* H5Fset_mdc_config() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_hit_rate * * Purpose: Retrieves the current hit rate from the metadata cache. * This rate is the overall hit rate since the last time * the hit rate statistics were reset either manually or * automatically. * * Return: Success: SUCCEED * Failure: FAIL * * Programmer: John Mainzer * 3/24/05 * *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_hit_rate(hid_t file_id, double *hit_rate_ptr) { H5VL_object_t *file; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*d", file_id, hit_rate_ptr); /* Check args */ if(NULL == (file = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") if(NULL == hit_rate_ptr) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL hit rate pointer") if(H5VL_file_optional(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_MDC_HR, hit_rate_ptr) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get MDC hit rate") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_hit_rate() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_size * * Purpose: Retrieves the maximum size, minimum clean size, current * size, and current number of entries from the metadata * cache associated with the specified file. If any of * the ptr parameters are NULL, the associated datum is * not returned. * * Return: Success: SUCCEED * Failure: FAIL * * Programmer: John Mainzer * 3/24/05 * *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_size(hid_t file_id, size_t *max_size_ptr, size_t *min_clean_size_ptr, size_t *cur_size_ptr, int *cur_num_entries_ptr) { H5VL_object_t *file; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE5("e", "i*z*z*z*Is", file_id, max_size_ptr, min_clean_size_ptr, cur_size_ptr, cur_num_entries_ptr); /* Check args */ if(NULL == (file = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") if(H5VL_file_optional(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_MDC_SIZE, max_size_ptr, min_clean_size_ptr, cur_size_ptr, cur_num_entries_ptr) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get MDC size") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_size() */ /*------------------------------------------------------------------------- * Function: H5Freset_mdc_hit_rate_stats * * Purpose: Reset the hit rate statistic whose current value can * be obtained via the H5Fget_mdc_hit_rate() call. Note * that this statistic will also be reset once per epoch * by the automatic cache resize code if it is enabled. * * It is probably a bad idea to call this function unless * you are controlling cache size from your program instead * of using our cache size control code. * * Return: Success: SUCCEED * Failure: FAIL * * Programmer: John Mainzer * 3/24/05 * *------------------------------------------------------------------------- */ herr_t H5Freset_mdc_hit_rate_stats(hid_t file_id) { H5VL_object_t *obj = NULL; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* get the file object */ if(NULL == (obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_RESET_MDC_HIT_RATE) < 0) HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't reset cache hit rate") done: FUNC_LEAVE_API(ret_value) } /* H5Freset_mdc_hit_rate_stats() */ /*------------------------------------------------------------------------- * Function: H5Fget_name * * Purpose: Gets the name of the file to which object OBJ_ID belongs. * If `name' is non-NULL then write up to `size' bytes into that * buffer and always return the length of the entry name. * Otherwise `size' is ignored and the function does not store the name, * just returning the number of characters required to store the name. * If an error occurs then the buffer pointed to by `name' (NULL or non-NULL) * is unchanged and the function returns a negative value. * * Note: This routine returns the name that was used to open the file, * not the actual name after resolving symlinks, etc. * * Return: Success: The length of the file name * Failure: Negative * * Programmer: Raymond Lu * June 29, 2004 * *------------------------------------------------------------------------- */ ssize_t H5Fget_name(hid_t obj_id, char *name/*out*/, size_t size) { H5VL_object_t *obj = NULL; H5I_type_t type; ssize_t ret_value; FUNC_ENTER_API(FAIL) H5TRACE3("Zs", "ixz", obj_id, name, size); type = H5I_get_type(obj_id); if(H5I_FILE != type && H5I_GROUP != type && H5I_DATATYPE != type && H5I_DATASET != type && H5I_ATTR != type) { HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") } /* get the file object */ if(NULL == (obj = H5VL_get_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_FILE_GET_NAME, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, type, size, name, &ret_value) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file name") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_name() */ /*------------------------------------------------------------------------- * Function: H5Fget_info2 * * Purpose: Gets general information about the file, including: * 1. Get storage size for superblock extension if there is one. * 2. Get the amount of btree and heap storage for entries * in the SOHM table if there is one. * 3. The amount of free space tracked in the file. * * Return: Success: non-negative on success * Failure: Negative * * Programmer: Vailin Choi * July 11, 2007 * *------------------------------------------------------------------------- */ herr_t H5Fget_info2(hid_t obj_id, H5F_info2_t *finfo) { H5VL_object_t *obj = NULL; H5I_type_t type; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", obj_id, finfo); /* Check args */ if(!finfo) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct") type = H5I_get_type(obj_id); if(H5I_FILE != type && H5I_GROUP != type && H5I_DATATYPE != type && H5I_DATASET != type && H5I_ATTR != type) { HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") } /* get the file object */ if(NULL == (obj = H5VL_get_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(obj->vol_obj, obj->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_INFO, type, finfo) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file info") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_info2() */ /*------------------------------------------------------------------------- * Function: H5Fget_free_sections * * Purpose: To get free-space section information for free-space manager with * TYPE that is associated with file FILE_ID. * If SECT_INFO is null, this routine returns the total # of free-space * sections. * * Return: Success: non-negative, the total # of free space sections * Failure: negative * * Programmer: Vailin Choi; July 1st, 2009 * *------------------------------------------------------------------------- */ ssize_t H5Fget_free_sections(hid_t file_id, H5F_mem_t type, size_t nsects, H5F_sect_info_t *sect_info/*out*/) { H5VL_object_t *file; ssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE4("Zs", "iFmzx", file_id, type, nsects, sect_info); /* Check args */ if(NULL == (file = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(sect_info && nsects == 0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "nsects must be > 0") if(H5VL_file_optional(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_GET_FREE_SECTIONS, sect_info, &ret_value, type, nsects) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get file free sections") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_free_sections() */ /*------------------------------------------------------------------------- * Function: H5Fclear_elink_file_cache * * Purpose: Releases the external file cache associated with the * provided file, potentially closing any cached files * unless they are held open from somewhere\ else. * * Return: Success: non-negative * Failure: negative * * Programmer: Neil Fortner; December 30, 2010 * *------------------------------------------------------------------------- */ herr_t H5Fclear_elink_file_cache(hid_t file_id) { H5VL_object_t *file; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if(NULL == (file = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(H5VL_file_optional(file->vol_obj, file->vol_info->vol_cls, H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, H5VL_FILE_CLEAR_ELINK_CACHE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release external file cache") done: FUNC_LEAVE_API(ret_value) } /* end H5Fclear_elink_file_cache() */