/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 COPYING file, which can be found at the root of the source code * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /****************/ /* Module Setup */ /****************/ #include "H5Fmodule.h" /* This source code file is part of the H5F module */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5ACprivate.h" /* Metadata cache */ #include "H5CXprivate.h" /* API Contexts */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5FLprivate.h" /* Free lists */ #include "H5Iprivate.h" /* IDs */ #include "H5Pprivate.h" /* Property lists */ #include "H5VLprivate.h" /* Virtual Object Layer */ #include "H5VLnative_private.h" /* Native VOL connector */ /****************/ /* Local Macros */ /****************/ /******************/ /* Local Typedefs */ /******************/ /* User data for traversal routine to get ID counts */ typedef struct { size_t obj_count; /* Number of objects counted so far */ unsigned types; /* Types of objects to be counted */ } H5F_trav_obj_cnt_t; /* User data for traversal routine to get ID lists */ typedef struct { size_t max_objs; /* Maximum # of IDs to record */ hid_t *oid_list; /* Array of recorded IDs*/ size_t obj_count; /* Number of objects counted so far */ } H5F_trav_obj_ids_t; /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ /* Callback for getting object counts in a file */ static int H5F__get_all_count_cb(void H5_ATTR_UNUSED *obj_ptr, hid_t H5_ATTR_UNUSED obj_id, void *key); /* Callback for getting IDs for open objects in a file */ static int H5F__get_all_ids_cb(void H5_ATTR_UNUSED *obj_ptr, hid_t obj_id, void *key); /*********************/ /* Package Variables */ /*********************/ /*****************************/ /* 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); /*------------------------------------------------------------------------- * 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: Object ID for a copy of the file creation * property list. * * Failure: H5I_INVALID_HID * *------------------------------------------------------------------------- */ hid_t H5Fget_create_plist(hid_t file_id) { H5VL_object_t *vol_obj; /* File info */ hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", file_id); /* check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") /* Retrieve the file creation property list */ if (H5VL_file_get(vol_obj, H5VL_FILE_GET_FCPL, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCOPY, H5I_INVALID_HID, "unable to retrieve 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: H5I_INVALID_HID * *------------------------------------------------------------------------- */ hid_t H5Fget_access_plist(hid_t file_id) { H5VL_object_t *vol_obj; /* File info */ hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", file_id); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") /* Retrieve the file's access property list */ if (H5VL_file_get(vol_obj, H5VL_FILE_GET_FAPL, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't get file access property list") done: 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: Success: H5_ITER_CONT or H5_ITER_STOP * * Failure: H5_ITER_ERROR * *------------------------------------------------------------------------- */ 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_STATIC_NOERR udata->obj_count++; 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: Success: The number of opened object IDs * * Failure: -1 * *------------------------------------------------------------------------- */ ssize_t H5Fget_obj_count(hid_t file_id, unsigned types) { ssize_t ret_value = 0; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE2("Zs", "iIu", file_id, types); /* Check arguments */ if (0 == (types & H5F_OBJ_ALL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not an object type") /* Perform the query */ /* If the 'special' ID wasn't passed in, just make a normal call to * count the IDs in the file. */ if (file_id != (hid_t)H5F_OBJ_ALL) { H5VL_object_t *vol_obj; /* Get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "not a file id") /* Get the count */ if (H5VL_file_get(vol_obj, H5VL_FILE_GET_OBJ_COUNT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, types, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "unable to get object count in file(s)") } /* If we passed in the 'special' ID, get the count for everything open in the * library, iterating over all open files and getting the object count for each. */ else { H5F_trav_obj_cnt_t udata; /* Set up callback context */ udata.types = types | H5F_OBJ_LOCAL; udata.obj_count = 0; if (types & H5F_OBJ_FILE) if (H5I_iterate(H5I_FILE, H5F__get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over file IDs failed") if (types & H5F_OBJ_DATASET) if (H5I_iterate(H5I_DATASET, H5F__get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over dataset IDs failed") if (types & H5F_OBJ_GROUP) if (H5I_iterate(H5I_GROUP, H5F__get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over group IDs failed") if (types & H5F_OBJ_DATATYPE) if (H5I_iterate(H5I_DATATYPE, H5F__get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over datatype IDs failed") if (types & H5F_OBJ_ATTR) if (H5I_iterate(H5I_ATTR, H5F__get_all_count_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over attribute IDs failed") /* Set return value */ ret_value = (ssize_t)udata.obj_count; } /* end else */ done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_obj_count() */ /*------------------------------------------------------------------------- * Function: H5F__get_all_ids_cb * * Purpose: Get IDs of all currently open objects of a given type. * * Return: Success: H5_ITER_CONT or H5_ITER_STOP * * Failure: H5_ITER_ERROR * *------------------------------------------------------------------------- */ 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_STATIC_NOERR if (udata->obj_count >= udata->max_objs) HGOTO_DONE(H5_ITER_STOP); /* Add the ID to the array */ udata->oid_list[udata->obj_count] = obj_id; udata->obj_count++; 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. * * NOTE: Type mismatch - You can ask for more objects than can be * returned. * * NOTE: Currently, the IDs' ref counts are not incremented. Is this * intentional and documented? * * Return: Success: The number of IDs in oid_list * * Failure: -1 * *------------------------------------------------------------------------- */ 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((-1)) H5TRACE4("Zs", "iIuz*i", file_id, types, max_objs, oid_list); /* Check arguments */ if (0 == (types & H5F_OBJ_ALL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not an object type") if (!oid_list) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "object ID list cannot be NULL") /* Perform the query */ /* If the 'special' ID wasn't passed in, just make a normal VOL call to * get the IDs from the file. */ if (file_id != (hid_t)H5F_OBJ_ALL) { H5VL_object_t *vol_obj; /* get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "invalid file identifier") /* Get the IDs */ if (H5VL_file_get(vol_obj, H5VL_FILE_GET_OBJ_IDS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, types, max_objs, oid_list, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "unable to get object ids in file(s)") } /* end if */ /* If we passed in the 'special' ID, get the count for everything open in the * library, iterating over all open files and getting the object count for each. * * XXX: Note that the RM states that passing in a negative value for max_objs * gets you all the objects. This technically works, but is clearly wrong * behavior since max_objs is an unsigned type. */ else { H5F_trav_obj_ids_t udata; /* Set up callback context */ udata.max_objs = max_objs; udata.oid_list = oid_list; udata.obj_count = 0; if (types & H5F_OBJ_FILE) if (H5I_iterate(H5I_FILE, H5F__get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over file IDs failed") if (types & H5F_OBJ_DATASET) if (H5I_iterate(H5I_DATASET, H5F__get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over dataset IDs failed") if (types & H5F_OBJ_GROUP) if (H5I_iterate(H5I_GROUP, H5F__get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over group IDs failed") if (types & H5F_OBJ_DATATYPE) if (H5I_iterate(H5I_DATATYPE, H5F__get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over datatype IDs failed") if (types & H5F_OBJ_ATTR) if (H5I_iterate(H5I_ATTR, H5F__get_all_ids_cb, &udata, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, (-1), "iteration over attribute IDs failed") /* Set return value */ ret_value = (ssize_t)udata.obj_count; } /* end else */ 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 * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_vfd_handle(hid_t file_id, hid_t fapl_id, void **file_handle) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "ii**x", file_id, fapl_id, file_handle); /* Check args */ if (!file_handle) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file handle pointer") /* Get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Retrieve the VFD handle for the file */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_VFD_HANDLE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, file_handle, fapl_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get VFD 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: -1 (includes file does not exist) * *------------------------------------------------------------------------- */ htri_t H5Fis_accessible(const char *filename, hid_t fapl_id) { htri_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("t", "*si", filename, fapl_id); /* Check args */ if (!filename || !*filename) 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") /* Check if file is accessible */ if (H5VL_file_specific(NULL, H5VL_FILE_IS_ACCESSIBLE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, fapl_id, filename, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to determine if file is accessible as HDF5") 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: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id) { void * new_file = NULL; /* File struct for new file */ H5P_genplist_t * plist; /* Property list pointer */ H5VL_connector_prop_t connector_prop; /* Property for VOL connector ID & info */ H5VL_object_t * vol_obj = NULL; /* VOL object for file */ hbool_t supported; /* Whether 'post open' operation is supported by VOL connector */ hid_t ret_value; /* return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE4("i", "*sIuii", filename, flags, fcpl_id, fapl_id); /* Check/fix arguments */ if (!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid file name") /* In this routine, we only accept the following flags: * H5F_ACC_EXCL, H5F_ACC_TRUNC and H5F_ACC_SWMR_WRITE */ if (flags & ~(H5F_ACC_EXCL | H5F_ACC_TRUNC | H5F_ACC_SWMR_WRITE)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "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, H5I_INVALID_HID, "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, H5I_INVALID_HID, "not file create property list") /* Verify access property list and set up collective metadata if appropriate */ if (H5CX_set_apl(&fapl_id, H5P_CLS_FACC, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") /* Get the VOL info from the fapl */ if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a file access property list") if (H5P_peek(plist, H5F_ACS_VOL_CONN_NAME, &connector_prop) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL connector info") /* Stash a copy of the "top-level" connector property, before any pass-through * connectors modify or unwrap it. */ if (H5CX_set_vol_connector_prop(&connector_prop) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set VOL connector info in API context") /* Adjust bit flags by turning on the creation bit and making sure that * the EXCL or TRUNC bit is set. All newly-created files are opened for * reading and writing. */ if (0 == (flags & (H5F_ACC_EXCL | H5F_ACC_TRUNC))) flags |= H5F_ACC_EXCL; /*default*/ flags |= H5F_ACC_RDWR | H5F_ACC_CREAT; /* Create a new file or truncate an existing file through the VOL */ if (NULL == (new_file = H5VL_file_create(&connector_prop, filename, flags, fcpl_id, fapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "unable to create file") /* Get an atom for the file */ if ((ret_value = H5VL_register_using_vol_id(H5I_FILE, new_file, connector_prop.connector_id, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize file handle") /* Get the file object */ if (NULL == (vol_obj = H5VL_vol_object(ret_value))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid object identifier") /* Make the 'post open' callback */ supported = FALSE; if (H5VL_introspect_opt_query(vol_obj, H5VL_SUBCLS_FILE, H5VL_NATIVE_FILE_POST_OPEN, &supported) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't check for 'post open' operation") if (supported) if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_POST_OPEN, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, H5I_INVALID_HID, "unable to make file 'post open' callback") 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: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Fopen(const char *filename, unsigned flags, hid_t fapl_id) { void * new_file = NULL; /* File struct for new file */ H5P_genplist_t * plist; /* Property list pointer */ H5VL_connector_prop_t connector_prop; /* Property for VOL connector ID & info */ H5VL_object_t * vol_obj = NULL; /* VOL object for file */ hbool_t supported; /* Whether 'post open' operation is supported by VOL connector */ hid_t ret_value; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE3("i", "*sIui", filename, flags, fapl_id); /* Check arguments */ if (!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "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, H5I_INVALID_HID, "invalid file open flags") /* XXX (VOL MERGE): Might want to move SWMR flag checks to H5F_open() */ /* Asking for SWMR write access on a read-only file is invalid */ if ((flags & H5F_ACC_SWMR_WRITE) && 0 == (flags & H5F_ACC_RDWR)) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "SWMR write access on a file open for read-only access is not allowed") /* Asking for SWMR read access on a non-read-only file is invalid */ if ((flags & H5F_ACC_SWMR_READ) && (flags & H5F_ACC_RDWR)) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "SWMR read access on a file open for read-write access is not allowed") /* Verify access property list and set up collective metadata if appropriate */ if (H5CX_set_apl(&fapl_id, H5P_CLS_FACC, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") /* Get the VOL info from the fapl */ if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a file access property list") if (H5P_peek(plist, H5F_ACS_VOL_CONN_NAME, &connector_prop) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL connector info") /* Stash a copy of the "top-level" connector property, before any pass-through * connectors modify or unwrap it. */ if (H5CX_set_vol_connector_prop(&connector_prop) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set VOL connector info in API context") /* Open the file through the VOL layer */ if (NULL == (new_file = H5VL_file_open(&connector_prop, filename, flags, fapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "unable to open file") /* Get an ID for the file */ if ((ret_value = H5VL_register_using_vol_id(H5I_FILE, new_file, connector_prop.connector_id, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize file handle") /* Get the file object */ if (NULL == (vol_obj = H5VL_vol_object(ret_value))) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "invalid object identifier") /* Make the 'post open' callback */ supported = FALSE; if (H5VL_introspect_opt_query(vol_obj, H5VL_SUBCLS_FILE, H5VL_NATIVE_FILE_POST_OPEN, &supported) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't check for 'post open' operation") if (supported) if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_POST_OPEN, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, H5I_INVALID_HID, "unable to make file 'post open' callback") 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: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fflush(hid_t object_id, H5F_scope_t scope) { H5VL_object_t *vol_obj = NULL; /* Object info */ H5I_type_t obj_type; /* Type of object */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "iFs", object_id, scope); /* Get the type of object we're flushing + sanity check */ 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 == (vol_obj = H5VL_vol_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") /* Flush the object */ if (H5VL_file_specific(vol_obj, H5VL_FILE_FLUSH, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)obj_type, (int)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 *------------------------------------------------------------------------- */ herr_t H5Fclose(hid_t file_id) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check arguments */ if (H5I_FILE != H5I_get_type(file_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file ID") /* Close the file */ if (H5I_dec_app_ref(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "decrementing file ID failed") done: FUNC_LEAVE_API(ret_value) } /* end H5Fclose() */ /*------------------------------------------------------------------------- * Function: H5Fdelete * * Purpose: Deletes an HDF5 file. * * Return: SUCCEED/FAIL * *------------------------------------------------------------------------- */ herr_t H5Fdelete(const char *filename, hid_t fapl_id) { H5P_genplist_t * plist; /* Property list pointer */ H5VL_connector_prop_t connector_prop; /* Property for VOL connector ID & info */ htri_t is_hdf5 = FAIL; herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "*si", filename, fapl_id); /* Check args */ if (!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "no file name specified") /* Verify access property list and set up collective metadata if appropriate */ if (H5CX_set_apl(&fapl_id, H5P_CLS_FACC, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") /* Get the VOL info from the fapl */ if (NULL == (plist = (H5P_genplist_t *)H5I_object_verify(fapl_id, H5I_GENPROP_LST))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a property list") if (H5P_peek(plist, H5F_ACS_VOL_CONN_NAME, &connector_prop) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL connector info") /* Stash a copy of the "top-level" connector property, before any pass-through * connectors modify or unwrap it. */ if (H5CX_set_vol_connector_prop(&connector_prop) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set VOL connector info in API context") /* Make sure this is HDF5 storage for this VOL connector */ if (H5VL_file_specific(NULL, H5VL_FILE_IS_ACCESSIBLE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, fapl_id, filename, &is_hdf5) < 0) HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to determine if file is accessible as HDF5") if (!is_hdf5) HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "not an HDF5 file") /* Delete the file */ if (H5VL_file_specific(NULL, H5VL_FILE_DELETE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, fapl_id, filename, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTDELETEFILE, FAIL, "unable to delete the file") done: FUNC_LEAVE_API(ret_value) } /* end H5Fdelete() */ /*------------------------------------------------------------------------- * 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: H5I_INVALID_HID * *------------------------------------------------------------------------- */ hid_t H5Freopen(hid_t file_id) { void * file = NULL; /* File struct for new file */ H5VL_object_t *vol_obj = NULL; /* VOL object for file */ hbool_t supported; /* Whether 'post open' operation is supported by VOL connector */ hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", file_id); /* Get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") /* Reopen the file */ if (H5VL_file_specific(vol_obj, H5VL_FILE_REOPEN, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &file) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, H5I_INVALID_HID, "unable to reopen file via the VOL connector") /* Make sure that worked */ if (NULL == file) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, H5I_INVALID_HID, "unable to reopen file") /* Get an atom for the file */ if ((ret_value = H5VL_register(H5I_FILE, file, vol_obj->connector, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize file handle") /* Get the file object */ if (NULL == (vol_obj = H5VL_vol_object(ret_value))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid object identifier") /* Make the 'post open' callback */ supported = FALSE; if (H5VL_introspect_opt_query(vol_obj, H5VL_SUBCLS_FILE, H5VL_NATIVE_FILE_POST_OPEN, &supported) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't check for 'post open' operation") if (supported) if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_POST_OPEN, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, H5I_INVALID_HID, "unable to make file 'post open' callback") 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: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ 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 *vol_obj; /* File info */ /* Get the internal file structure */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Get the flags */ if ((ret_value = H5VL_file_get(vol_obj, H5VL_FILE_GET_INTENT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, intent_flags)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file's intent flags") } /* end if */ done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_intent() */ /*------------------------------------------------------------------------- * Function: H5Fget_fileno * * Purpose: Public API to retrieve the file's 'file number' that uniquely * identifies each open file. * * Return: SUCCEED/FAIL * *------------------------------------------------------------------------- */ herr_t H5Fget_fileno(hid_t file_id, unsigned long *fnumber) { herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*Ul", file_id, fnumber); /* If no fnumber pointer was passed in, exit quietly */ if (fnumber) { H5VL_object_t *vol_obj; /* File info */ /* Get the internal file structure */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Get the flags */ if ((ret_value = H5VL_file_get(vol_obj, H5VL_FILE_GET_FILENO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, fnumber)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file's 'file number'") } /* end if */ done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_fileno() */ /*------------------------------------------------------------------------- * Function: H5Fget_freespace * * Purpose: Retrieves the amount of free space in the file. * * Return: Success: Amount of free space for type * Failure: -1 *------------------------------------------------------------------------- */ hssize_t H5Fget_freespace(hid_t file_id) { H5VL_object_t *vol_obj = NULL; hssize_t ret_value; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE1("Hs", "i", file_id); /* Get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "invalid file identifier") /* Get the amount of free space in the file */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_FREE_SPACE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "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 *------------------------------------------------------------------------- */ herr_t H5Fget_filesize(hid_t file_id, hsize_t *size) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*h", file_id, size); /* Check args */ if (!size) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "size parameter cannot be NULL") if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the file size */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_SIZE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, size) < 0) HGOTO_ERROR(H5E_FILE, 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: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_file_image(hid_t file_id, void *buf, size_t buf_len) { H5VL_object_t *vol_obj; /* File object for file ID */ ssize_t ret_value; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE3("Zs", "i*xz", file_id, buf, buf_len); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not a file ID") /* Get the file image */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_FILE_IMAGE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, buf, &ret_value, buf_len) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "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: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_config(hid_t file_id, H5AC_cache_config_t *config) { H5VL_object_t *vol_obj = NULL; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, config); /* Check args */ if ((NULL == config) || (config->version != H5AC__CURR_CACHE_CONFIG_VERSION)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Bad configptr") /* Get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Get the metadata cache configuration */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_MDC_CONF, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, config) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get metadata cache 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: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fset_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr) { H5VL_object_t *vol_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 == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Set the metadata cache configuration */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_SET_MDC_CONFIG, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, config_ptr) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set metadata cache 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: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_hit_rate(hid_t file_id, double *hit_rate) { H5VL_object_t *vol_obj; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*d", file_id, hit_rate); /* Check args */ if (NULL == hit_rate) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL hit rate pointer") if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the current hit rate */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_MDC_HR, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, hit_rate) < 0) HGOTO_ERROR(H5E_FILE, 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: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_size(hid_t file_id, size_t *max_size, size_t *min_clean_size, size_t *cur_size, int *cur_num_entries) { H5VL_object_t *vol_obj; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE5("e", "i*z*z*z*Is", file_id, max_size, min_clean_size, cur_size, cur_num_entries); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the size data */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_MDC_SIZE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, max_size, min_clean_size, cur_size, cur_num_entries) < 0) HGOTO_ERROR(H5E_FILE, 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: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Freset_mdc_hit_rate_stats(hid_t file_id) { H5VL_object_t *vol_obj = NULL; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Get the file object */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Reset the hit rate statistic */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_RESET_MDC_HIT_RATE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, 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: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_name(hid_t obj_id, char *name /*out*/, size_t size) { H5VL_object_t *vol_obj = NULL; H5I_type_t type; ssize_t ret_value = -1; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE3("Zs", "ixz", obj_id, name, size); /* Check the type */ 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, (-1), "not a file or file object") /* Get the file object */ if (NULL == (vol_obj = H5VL_vol_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "invalid file identifier") /* Get the filename via the VOL */ if (H5VL_file_get(vol_obj, H5VL_FILE_GET_NAME, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)type, size, name, &ret_value) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "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 * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_info2(hid_t obj_id, H5F_info2_t *finfo) { H5VL_object_t *vol_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, "file info pointer can't be NULL") /* Check the type */ 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 == (vol_obj = H5VL_vol_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") /* Get the file information */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)type, finfo) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve file info") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_info2() */ /*------------------------------------------------------------------------- * Function: H5Fget_metadata_read_retry_info * * Purpose: To retrieve the collection of read retries for metadata * items with checksum. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_metadata_read_retry_info(hid_t file_id, H5F_retry_info_t *info) { H5VL_object_t *vol_obj = NULL; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, info); /* Check args */ if (!info) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct") /* Get the file pointer */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the retry info */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_METADATA_READ_RETRY_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, info) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't get metadata read retry info") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_metadata_read_retry_info() */ /*------------------------------------------------------------------------- * 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: The total # of free space sections * Failure: -1 *------------------------------------------------------------------------- */ 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 *vol_obj = NULL; ssize_t ret_value = -1; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE4("Zs", "iFmzx", file_id, type, nsects, sect_info); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "invalid file identifier") if (sect_info && nsects == 0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "nsects must be > 0") /* Get the free-space section information in the file */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_FREE_SECTIONS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, sect_info, &ret_value, (int)type, nsects) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "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 *------------------------------------------------------------------------- */ herr_t H5Fclear_elink_file_cache(hid_t file_id) { H5VL_object_t *vol_obj; /* File */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Release the EFC */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_CLEAR_ELINK_CACHE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 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() */ /*------------------------------------------------------------------------- * Function: H5Fstart_swmr_write * * Purpose: To enable SWMR writing mode for the file * * 1) Refresh opened objects: part 1 * 2) Flush & reset accumulator * 3) Mark the file in SWMR writing mode * 4) Set metadata read attempts and retries info * 5) Disable accumulator * 6) Evict all cache entries except the superblock * 7) Refresh opened objects (part 2) * 8) Unlock the file * * Pre-conditions: * * 1) The file being opened has v3 superblock * 2) The file is opened with H5F_ACC_RDWR * 3) The file is not already marked for SWMR writing * 4) Current implementaion for opened objects: * --only allow datasets and groups without attributes * --disallow named datatype with/without attributes * --disallow opened attributes attached to objects * * NOTE: Currently, only opened groups and datasets are allowed * when enabling SWMR via H5Fstart_swmr_write(). * Will later implement a different approach-- * set up flush dependency/proxy even for file opened without * SWMR to resolve issues with opened objects. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fstart_swmr_write(hid_t file_id) { H5VL_object_t *vol_obj = NULL; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Set up collective metadata if appropriate */ if (H5CX_set_loc(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Start SWMR writing */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_START_SWMR_WRITE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_SYSTEM, FAIL, "unable to start SWMR writing") done: FUNC_LEAVE_API(ret_value) } /* end H5Fstart_swmr_write() */ /*------------------------------------------------------------------------- * Function: H5Fstart_mdc_logging * * Purpose: Start metadata cache logging operations for a file. * - Logging must have been set up via the fapl. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fstart_mdc_logging(hid_t file_id) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Sanity check */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Call mdc logging function */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_START_MDC_LOGGING, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_LOGGING, FAIL, "unable to start mdc logging") done: FUNC_LEAVE_API(ret_value) } /* H5Fstart_mdc_logging() */ /*------------------------------------------------------------------------- * Function: H5Fstop_mdc_logging * * Purpose: Stop metadata cache logging operations for a file. * - Does not close the log file. * - Logging must have been set up via the fapl. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fstop_mdc_logging(hid_t file_id) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Sanity check */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Call mdc logging function */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_STOP_MDC_LOGGING, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_LOGGING, FAIL, "unable to stop mdc logging") done: FUNC_LEAVE_API(ret_value) } /* H5Fstop_mdc_logging() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_logging_status * * Purpose: Get the logging flags. is_enabled determines if logging was * set up via the fapl. is_currently_logging determines if * log messages are being recorded at this time. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_logging_status(hid_t file_id, hbool_t *is_enabled, hbool_t *is_currently_logging) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "i*b*b", file_id, is_enabled, is_currently_logging); /* Sanity check */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Call mdc logging function */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_MDC_LOGGING_STATUS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, is_enabled, is_currently_logging) < 0) HGOTO_ERROR(H5E_FILE, H5E_LOGGING, FAIL, "unable to get logging status") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_logging_status() */ /*------------------------------------------------------------------------- * Function: H5Fset_libver_bounds * * Purpose: Set to a different low and high bounds while a file is open. * This public routine is introduced in place of * H5Fset_latest_format() starting release 1.10.2. * See explanation for H5Fset_latest_format() in H5Fdeprec.c. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fset_libver_bounds(hid_t file_id, H5F_libver_t low, H5F_libver_t high) { H5VL_object_t *vol_obj; /* File as VOL object */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "iFvFv", file_id, low, high); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "not a file ID") /* Set up collective metadata if appropriate */ if (H5CX_set_loc(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Set the library's version bounds */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_SET_LIBVER_BOUNDS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, low, high) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set library version bounds") done: FUNC_LEAVE_API(ret_value) } /* end H5Fset_libver_bounds() */ /*------------------------------------------------------------------------- * Function: H5Fformat_convert (Internal) * * Purpose: Downgrade the superblock version to v2 and * downgrade persistent file space to non-persistent * for 1.8 library. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fformat_convert(hid_t file_id) { H5VL_object_t *vol_obj = NULL; /* File */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "file_id parameter is not a valid file identifier") /* Set up collective metadata if appropriate */ if (H5CX_set_loc(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Convert the format */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_FORMAT_CONVERT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCONVERT, FAIL, "can't convert file format") done: FUNC_LEAVE_API(ret_value) } /* end H5Fformat_convert() */ /*------------------------------------------------------------------------- * Function: H5Freset_page_buffering_stats * * Purpose: Resets statistics for the page buffer layer. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Freset_page_buffering_stats(hid_t file_id) { H5VL_object_t *vol_obj; /* File to reset stats on */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Reset the statistics */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_RESET_PAGE_BUFFERING_STATS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't reset stats for page buffering") done: FUNC_LEAVE_API(ret_value) } /* H5Freset_page_buffering_stats() */ /*------------------------------------------------------------------------- * Function: H5Fget_page_buffering_stats * * Purpose: Retrieves statistics for the page buffer layer. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_page_buffering_stats(hid_t file_id, unsigned accesses[2], unsigned hits[2], unsigned misses[2], unsigned evictions[2], unsigned bypasses[2]) { H5VL_object_t *vol_obj; /* File object */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE6("e", "i*Iu*Iu*Iu*Iu*Iu", file_id, accesses, hits, misses, evictions, bypasses); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") if (NULL == accesses || NULL == hits || NULL == misses || NULL == evictions || NULL == bypasses) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL input parameters for stats") /* Get the statistics */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_PAGE_BUFFERING_STATS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, accesses, hits, misses, evictions, bypasses) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve stats for page buffering") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_page_buffering_stats() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_image_info * * Purpose: Retrieves the image_addr and image_len for the cache image in the file. * image_addr: --base address of the on disk metadata cache image * --HADDR_UNDEF if no cache image * image_len: --size of the on disk metadata cache image * --zero if no cache image * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_image_info(hid_t file_id, haddr_t *image_addr, hsize_t *image_len) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "i*a*h", file_id, image_addr, image_len); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Go get the address and size of the cache image */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_MDC_IMAGE_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, image_addr, image_len) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve cache image info") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_image_info() */ /*------------------------------------------------------------------------- * Function: H5Fget_eoa * * Purpose: Gets the address of the first byte after the last * allocated memory in the file. * (See H5FDget_eoa() in H5FD.c) * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_eoa(hid_t file_id, haddr_t *eoa) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*a", file_id, eoa); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Only do work if valid pointer to fill in */ if (eoa) { /* Retrieve the EOA for the file */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_EOA, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, eoa) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get EOA") } /* end if */ done: FUNC_LEAVE_API(ret_value) } /* H5Fget_eoa() */ /*------------------------------------------------------------------------- * Function: H5Fincrement_filesize * * Purpose: Set the EOA for the file to the maximum of (EOA, EOF) + increment * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fincrement_filesize(hid_t file_id, hsize_t increment) { H5VL_object_t *vol_obj; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "ih", file_id, increment); /* Check args */ if (NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Increment the file size */ if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_INCR_FILESIZE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, increment) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to increment file size") done: FUNC_LEAVE_API(ret_value) } /* H5Fincrement_filesize() */ /*------------------------------------------------------------------------- * Function: H5Fget_dset_no_attrs_hint * * Purpose: Get the file-level setting to create minimized dataset object headers. * Result is stored at pointer `minimize`. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_dset_no_attrs_hint(hid_t file_id, hbool_t *minimize) { H5VL_object_t *vol_obj = NULL; herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*b", file_id, minimize); if (NULL == minimize) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "out pointer 'minimize' cannot be NULL") vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE); if (NULL == vol_obj) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_GET_MIN_DSET_OHDR_FLAG, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, minimize) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file's dataset header minimization flag") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_dset_no_attrs_hint */ /*------------------------------------------------------------------------- * Function: H5Fset_dset_no_attrs_hint * * Purpose: Set the file-level setting to create minimized dataset object * headers. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fset_dset_no_attrs_hint(hid_t file_id, hbool_t minimize) { H5VL_object_t *vol_obj = NULL; herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "ib", file_id, minimize); vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE); if (NULL == vol_obj) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if (H5VL_file_optional(vol_obj, H5VL_NATIVE_FILE_SET_MIN_DSET_OHDR_FLAG, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, minimize) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file's dataset header minimization flag") done: FUNC_LEAVE_API(ret_value) } /* H5Fset_dset_no_attrs_hint */