diff options
Diffstat (limited to 'src/H5F.c')
| -rw-r--r-- | src/H5F.c | 712 |
1 files changed, 278 insertions, 434 deletions
@@ -21,20 +21,20 @@ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ -#include "H5Aprivate.h" /* Attributes */ -#include "H5ACprivate.h" /* Metadata cache */ -#include "H5Dprivate.h" /* Datasets */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5Fpkg.h" /* File access */ -#include "H5FDprivate.h" /* File drivers */ -#include "H5Gprivate.h" /* Groups */ -#include "H5Iprivate.h" /* IDs */ -#include "H5MFprivate.h" /* File memory management */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Pprivate.h" /* Property lists */ -#include "H5SMprivate.h" /* Shared Object Header Messages */ -#include "H5Tprivate.h" /* Datatypes */ +#include "H5private.h" /* Generic Functions */ +#include "H5Aprivate.h" /* Attributes */ +#include "H5ACprivate.h" /* Metadata cache */ +#include "H5Dprivate.h" /* Datasets */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fpkg.h" /* File access */ +#include "H5FDprivate.h" /* File drivers */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5MFprivate.h" /* File memory management */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5SMprivate.h" /* Shared Object Header Messages */ +#include "H5Tprivate.h" /* Datatypes */ /****************/ @@ -76,10 +76,10 @@ hbool_t H5_PKG_INIT_VAR = FALSE; /* 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 /* Callback routine for closing objects of this class */ + H5I_FILE, /* ID class value */ + 0, /* Class flags */ + 0, /* # of reserved IDs for class */ + (H5I_free_t)H5F_close /* Callback routine for closing objects of this class */ }}; @@ -113,27 +113,22 @@ done: /*------------------------------------------------------------------------- - * Function: H5F_term_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 + * 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. *------------------------------------------------------------------------- */ int H5F_term_package(void) { - int n = 0; + int n = 0; FUNC_ENTER_NOAPI_NOINIT_NOERR @@ -141,7 +136,7 @@ H5F_term_package(void) if(H5I_nmembers(H5I_FILE) > 0) { (void)H5I_clear_type(H5I_FILE, FALSE, FALSE); n++; /*H5I*/ - } /* end if */ + } /* end if */ else { /* Make certain we've cleaned up all the shared file objects */ H5F_sfile_assert_num(0); @@ -160,18 +155,14 @@ H5F_term_package(void) /*------------------------------------------------------------------------- - * 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 + * Function: H5Fget_create_plist * - * Failure: FAIL - * - * Programmer: Unknown + * 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 *------------------------------------------------------------------------- */ hid_t @@ -200,24 +191,19 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fget_access_plist + * Function: H5Fget_access_plist * - * Purpose: Returns a copy of the file access property list of the - * specified file. + * 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 - * + * Return: Success: Object ID for a copy of the file access + * property list. + * Failure: FAIL *------------------------------------------------------------------------- */ hid_t @@ -243,23 +229,19 @@ done: /*------------------------------------------------------------------------- - * 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. + * Function: H5Fget_obj_count * - * Programmer: Raymond Lu - * Wednesday, Dec 5, 2001 + * 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. *------------------------------------------------------------------------- */ ssize_t H5Fget_obj_count(hid_t file_id, unsigned types) { H5F_t *f = NULL; /* File to query */ - size_t obj_count = 0; /* Number of opened objects */ + size_t obj_count = 0; /* Number of opened objects */ ssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) @@ -284,21 +266,11 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fget_object_ids + * 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. + * Purpose: Public function to return a list of opened object IDs. * + * Return: Non-negative on success; negative on failure. *------------------------------------------------------------------------- */ ssize_t @@ -339,10 +311,6 @@ done: * * Return: Success: non-negative value. * Failure: negative. - * - * Programmer: Raymond Lu - * Sep. 16, 2002 - * *------------------------------------------------------------------------- */ herr_t @@ -372,23 +340,16 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fis_hdf5 - * - * Purpose: Check the file signature to detect an HDF5 file. + * Function: H5Fis_hdf5 * - * Bugs: This function is not robust: it only uses the default file - * driver when attempting to open the file when in fact it - * should use all known file drivers. + * Purpose: Check the file signature to detect an HDF5 file. * - * Return: Success: TRUE/FALSE + * Bugs: This function is not robust: it only uses the default file + * driver when attempting to open the file when in fact it + * should use all known file drivers. * - * Failure: Negative - * - * Programmer: Unknown - * - * Modifications: - * Robb Matzke, 1999-08-02 - * Rewritten to use the virtual file layer. + * Return: Success: TRUE/FALSE + * Failure: Negative *------------------------------------------------------------------------- */ htri_t @@ -414,40 +375,34 @@ done: /*------------------------------------------------------------------------- - * 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 - * + * 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 *------------------------------------------------------------------------- */ hid_t H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id) { - hbool_t ci_load = FALSE; /* whether MDC ci load requested */ - hbool_t ci_write = FALSE; /* whether MDC CI write requested */ - H5F_t *new_file = NULL; /*file struct for new file */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /*dxpl used by library */ - hid_t ret_value; /*return value */ + H5F_t *new_file = NULL; /*file struct for new file */ + 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); @@ -481,7 +436,7 @@ H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id) * reading and writing. */ if (0==(flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC))) - flags |= H5F_ACC_EXCL; /*default*/ + flags |= H5F_ACC_EXCL; /*default*/ flags |= H5F_ACC_RDWR | H5F_ACC_CREAT; /* @@ -490,12 +445,6 @@ H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id) if(NULL == (new_file = H5F_open(filename, flags, fcpl_id, fapl_id, dxpl_id))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to create file") - /* Check to see if both SWMR and cache image are requested. Fail if so */ - if(H5C_cache_image_status(new_file, &ci_load, &ci_write) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get MDC cache image status") - if((ci_load || ci_write) && (flags & (H5F_ACC_SWMR_READ | H5F_ACC_SWMR_WRITE))) - HGOTO_ERROR(H5E_FILE, H5E_UNSUPPORTED, FAIL, "can't have both SWMR and cache image") - /* Get an atom for the file */ if((ret_value = H5I_register(H5I_FILE, new_file, TRUE)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize file") @@ -512,53 +461,48 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fopen + * 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. + * 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. + * See Also: H5Fpublic.h for a list of possible values for FLAGS. * - * Return: Success: A file ID - * - * Failure: FAIL - * - * Programmer: Unknown + * Return: Success: A file ID + * Failure: FAIL * * 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. + * 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) { - hbool_t ci_load = FALSE; /* whether MDC ci load requested */ - hbool_t ci_write = FALSE; /* whether MDC CI write requested */ - H5F_t *new_file = NULL; /*file struct for new file */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /*dxpl used by library */ - hid_t ret_value; /*return value */ + H5F_t *new_file = NULL; /* file struct for new file */ + 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); @@ -585,12 +529,6 @@ H5Fopen(const char *filename, unsigned flags, hid_t fapl_id) if(NULL == (new_file = H5F_open(filename, flags, H5P_FILE_CREATE_DEFAULT, fapl_id, dxpl_id))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to open file") - /* Check to see if both SWMR and cache image are requested. Fail if so */ - if(H5C_cache_image_status(new_file, &ci_load, &ci_write) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get MDC cache image status") - if((ci_load || ci_write) && (flags & (H5F_ACC_SWMR_READ | H5F_ACC_SWMR_WRITE))) - HGOTO_ERROR(H5E_FILE, H5E_UNSUPPORTED, FAIL, "can't have both SWMR and cache image") - /* Get an atom for the file */ if((ret_value = H5I_register(H5I_FILE, new_file, TRUE)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize file handle") @@ -607,25 +545,21 @@ done: /*------------------------------------------------------------------------- - * 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 + * Function: H5Fflush * - * Programmer: Robb Matzke - * Thursday, August 6, 1998 + * 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 *------------------------------------------------------------------------- */ herr_t H5Fflush(hid_t object_id, H5F_scope_t scope) { - H5F_t *f = NULL; /* File to flush */ - H5O_loc_t *oloc = NULL; /* Object location for ID */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t *f = NULL; /* File to flush */ + H5O_loc_t *oloc = NULL; /* Object location for ID */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "iFs", object_id, scope); @@ -638,7 +572,7 @@ H5Fflush(hid_t object_id, H5F_scope_t scope) case H5I_GROUP: { - H5G_t *grp; + H5G_t *grp; if(NULL == (grp = (H5G_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid group identifier") @@ -648,7 +582,7 @@ H5Fflush(hid_t object_id, H5F_scope_t scope) case H5I_DATATYPE: { - H5T_t *type; + H5T_t *type; if(NULL == (type = (H5T_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid type identifier") @@ -658,7 +592,7 @@ H5Fflush(hid_t object_id, H5F_scope_t scope) case H5I_DATASET: { - H5D_t *dset; + H5D_t *dset; if(NULL == (dset = (H5D_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid dataset identifier") @@ -668,7 +602,7 @@ H5Fflush(hid_t object_id, H5F_scope_t scope) case H5I_ATTR: { - H5A_t *attr; + H5A_t *attr; if(NULL == (attr = (H5A_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid attribute identifier") @@ -701,7 +635,7 @@ H5Fflush(hid_t object_id, H5F_scope_t scope) /* Flush the file */ /* - * Nothing to do if the file is read only. This determination is + * Nothing to do if the file is read only. This determination is * made at the shared open(2) flags level, implying that opening a * file twice, once for read-only and once for read-write, and then * calling H5Fflush() with the read-only handle, still causes data @@ -727,24 +661,17 @@ done: /*------------------------------------------------------------------------- - * 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 + * Function: H5Fclose * - * Failure: Negative - * - * Programmer: Robb Matzke - * Saturday, February 20, 1999 - * - * Modifications: + * 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 @@ -752,7 +679,7 @@ H5Fclose(hid_t file_id) { H5F_t *f = NULL; int nref; - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); @@ -788,29 +715,24 @@ done: /*------------------------------------------------------------------------- - * Function: H5Freopen + * 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 + * 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 *------------------------------------------------------------------------- */ hid_t H5Freopen(hid_t file_id) { - H5F_t *old_file = NULL; - H5F_t *new_file = NULL; - hid_t ret_value; + H5F_t *old_file = NULL; + H5F_t *new_file = NULL; + hid_t ret_value; FUNC_ENTER_API(FAIL) H5TRACE1("i", "i", file_id); @@ -844,16 +766,12 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fget_intent - * - * Purpose: Public API to retrieve the file's 'intent' flags passed - * during H5Fopen() - * - * Return: Non-negative on success/negative on failure + * Function: H5Fget_intent * - * Programmer: James Laird - * August 23, 2006 + * Purpose: Public API to retrieve the file's 'intent' flags passed + * during H5Fopen() * + * Return: Non-negative on success/negative on failure *------------------------------------------------------------------------- */ herr_t @@ -866,7 +784,7 @@ H5Fget_intent(hid_t file_id, unsigned *intent_flags) /* If no intent flags were passed in, exit quietly */ if(intent_flags) { - H5F_t * file; /* Pointer to file structure */ + H5F_t *file; /* Pointer to file structure */ /* Get the internal file structure */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) @@ -904,18 +822,13 @@ done: * * 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) { H5F_t *file; /* File object for file ID */ - hsize_t tot_space; /* Amount of free space in the file */ + hsize_t tot_space; /* Amount of free space in the file */ hssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) @@ -941,15 +854,10 @@ done: * * 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. + * 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 @@ -988,42 +896,38 @@ done: /*------------------------------------------------------------------------- * 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. + * 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. + * 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. + * 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. + * 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. + * 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 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. + * 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 @@ -1049,21 +953,17 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fget_mdc_config + * Function: H5Fget_mdc_config * - * Purpose: Retrieves the current automatic cache resize configuration - * from the metadata cache, and return it in *config_ptr. + * 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 + * 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 *------------------------------------------------------------------------- */ herr_t @@ -1094,15 +994,11 @@ done: * 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. + * 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 @@ -1131,16 +1027,12 @@ done: * 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. + * 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 @@ -1172,17 +1064,13 @@ done: * 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. + * 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 @@ -1218,20 +1106,16 @@ done: * 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. + * 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. + * 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 @@ -1267,15 +1151,11 @@ done: * 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. + * 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 @@ -1325,17 +1205,13 @@ done: * Function: H5Fget_info2 * * Purpose: Gets general information about the file, including: - * 1. Get storage size for superblock extension if there is one. + * 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. + * 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 @@ -1402,18 +1278,15 @@ done: * * Return: Success: non-negative on success * Failure: Negative - * - * Programmer: Vailin Choi; October 2013 - * *------------------------------------------------------------------------- */ herr_t H5Fget_metadata_read_retry_info(hid_t file_id, H5F_retry_info_t *info) { - H5F_t *file; /* File object for file ID */ - unsigned i, j; /* Local index variable */ - size_t tot_size; /* Size of each retries[i] */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t *file; /* File object for file ID */ + unsigned i, j; /* Local index variable */ + size_t tot_size; /* Size of each retries[i] */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, info); @@ -1433,8 +1306,8 @@ H5Fget_metadata_read_retry_info(hid_t file_id, H5F_retry_info_t *info) HDmemset(info->retries, 0, sizeof(info->retries)); /* Return if there are no bins -- no retries */ - if(!info->nbins) - HGOTO_DONE(SUCCEED); + if(!info->nbins) + HGOTO_DONE(SUCCEED); /* Calculate size for each retries[i] */ tot_size = info->nbins * sizeof(uint32_t); @@ -1493,18 +1366,15 @@ done: /*------------------------------------------------------------------------- - * 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 + * Function: H5Fget_free_sections * - * Programmer: Vailin Choi; July 1st, 2009 + * 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 *------------------------------------------------------------------------- */ ssize_t @@ -1541,9 +1411,6 @@ done: * * Return: Success: non-negative * Failure: negative - * - * Programmer: Neil Fortner; December 30, 2010 - * *------------------------------------------------------------------------- */ herr_t @@ -1570,37 +1437,33 @@ done: /*------------------------------------------------------------------------- - * 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: Non-negative on success/negative on failure - * - * Programmer: - * Vailin Choi; Feb 2014 - * + * 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: Non-negative on success/negative on failure *------------------------------------------------------------------------- */ herr_t @@ -1609,16 +1472,16 @@ H5Fstart_swmr_write(hid_t file_id) hbool_t ci_load = FALSE; /* whether MDC ci load requested */ hbool_t ci_write = FALSE; /* whether MDC CI write requested */ H5F_t *file = NULL; /* File info */ - size_t grp_dset_count=0; /* # of open objects: groups & datasets */ - size_t nt_attr_count=0; /* # of opened named datatypes + opened attributes */ - hid_t *obj_ids=NULL; /* List of ids */ - H5G_loc_t *obj_glocs=NULL; /* Group location of the object */ - H5O_loc_t *obj_olocs=NULL; /* Object location */ - H5G_name_t *obj_paths=NULL; /* Group hierarchy path */ - size_t u; /* Local index variable */ - hbool_t setup = FALSE; /* Boolean flag to indicate whether SWMR setting is enabled */ + size_t grp_dset_count=0; /* # of open objects: groups & datasets */ + size_t nt_attr_count=0; /* # of opened named datatypes + opened attributes */ + hid_t *obj_ids=NULL; /* List of ids */ + H5G_loc_t *obj_glocs=NULL; /* Group location of the object */ + H5O_loc_t *obj_olocs=NULL; /* Object location */ + H5G_name_t *obj_paths=NULL; /* Group hierarchy path */ + size_t u; /* Local index variable */ + hbool_t setup = FALSE; /* Boolean flag to indicate whether SWMR setting is enabled */ H5F_io_info2_t fio_info; /* I/O info for operation */ - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); @@ -1648,7 +1511,7 @@ H5Fstart_swmr_write(hid_t file_id) /* Flush the superblock extension */ if(H5F_flush_tagged_metadata(file, file->shared->sblock->ext_addr, H5AC_ind_read_dxpl_id) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, NULL, "unable to flush superblock extension") + HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush superblock extension") /* Flush data buffers */ if(H5F__flush(file, H5AC_ind_read_dxpl_id, H5AC_rawdata_dxpl_id, FALSE) < 0) @@ -1666,18 +1529,18 @@ H5Fstart_swmr_write(hid_t file_id) if(grp_dset_count) { /* Allocate space for group and object locations */ - if((obj_ids = (hid_t *) H5MM_malloc(grp_dset_count * sizeof(hid_t))) == NULL) - HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for hid_t") - if((obj_glocs = (H5G_loc_t *) H5MM_malloc(grp_dset_count * sizeof(H5G_loc_t))) == NULL) - HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for H5G_loc_t") - if((obj_olocs = (H5O_loc_t *) H5MM_malloc(grp_dset_count * sizeof(H5O_loc_t))) == NULL) - HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for H5O_loc_t") - if((obj_paths = (H5G_name_t *) H5MM_malloc(grp_dset_count * sizeof(H5G_name_t))) == NULL) - HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for H5G_name_t") + if((obj_ids = (hid_t *) H5MM_malloc(grp_dset_count * sizeof(hid_t))) == NULL) + HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for hid_t") + if((obj_glocs = (H5G_loc_t *) H5MM_malloc(grp_dset_count * sizeof(H5G_loc_t))) == NULL) + HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for H5G_loc_t") + if((obj_olocs = (H5O_loc_t *) H5MM_malloc(grp_dset_count * sizeof(H5O_loc_t))) == NULL) + HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for H5O_loc_t") + if((obj_paths = (H5G_name_t *) H5MM_malloc(grp_dset_count * sizeof(H5G_name_t))) == NULL) + HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for H5G_name_t") /* Get the list of opened object ids (groups & datasets) */ - if(H5F_get_obj_ids(file, H5F_OBJ_GROUP|H5F_OBJ_DATASET, grp_dset_count, obj_ids, FALSE, &grp_dset_count) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "H5F_get_obj_ids failed") + if(H5F_get_obj_ids(file, H5F_OBJ_GROUP|H5F_OBJ_DATASET, grp_dset_count, obj_ids, FALSE, &grp_dset_count) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "H5F_get_obj_ids failed") /* Refresh opened objects (groups, datasets) in the file */ for(u = 0; u < grp_dset_count; u++) { @@ -1805,14 +1668,13 @@ done: * - Logging must have been set up via the fapl. * * Return: Non-negative on success/Negative on errors - * *------------------------------------------------------------------------- */ herr_t H5Fstart_mdc_logging(hid_t file_id) { - H5F_t *file; /* File info */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t *file; /* File info */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); @@ -1838,14 +1700,13 @@ done: * - Logging must have been set up via the fapl. * * Return: Non-negative on success/Negative on errors - * *------------------------------------------------------------------------- */ herr_t H5Fstop_mdc_logging(hid_t file_id) { - H5F_t *file; /* File info */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t *file; /* File info */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); @@ -1871,15 +1732,14 @@ done: * log messages are being recorded at this time. * * Return: Non-negative on success/Negative on errors - * *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_logging_status(hid_t file_id, hbool_t *is_enabled, hbool_t *is_currently_logging) { - H5F_t *file; /* File info */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t *file; /* 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); @@ -1903,9 +1763,6 @@ done: * Purpose: Set .... the "latest format" flag while a file is open. * * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * Monday, September 21, 2015 *------------------------------------------------------------------------- */ herr_t @@ -1934,17 +1791,13 @@ done: /*------------------------------------------------------------------------- - * Function: H5Fformat_convert_super (Internal) + * Function: H5Fformat_convert_super (Internal) * - * Purpose: Downgrade the superblock version to v2 and - * downgrade persistent file space to non-persistent - * for 1.8 library. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Vailin Choi - * Jan 2016 + * Purpose: Downgrade the superblock version to v2 and + * downgrade persistent file space to non-persistent + * for 1.8 library. * + * Return: Non-negative on success/Negative on failure *------------------------------------------------------------------------- */ herr_t @@ -1956,8 +1809,8 @@ H5Fformat_convert(hid_t fid) H5TRACE1("e", "i", fid); if(H5I_FILE == H5I_get_type(fid)) { - H5F_t *f; /* File to flush */ - hbool_t mark_dirty = FALSE; + H5F_t *f; /* File to flush */ + hbool_t mark_dirty = FALSE; /* Get file object */ if(NULL == (f = (H5F_t *)H5I_object(fid))) @@ -1971,9 +1824,9 @@ H5Fformat_convert(hid_t fid) /* Check for persistent freespace manager, which needs to be downgraded */ if(!(f->shared->fs_strategy == H5F_FILE_SPACE_STRATEGY_DEF && - f->shared->fs_persist == H5F_FREE_SPACE_PERSIST_DEF && - f->shared->fs_threshold == H5F_FREE_SPACE_THRESHOLD_DEF && - f->shared->fs_page_size == H5F_FILE_SPACE_PAGE_SIZE_DEF)) { + f->shared->fs_persist == H5F_FREE_SPACE_PERSIST_DEF && + f->shared->fs_threshold == H5F_FREE_SPACE_THRESHOLD_DEF && + f->shared->fs_page_size == H5F_FILE_SPACE_PAGE_SIZE_DEF)) { /* Check to remove free-space manager info message from superblock extension */ if(H5F_addr_defined(f->shared->sblock->ext_addr)) if(H5F_super_ext_remove_msg(f, H5AC_ind_read_dxpl_id, H5O_FSINFO_ID) < 0) @@ -2014,9 +1867,6 @@ done: * * Return: Success: SUCCEED * Failure: FAIL - * - * Programmer: Mohamad Chaarawi - * *------------------------------------------------------------------------- */ herr_t @@ -2050,9 +1900,6 @@ done: * * Return: Success: SUCCEED * Failure: FAIL - * - * Programmer: Mohamad Chaarawi - * *------------------------------------------------------------------------- */ herr_t @@ -2094,9 +1941,6 @@ done: * * Return: Success: SUCCEED * Failure: FAIL - * - * Programmer: Vailin Choi; March 2017 - * *------------------------------------------------------------------------- */ herr_t |