diff options
Diffstat (limited to 'src/H5FDcore.c')
| -rw-r--r-- | src/H5FDcore.c | 85 |
1 files changed, 50 insertions, 35 deletions
diff --git a/src/H5FDcore.c b/src/H5FDcore.c index 50288c4..0604316 100644 --- a/src/H5FDcore.c +++ b/src/H5FDcore.c @@ -149,8 +149,11 @@ static herr_t H5FD__core_truncate(H5FD_t *_file, hid_t dxpl_id, hbool_t closing static herr_t H5FD__core_lock(H5FD_t *_file, hbool_t rw); static herr_t H5FD__core_unlock(H5FD_t *_file); static herr_t H5FD__core_delete(const char *filename, hid_t fapl_id); +static inline const H5FD_core_fapl_t *H5FD__core_get_default_config(void); static const H5FD_class_t H5FD_core_g = { + H5FD_CLASS_VERSION, /* struct version */ + H5FD_CORE_VALUE, /* value */ "core", /* name */ MAXADDR, /* maxaddr */ H5F_CLOSE_WEAK, /* fc_degree */ @@ -178,14 +181,24 @@ static const H5FD_class_t H5FD_core_g = { H5FD__core_get_handle, /* get_handle */ H5FD__core_read, /* read */ H5FD__core_write, /* write */ + NULL, /* read_vector */ + NULL, /* write_vector */ + NULL, /* read_selection */ + NULL, /* write_selection */ H5FD__core_flush, /* flush */ H5FD__core_truncate, /* truncate */ H5FD__core_lock, /* lock */ H5FD__core_unlock, /* unlock */ H5FD__core_delete, /* del */ + NULL, /* ctl */ H5FD_FLMAP_DICHOTOMY /* fl_map */ }; +/* Default configurations, if none provided */ +static const H5FD_core_fapl_t H5FD_core_default_config_g = { + (size_t)H5_MB, TRUE, H5FD_CORE_WRITE_TRACKING_FLAG, H5FD_CORE_WRITE_TRACKING_PAGE_SIZE}; +static const H5FD_core_fapl_t H5FD_core_default_paged_config_g = {(size_t)H5_MB, TRUE, TRUE, (size_t)4096}; + /* Define a free list to manage the region type */ H5FL_DEFINE(H5FD_core_region_t); @@ -390,7 +403,7 @@ H5FD__core_write_to_bstore(H5FD_core_t *file, haddr_t addr, size_t size) "write to backing store failed: time = %s, filename = '%s', file descriptor = %d, " "errno = %d, error message = '%s', ptr = %p, total write size = %llu, bytes this " "sub-write = %llu, bytes actually written = %llu, offset = %llu", - HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), ptr, + HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), (void *)ptr, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_wrote, (unsigned long long)offset); } /* end if */ @@ -408,37 +421,30 @@ done: } /* end H5FD__core_write_to_bstore() */ /*------------------------------------------------------------------------- - * Function: H5FD__init_package + * Function: H5FD__core_get_default_config * - * Purpose: Initializes any interface-specific data or routines. + * Purpose: Retrieves a default configuration for this VFD when no + * configuration information has been provided. * - * Return: Non-negative on success/Negative on failure + * Return: Valid Core VFD configuration information pointer (can't + * fail) * *------------------------------------------------------------------------- */ -static herr_t -H5FD__init_package(void) +static inline const H5FD_core_fapl_t * +H5FD__core_get_default_config(void) { - char * lock_env_var = NULL; /* Environment variable pointer */ - herr_t ret_value = SUCCEED; - - FUNC_ENTER_STATIC + char *driver = HDgetenv(HDF5_DRIVER); - /* Check the use disabled file locks environment variable */ - lock_env_var = HDgetenv("HDF5_USE_FILE_LOCKING"); - if (lock_env_var && !HDstrcmp(lock_env_var, "BEST_EFFORT")) - ignore_disabled_file_locks_s = TRUE; /* Override: Ignore disabled locks */ - else if (lock_env_var && (!HDstrcmp(lock_env_var, "TRUE") || !HDstrcmp(lock_env_var, "1"))) - ignore_disabled_file_locks_s = FALSE; /* Override: Don't ignore disabled locks */ - else - ignore_disabled_file_locks_s = FAIL; /* Environment variable not set, or not set correctly */ - - if (H5FD_core_init() < 0) - HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "unable to initialize core VFD") + if (driver) { + if (!HDstrcmp(driver, "core")) + return &H5FD_core_default_config_g; + else if (!HDstrcmp(driver, "core_paged")) + return &H5FD_core_default_paged_config_g; + } -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* H5FD__init_package() */ + return &H5FD_core_default_config_g; +} /* end H5FD__core_get_default_config() */ /*------------------------------------------------------------------------- * Function: H5FD_core_init @@ -457,9 +463,19 @@ done: hid_t H5FD_core_init(void) { - hid_t ret_value = H5I_INVALID_HID; /* Return value */ + char *lock_env_var = NULL; /* Environment variable pointer */ + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_NOAPI(H5I_INVALID_HID) + FUNC_ENTER_NOAPI_NOERR + + /* Check the use disabled file locks environment variable */ + lock_env_var = HDgetenv(HDF5_USE_FILE_LOCKING); + if (lock_env_var && !HDstrcmp(lock_env_var, "BEST_EFFORT")) + ignore_disabled_file_locks_s = TRUE; /* Override: Ignore disabled locks */ + else if (lock_env_var && (!HDstrcmp(lock_env_var, "TRUE") || !HDstrcmp(lock_env_var, "1"))) + ignore_disabled_file_locks_s = FALSE; /* Override: Don't ignore disabled locks */ + else + ignore_disabled_file_locks_s = FAIL; /* Environment variable not set, or not set correctly */ if (H5I_VFL != H5I_get_type(H5FD_CORE_g)) H5FD_CORE_g = H5FD_register(&H5FD_core_g, sizeof(H5FD_class_t), FALSE); @@ -467,7 +483,6 @@ H5FD_core_init(void) /* Set return value */ ret_value = H5FD_CORE_g; -done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5FD_core_init() */ @@ -528,7 +543,7 @@ H5Pset_core_write_tracking(hid_t plist_id, hbool_t is_enabled, size_t page_size) if (H5FD_CORE != H5P_peek_driver(plist)) HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "incorrect VFL driver") if (NULL == (old_fa = (const H5FD_core_fapl_t *)H5P_peek_driver_info(plist))) - HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "bad VFL driver info") + old_fa = H5FD__core_get_default_config(); /* Set VFD info values */ HDmemset(&fa, 0, sizeof(H5FD_core_fapl_t)); @@ -538,7 +553,7 @@ H5Pset_core_write_tracking(hid_t plist_id, hbool_t is_enabled, size_t page_size) fa.page_size = page_size; /* Set the property values & the driver for the FAPL */ - if (H5P_set_driver(plist, H5FD_CORE, &fa) < 0) + if (H5P_set_driver(plist, H5FD_CORE, &fa, NULL) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set core VFD as driver") done: @@ -622,7 +637,7 @@ H5Pset_fapl_core(hid_t fapl_id, size_t increment, hbool_t backing_store) fa.page_size = H5FD_CORE_WRITE_TRACKING_PAGE_SIZE; /* Set the property values & the driver for the FAPL */ - if (H5P_set_driver(plist, H5FD_CORE, &fa) < 0) + if (H5P_set_driver(plist, H5FD_CORE, &fa, NULL) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set core VFD as driver") done: @@ -747,7 +762,7 @@ H5FD__core_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file access property list") if (NULL == (fa = (const H5FD_core_fapl_t *)H5P_peek_driver_info(plist))) - HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, NULL, "bad VFL driver info") + fa = H5FD__core_get_default_config(); /* Build the open flags */ o_flags = (H5F_ACC_RDWR & flags) ? O_RDWR : O_RDONLY; @@ -918,8 +933,8 @@ H5FD__core_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr "file read failed: time = %s, filename = '%s', file descriptor = %d, errno = %d, " "error message = '%s', file->mem = %p, total read size = %llu, bytes this " "sub-read = %llu, bytes actually read = %llu, offset = %llu", - HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), file->mem, - (unsigned long long)size, (unsigned long long)bytes_in, + HDctime(&mytime), file->name, file->fd, myerrno, HDstrerror(myerrno), + (void *)file->mem, (unsigned long long)size, (unsigned long long)bytes_in, (unsigned long long)bytes_read, (unsigned long long)offset); } /* end if */ @@ -1512,7 +1527,7 @@ done: * Addendum -- 12/2/11 * For file images opened with the core file driver, it is * necessary that we avoid reallocating the core file driver's - * buffer uneccessarily. + * buffer unnecessarily. * * To this end, I have made the following functional changes * to this function. @@ -1734,7 +1749,7 @@ H5FD__core_delete(const char *filename, hid_t fapl_id) if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") if (NULL == (fa = (const H5FD_core_fapl_t *)H5P_peek_driver_info(plist))) - HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "bad VFL driver info") + fa = H5FD__core_get_default_config(); if (fa->backing_store) if (HDremove(filename) < 0) |