diff options
Diffstat (limited to 'src/H5Pfapl.c')
| -rw-r--r-- | src/H5Pfapl.c | 92 |
1 files changed, 90 insertions, 2 deletions
diff --git a/src/H5Pfapl.c b/src/H5Pfapl.c index a416b00..adae24f 100644 --- a/src/H5Pfapl.c +++ b/src/H5Pfapl.c @@ -160,7 +160,11 @@ #define H5F_ACS_FILE_IMAGE_INFO_DEL H5P_file_image_info_del #define H5F_ACS_FILE_IMAGE_INFO_COPY H5P_file_image_info_copy #define H5F_ACS_FILE_IMAGE_INFO_CLOSE H5P_file_image_info_close - +/* Definition for # of read attempts */ +#define H5F_ACS_READ_ATTEMPTS_SIZE sizeof(unsigned) +#define H5F_ACS_READ_ATTEMPTS_DEF 0 +#define H5F_ACS_READ_ATTEMPTS_ENC H5P__encode_unsigned +#define H5F_ACS_READ_ATTEMPTS_DEC H5P__decode_unsigned /******************/ /* Local Typedefs */ @@ -247,7 +251,7 @@ static const hbool_t H5F_def_latest_format_g = H5F_ACS_LATEST_FORMAT_DEF; static const hbool_t H5F_def_want_posix_fd_g = H5F_ACS_WANT_POSIX_FD_DEF; /* Default setting for retrieving 'handle' from core VFD */ static const unsigned H5F_def_efc_size_g = H5F_ACS_EFC_SIZE_DEF; /* Default external file cache size */ static const H5FD_file_image_info_t H5F_def_file_image_info_g = H5F_ACS_FILE_IMAGE_INFO_DEF; /* Default file image info and callbacks */ - +static const unsigned H5F_def_read_attempts_g = H5F_ACS_READ_ATTEMPTS_DEF; /* Default setting for the # of read attempts */ /*------------------------------------------------------------------------- @@ -397,6 +401,11 @@ H5P_facc_reg_prop(H5P_genclass_t *pclass) H5F_ACS_FILE_IMAGE_INFO_DEL, H5F_ACS_FILE_IMAGE_INFO_COPY, NULL, H5F_ACS_FILE_IMAGE_INFO_CLOSE) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the # of read attempts */ + if(H5P_register_real(pclass, H5F_ACS_READ_ATTEMPTS_NAME, H5F_ACS_READ_ATTEMPTS_SIZE, &H5F_def_read_attempts_g, + NULL, NULL, NULL, H5F_ACS_READ_ATTEMPTS_ENC, H5F_ACS_READ_ATTEMPTS_DEC, + NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5P_facc_reg_prop() */ @@ -2980,3 +2989,82 @@ H5P__facc_multi_type_dec(const void **_pp, void *_value) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5P__facc_multi_type_dec() */ + +/*------------------------------------------------------------------------- + * Function: H5Pset_read_attempts + * + * Purpose: Sets the # of read attempts in the file access property list + * when reading metadata with checksum. + * The # of read attempts set via this routine will apply only + * when opening file with SWMR access. When opening file with + * non-SWMR access, the # of read attempts will always be 1. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Vailin Choi; Sept 2013 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pset_read_attempts(hid_t plist_id, unsigned attempts) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "iIu", plist_id, attempts); + + /* Cannot set the # of attempts to 0 */ + if(attempts <= 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "number of attempts must be greater than 0"); + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Set values */ + if(H5P_set(plist, H5F_ACS_READ_ATTEMPTS_NAME, &attempts) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set # of read attempts") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Pset_read_attempts() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pget_read_attempts + * + * Purpose: Returns the # of read attempts set in the file access property list. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Vailin Choi; Sept 2013 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pget_read_attempts(hid_t plist_id, unsigned *attempts/*out*/) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ix", plist_id, attempts); + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Get values */ + if(attempts) { + /* Get the # of read attempts set */ + if(H5P_get(plist, H5F_ACS_READ_ATTEMPTS_NAME, attempts) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get alignment") + /* If not set, return the default value */ + if(*attempts == H5F_ACS_READ_ATTEMPTS_DEF) /* 0 */ + *attempts = H5F_READ_ATTEMPTS; + } + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pget_read_attempts() */ |