diff options
Diffstat (limited to 'src/H5Fmount.c')
| -rw-r--r-- | src/H5Fmount.c | 351 |
1 files changed, 171 insertions, 180 deletions
diff --git a/src/H5Fmount.c b/src/H5Fmount.c index 9d32fa5..20c243e 100644 --- a/src/H5Fmount.c +++ b/src/H5Fmount.c @@ -11,25 +11,23 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -#include "H5Fmodule.h" /* This source code file is part of the H5F module */ - +#include "H5Fmodule.h" /* This source code file is part of the H5F module */ /* Packages needed by this file... */ -#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 "H5Gprivate.h" /* Groups */ -#include "H5Iprivate.h" /* IDs */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Pprivate.h" /* Property lists */ -#include "H5VLprivate.h" /* Virtual Object Layer */ +#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 "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5VLprivate.h" /* Virtual Object Layer */ /* PRIVATE PROTOTYPES */ static void H5F__mount_count_ids_recurse(H5F_t *f, unsigned *nopen_files, unsigned *nopen_objs); - /*------------------------------------------------------------------------- * Function: H5F__close_mounts * @@ -45,8 +43,8 @@ static void H5F__mount_count_ids_recurse(H5F_t *f, unsigned *nopen_files, unsign herr_t H5F__close_mounts(H5F_t *f) { - unsigned u; /* Local index */ - herr_t ret_value = SUCCEED; /* Return value */ + unsigned u; /* Local index */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -58,21 +56,21 @@ H5F__close_mounts(H5F_t *f) */ for (u = f->shared->mtab.nmounts - 1; u < f->shared->mtab.nmounts; u--) { /* Only unmount children mounted to this top level file structure */ - if(f->shared->mtab.child[u].file->parent == f) { + if (f->shared->mtab.child[u].file->parent == f) { /* Detach the child file from the parent file */ f->shared->mtab.child[u].file->parent = NULL; /* Close the internal group maintaining the mount point */ - if(H5G_close(f->shared->mtab.child[u].group) < 0) + if (H5G_close(f->shared->mtab.child[u].group) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "can't close child group") /* Close the child file */ - if(H5F_try_close(f->shared->mtab.child[u].file, NULL) < 0) + if (H5F_try_close(f->shared->mtab.child[u].file, NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "can't close child file") /* Eliminate the mount point from the table */ HDmemmove(f->shared->mtab.child + u, f->shared->mtab.child + u + 1, - (f->shared->mtab.nmounts - u - 1) * sizeof(f->shared->mtab.child[0])); + (f->shared->mtab.nmounts - u - 1) * sizeof(f->shared->mtab.child[0])); f->shared->mtab.nmounts--; f->nmounts--; } @@ -84,7 +82,6 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F__close_mounts() */ - /*------------------------------------------------------------------------- * Function: H5F__mount * @@ -102,16 +99,16 @@ done: herr_t H5F__mount(H5G_loc_t *loc, const char *name, H5F_t *child, hid_t H5_ATTR_UNUSED plist_id) { - H5G_t *mount_point = NULL; /*mount point group */ - H5F_t *ancestor = NULL; /*ancestor files */ - H5F_t *parent = NULL; /*file containing mount point */ - unsigned lt, rt, md; /*binary search indices */ - int cmp; /*binary search comparison value*/ - H5G_loc_t mp_loc; /* entry of moint point to be opened */ - H5G_name_t mp_path; /* Mount point group hier. path */ - H5O_loc_t mp_oloc; /* Mount point object location */ - H5G_loc_t root_loc; /* Group location of root of file to mount */ - herr_t ret_value = SUCCEED; /* Return value */ + H5G_t * mount_point = NULL; /*mount point group */ + H5F_t * ancestor = NULL; /*ancestor files */ + H5F_t * parent = NULL; /*file containing mount point */ + unsigned lt, rt, md; /*binary search indices */ + int cmp; /*binary search comparison value*/ + H5G_loc_t mp_loc; /* entry of moint point to be opened */ + H5G_name_t mp_path; /* Mount point group hier. path */ + H5O_loc_t mp_oloc; /* Mount point object location */ + H5G_loc_t root_loc; /* Group location of root of file to mount */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -131,24 +128,24 @@ H5F__mount(H5G_loc_t *loc, const char *name, H5F_t *child, hid_t H5_ATTR_UNUSED * the parent & child files have the same file close degree, and * that the mount wouldn't introduce a cycle in the mount tree. */ - if(child->parent) + if (child->parent) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "file is already mounted") - if(H5G_loc_find(loc, name, &mp_loc) < 0) + if (H5G_loc_find(loc, name, &mp_loc) < 0) HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group not found") /* If the mount location is holding its file open, that file will close * and remove the mount as soon as we exit this function. Prevent the * user from doing this. */ - if(mp_loc.oloc->holding_file != FALSE) + if (mp_loc.oloc->holding_file != FALSE) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mount path cannot contain links to external files") /* Open the mount point group */ - if(NULL == (mount_point = H5G_open(&mp_loc))) + if (NULL == (mount_point = H5G_open(&mp_loc))) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mount point not found") /* Check if the proposed mount point group is already a mount point */ - if(H5G_MOUNTED(mount_point)) - HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mount point is already in use") + if (H5G_MOUNTED(mount_point)) + HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mount point is already in use") /* Retrieve information from the mount point group */ /* (Some of which we had before but was reset in mp_loc when the group @@ -160,13 +157,13 @@ H5F__mount(H5G_loc_t *loc, const char *name, H5F_t *child, hid_t H5_ATTR_UNUSED HDassert(mp_loc.oloc); mp_loc.path = H5G_nameof(mount_point); HDassert(mp_loc.path); - for(ancestor = parent; ancestor; ancestor = ancestor->parent) { - if(ancestor->shared == child->shared) + for (ancestor = parent; ancestor; ancestor = ancestor->parent) { + if (ancestor->shared == child->shared) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mount would introduce a cycle") } /* Make certain that the parent & child files have the same "file close degree" */ - if(parent->shared->fc_degree != child->shared->fc_degree) + if (parent->shared->fc_degree != child->shared->fc_degree) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mounted file has different file close degree than parent") /* @@ -175,68 +172,69 @@ H5F__mount(H5G_loc_t *loc, const char *name, H5F_t *child, hid_t H5_ATTR_UNUSED * `md' will be the index where the child should be inserted. */ lt = md = 0; - rt = parent->shared->mtab.nmounts; - cmp = -1; - while(lt < rt && cmp) { - H5O_loc_t *oloc; /*temporary symbol table entry */ + rt = parent->shared->mtab.nmounts; + cmp = -1; + while (lt < rt && cmp) { + H5O_loc_t *oloc; /*temporary symbol table entry */ - md = (lt + rt) / 2; + md = (lt + rt) / 2; oloc = H5G_oloc(parent->shared->mtab.child[md].group); - cmp = H5F_addr_cmp(mp_loc.oloc->addr, oloc->addr); - if(cmp < 0) + cmp = H5F_addr_cmp(mp_loc.oloc->addr, oloc->addr); + if (cmp < 0) rt = md; - else if(cmp > 0) + else if (cmp > 0) lt = md + 1; } - if(cmp > 0) + if (cmp > 0) md++; - if(!cmp) + if (!cmp) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "mount point is already in use") /* Make room in the table */ - if(parent->shared->mtab.nmounts >= parent->shared->mtab.nalloc) { - unsigned n = MAX(16, 2 * parent->shared->mtab.nalloc); - H5F_mount_t *x = (H5F_mount_t *)H5MM_realloc(parent->shared->mtab.child, n * sizeof(parent->shared->mtab.child[0])); + if (parent->shared->mtab.nmounts >= parent->shared->mtab.nalloc) { + unsigned n = MAX(16, 2 * parent->shared->mtab.nalloc); + H5F_mount_t *x = (H5F_mount_t *)H5MM_realloc(parent->shared->mtab.child, + n * sizeof(parent->shared->mtab.child[0])); - if(!x) + if (!x) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for mount table") - parent->shared->mtab.child = x; + parent->shared->mtab.child = x; parent->shared->mtab.nalloc = n; } /* Insert into table */ HDmemmove(parent->shared->mtab.child + md + 1, parent->shared->mtab.child + md, - (parent->shared->mtab.nmounts-md) * sizeof(parent->shared->mtab.child[0])); + (parent->shared->mtab.nmounts - md) * sizeof(parent->shared->mtab.child[0])); parent->shared->mtab.nmounts++; parent->nmounts++; parent->shared->mtab.child[md].group = mount_point; - parent->shared->mtab.child[md].file = child; - child->parent = parent; + parent->shared->mtab.child[md].file = child; + child->parent = parent; /* Set the group's mountpoint flag */ - if(H5G_mount(parent->shared->mtab.child[md].group) < 0) + if (H5G_mount(parent->shared->mtab.child[md].group) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to set group mounted flag") /* Get the group location for the root group in the file to unmount */ - if(NULL == (root_loc.oloc = H5G_oloc(child->shared->root_grp))) + if (NULL == (root_loc.oloc = H5G_oloc(child->shared->root_grp))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location for root group") - if(NULL == (root_loc.path = H5G_nameof(child->shared->root_grp))) + if (NULL == (root_loc.path = H5G_nameof(child->shared->root_grp))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path for root group") /* Search the open IDs and replace names for mount operation */ /* We pass H5G_UNKNOWN as object type; search all IDs */ - if(H5G_name_replace(NULL, H5G_NAME_MOUNT, mp_loc.oloc->file, - mp_loc.path->full_path_r, root_loc.oloc->file, root_loc.path->full_path_r) < 0) + if (H5G_name_replace(NULL, H5G_NAME_MOUNT, mp_loc.oloc->file, mp_loc.path->full_path_r, + root_loc.oloc->file, root_loc.path->full_path_r) < 0) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to replace name") done: - if(ret_value < 0) { - if(mount_point) { - if(H5G_close(mount_point) < 0) + if (ret_value < 0) { + if (mount_point) { + if (H5G_close(mount_point) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to close mounted group") } else { - if(H5G_loc_free(&mp_loc) < 0) + if (H5G_loc_free(&mp_loc) < 0) HDONE_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "unable to free mount location") } } @@ -244,7 +242,6 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F__mount() */ - /*------------------------------------------------------------------------- * Function: H5F__unmount * @@ -266,17 +263,17 @@ done: herr_t H5F__unmount(H5G_loc_t *loc, const char *name) { - H5G_t *child_group = NULL; /* Child's group in parent mtab */ - H5F_t *child = NULL; /*mounted file */ - H5F_t *parent = NULL; /*file where mounted */ - H5O_loc_t *mnt_oloc; /* symbol table entry for root of mounted file */ - H5G_name_t mp_path; /* Mount point group hier. path */ - H5O_loc_t mp_oloc; /* Mount point object location */ - H5G_loc_t mp_loc; /* entry used to open mount point*/ - hbool_t mp_loc_setup = FALSE; /* Whether mount point location is set up */ - H5G_loc_t root_loc; /* Group location of root of file to unmount */ - int child_idx; /* Index of child in parent's mtab */ - herr_t ret_value = SUCCEED; /*return value */ + H5G_t * child_group = NULL; /* Child's group in parent mtab */ + H5F_t * child = NULL; /*mounted file */ + H5F_t * parent = NULL; /*file where mounted */ + H5O_loc_t *mnt_oloc; /* symbol table entry for root of mounted file */ + H5G_name_t mp_path; /* Mount point group hier. path */ + H5O_loc_t mp_oloc; /* Mount point object location */ + H5G_loc_t mp_loc; /* entry used to open mount point*/ + hbool_t mp_loc_setup = FALSE; /* Whether mount point location is set up */ + H5G_loc_t root_loc; /* Group location of root of file to unmount */ + int child_idx; /* Index of child in parent's mtab */ + herr_t ret_value = SUCCEED; /*return value */ FUNC_ENTER_PACKAGE @@ -293,23 +290,23 @@ H5F__unmount(H5G_loc_t *loc, const char *name) * If we get the root group and the file has a parent in the mount tree, * then we must have found the mount point. */ - if(H5G_loc_find(loc, name, &mp_loc/*out*/) < 0) + if (H5G_loc_find(loc, name, &mp_loc /*out*/) < 0) HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group not found") mp_loc_setup = TRUE; - child = mp_loc.oloc->file; - mnt_oloc = H5G_oloc(child->shared->root_grp); - child_idx = -1; + child = mp_loc.oloc->file; + mnt_oloc = H5G_oloc(child->shared->root_grp); + child_idx = -1; - if(child->parent && H5F_addr_eq(mp_oloc.addr, mnt_oloc->addr)) { - unsigned u; /*counters */ + if (child->parent && H5F_addr_eq(mp_oloc.addr, mnt_oloc->addr)) { + unsigned u; /*counters */ /* * We've been given the root group of the child. We do a reverse * lookup in the parent's mount table to find the correct entry. */ parent = child->parent; - for(u = 0; u < parent->shared->mtab.nmounts; u++) { - if(parent->shared->mtab.child[u].file->shared == child->shared) { + for (u = 0; u < parent->shared->mtab.nmounts; u++) { + if (parent->shared->mtab.child[u].file->shared == child->shared) { /* Found the correct index */ child_idx = (int)u; break; @@ -317,37 +314,37 @@ H5F__unmount(H5G_loc_t *loc, const char *name) } } else { - unsigned lt, rt, md = 0; /*binary search indices */ - int cmp; /*binary search comparison value*/ + unsigned lt, rt, md = 0; /*binary search indices */ + int cmp; /*binary search comparison value*/ /* We've been given the mount point in the parent. We use a binary * search in the parent to locate the mounted file, if any. */ parent = child; /*we guessed wrong*/ - lt = 0; - rt = parent->shared->mtab.nmounts; - cmp = -1; + lt = 0; + rt = parent->shared->mtab.nmounts; + cmp = -1; - while(lt < rt && cmp) { - md = (lt + rt) / 2; + while (lt < rt && cmp) { + md = (lt + rt) / 2; mnt_oloc = H5G_oloc(parent->shared->mtab.child[md].group); - cmp = H5F_addr_cmp(mp_oloc.addr, mnt_oloc->addr); - if (cmp<0) + cmp = H5F_addr_cmp(mp_oloc.addr, mnt_oloc->addr); + if (cmp < 0) rt = md; else lt = md + 1; } - if(cmp) + if (cmp) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "not a mount point") /* Found the correct index, set the info about the child */ child_idx = (int)md; H5G_loc_free(&mp_loc); mp_loc_setup = FALSE; - mp_loc.oloc = mnt_oloc; - mp_loc.path = H5G_nameof(parent->shared->mtab.child[md].group); - child = parent->shared->mtab.child[child_idx].file; + mp_loc.oloc = mnt_oloc; + mp_loc.path = H5G_nameof(parent->shared->mtab.child[md].group); + child = parent->shared->mtab.child[child_idx].file; /* Set the parent to be the actual parent of the discovered child. * Could be different due to the shared mount table. */ @@ -359,42 +356,43 @@ H5F__unmount(H5G_loc_t *loc, const char *name) child_group = parent->shared->mtab.child[child_idx].group; /* Get the group location for the root group in the file to unmount */ - if(NULL == (root_loc.oloc = H5G_oloc(child->shared->root_grp))) + if (NULL == (root_loc.oloc = H5G_oloc(child->shared->root_grp))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location for root group") - if(NULL == (root_loc.path = H5G_nameof(child->shared->root_grp))) + if (NULL == (root_loc.path = H5G_nameof(child->shared->root_grp))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path for root group") /* Search the open IDs replace names to reflect unmount operation */ - if(H5G_name_replace(NULL, H5G_NAME_UNMOUNT, mp_loc.oloc->file, - mp_loc.path->full_path_r, root_loc.oloc->file, root_loc.path->full_path_r) < 0) + if (H5G_name_replace(NULL, H5G_NAME_UNMOUNT, mp_loc.oloc->file, mp_loc.path->full_path_r, + root_loc.oloc->file, root_loc.path->full_path_r) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to replace name") /* Eliminate the mount point from the table */ - HDmemmove(parent->shared->mtab.child + (unsigned)child_idx, (parent->shared->mtab.child + (unsigned)child_idx) + 1, - ((parent->shared->mtab.nmounts - (unsigned)child_idx) - 1) * sizeof(parent->shared->mtab.child[0])); + HDmemmove(parent->shared->mtab.child + (unsigned)child_idx, + (parent->shared->mtab.child + (unsigned)child_idx) + 1, + ((parent->shared->mtab.nmounts - (unsigned)child_idx) - 1) * + sizeof(parent->shared->mtab.child[0])); parent->shared->mtab.nmounts -= 1; parent->nmounts -= 1; /* Unmount the child file from the parent file */ - if(H5G_unmount(child_group) < 0) + if (H5G_unmount(child_group) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to reset group mounted flag") - if(H5G_close(child_group) < 0) + if (H5G_close(child_group) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to close unmounted group") /* Detach child file from parent & see if it should close */ child->parent = NULL; - if(H5F_try_close(child, NULL) < 0) + if (H5F_try_close(child, NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "unable to close unmounted file") done: /* Free the mount point location's information, if it's been set up */ - if(mp_loc_setup) + if (mp_loc_setup) H5G_loc_free(&mp_loc); FUNC_LEAVE_NOAPI(ret_value) } /* end H5F__unmount() */ - /*------------------------------------------------------------------------- * Function: H5F_is_mount * @@ -411,13 +409,13 @@ done: hbool_t H5F_is_mount(const H5F_t *file) { - hbool_t ret_value = FALSE; /* Return value */ + hbool_t ret_value = FALSE; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(file); - if(file->parent != NULL) + if (file->parent != NULL) ret_value = TRUE; else ret_value = FALSE; @@ -425,7 +423,6 @@ H5F_is_mount(const H5F_t *file) FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_is_mount() */ - /*------------------------------------------------------------------------- * Function: H5Fmount * @@ -439,57 +436,56 @@ H5F_is_mount(const H5F_t *file) herr_t H5Fmount(hid_t loc_id, const char *name, hid_t child_id, hid_t plist_id) { - H5VL_object_t *loc_vol_obj = NULL; /* Parent object */ - H5VL_object_t *child_vol_obj = NULL; /* Child object */ - H5I_type_t loc_type; /* ID type of location */ - H5I_type_t child_type; /* ID type of child */ - herr_t ret_value = SUCCEED; /* Return value */ + H5VL_object_t *loc_vol_obj = NULL; /* Parent object */ + H5VL_object_t *child_vol_obj = NULL; /* Child object */ + H5I_type_t loc_type; /* ID type of location */ + H5I_type_t child_type; /* ID type of child */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE4("e", "i*sii", loc_id, name, child_id, plist_id); /* Check arguments */ loc_type = H5I_get_type(loc_id); - if(H5I_FILE != loc_type && H5I_GROUP != loc_type) + if (H5I_FILE != loc_type && H5I_GROUP != loc_type) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "loc_id parameter not a file or group ID") - if(!name) + if (!name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be NULL") - if(!*name) + if (!*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be the empty string") child_type = H5I_get_type(child_id); - if(H5I_FILE != child_type) + if (H5I_FILE != child_type) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "child_id parameter not a file ID") - if(H5P_DEFAULT == plist_id) + if (H5P_DEFAULT == plist_id) plist_id = H5P_FILE_MOUNT_DEFAULT; - else - if(TRUE != H5P_isa_class(plist_id, H5P_FILE_MOUNT)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "plist_id is not a file mount property list ID") + else if (TRUE != H5P_isa_class(plist_id, H5P_FILE_MOUNT)) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "plist_id is not a file mount property list ID") /* Set up collective metadata if appropriate */ - if(H5CX_set_loc(loc_id) < 0) + if (H5CX_set_loc(loc_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Get the location object */ - if(NULL == (loc_vol_obj = (H5VL_object_t *)H5I_object(loc_id))) + if (NULL == (loc_vol_obj = (H5VL_object_t *)H5I_object(loc_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "could not get location object") /* Get the child object */ - if(NULL == (child_vol_obj = (H5VL_object_t *)H5I_object(child_id))) + if (NULL == (child_vol_obj = (H5VL_object_t *)H5I_object(child_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "could not get child object") /* Check if both objects are associated with the same VOL connector */ - if(loc_vol_obj->connector->cls->value != child_vol_obj->connector->cls->value) + if (loc_vol_obj->connector->cls->value != child_vol_obj->connector->cls->value) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "Can't mount file onto object from different VOL connector") /* Perform the mount operation */ - if(H5VL_file_specific(loc_vol_obj, H5VL_FILE_MOUNT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)loc_type, name, child_vol_obj->data, plist_id) < 0) + if (H5VL_file_specific(loc_vol_obj, H5VL_FILE_MOUNT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, + (int)loc_type, name, child_vol_obj->data, plist_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to mount file") done: FUNC_LEAVE_API(ret_value) } /* end H5Fmount() */ - /*------------------------------------------------------------------------- * Function: H5Funmount * @@ -509,39 +505,39 @@ done: herr_t H5Funmount(hid_t loc_id, const char *name) { - H5VL_object_t *vol_obj = NULL; /* Parent object */ - H5I_type_t loc_type; /* ID type of location */ - herr_t ret_value = SUCCEED; /* Return value */ + H5VL_object_t *vol_obj = NULL; /* Parent object */ + H5I_type_t loc_type; /* ID type of location */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*s", loc_id, name); /* Check arguments */ loc_type = H5I_get_type(loc_id); - if(H5I_FILE != loc_type && H5I_GROUP != loc_type) + if (H5I_FILE != loc_type && H5I_GROUP != loc_type) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "loc_id parameter not a file or group ID") - if(!name) + if (!name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be NULL") - if(!*name) + if (!*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be the empty string") /* Set up collective metadata if appropriate */ - if(H5CX_set_loc(loc_id) < 0) + if (H5CX_set_loc(loc_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Get the location object */ - if(NULL == (vol_obj = (H5VL_object_t *)H5I_object(loc_id))) + if (NULL == (vol_obj = (H5VL_object_t *)H5I_object(loc_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "could not get location object") /* Perform the unmount operation */ - if(H5VL_file_specific(vol_obj, H5VL_FILE_UNMOUNT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)loc_type, name) < 0) + if (H5VL_file_specific(vol_obj, H5VL_FILE_UNMOUNT, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, + (int)loc_type, name) < 0) HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to unmount file") done: FUNC_LEAVE_API(ret_value) } /* end H5Funmount() */ - /*------------------------------------------------------------------------- * Function: H5F__mount_count_ids_recurse * @@ -558,7 +554,7 @@ done: static void H5F__mount_count_ids_recurse(H5F_t *f, unsigned *nopen_files, unsigned *nopen_objs) { - unsigned u; /* Local index value */ + unsigned u; /* Local index value */ FUNC_ENTER_STATIC_NOERR @@ -568,7 +564,7 @@ H5F__mount_count_ids_recurse(H5F_t *f, unsigned *nopen_files, unsigned *nopen_ob HDassert(nopen_objs); /* If this file is still open, increment number of file IDs open */ - if(H5F_ID_EXISTS(f)) + if (H5F_ID_EXISTS(f)) *nopen_files += 1; /* Increment number of open objects in file @@ -578,11 +574,11 @@ H5F__mount_count_ids_recurse(H5F_t *f, unsigned *nopen_files, unsigned *nopen_ob *nopen_objs += (f->nopen_objs - f->nmounts); /* Iterate over files mounted in this file and add in their open ID counts also */ - for(u = 0; u < f->shared->mtab.nmounts; u++) { + for (u = 0; u < f->shared->mtab.nmounts; u++) { /* Only recurse on children mounted to this top level file structure */ - if(f->shared->mtab.child[u].file->parent == f) { + if (f->shared->mtab.child[u].file->parent == f) { /* Increment the open object count if the mount point group has an open ID */ - if(H5G_get_shared_count(f->shared->mtab.child[u].group) > 1) + if (H5G_get_shared_count(f->shared->mtab.child[u].group) > 1) *nopen_objs += 1; H5F__mount_count_ids_recurse(f->shared->mtab.child[u].file, nopen_files, nopen_objs); @@ -592,7 +588,6 @@ H5F__mount_count_ids_recurse(H5F_t *f, unsigned *nopen_files, unsigned *nopen_ob FUNC_LEAVE_NOAPI_VOID } /* end H5F__mount_count_ids_recurse() */ - /*------------------------------------------------------------------------- * Function: H5F__mount_count_ids * @@ -616,7 +611,7 @@ H5F__mount_count_ids(H5F_t *f, unsigned *nopen_files, unsigned *nopen_objs) HDassert(nopen_objs); /* Find the top file in the mounting hierarchy */ - while(f->parent) + while (f->parent) f = f->parent; /* Count open IDs in the hierarchy */ @@ -625,7 +620,6 @@ H5F__mount_count_ids(H5F_t *f, unsigned *nopen_files, unsigned *nopen_objs) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5F__mount_count_ids() */ - /*------------------------------------------------------------------------- * Function: H5F__flush_mounts_recurse * @@ -641,9 +635,9 @@ H5F__mount_count_ids(H5F_t *f, unsigned *nopen_files, unsigned *nopen_objs) static herr_t H5F__flush_mounts_recurse(H5F_t *f) { - unsigned nerrors = 0; /* Errors from recursive flushes */ - unsigned u; /* Index variable */ - herr_t ret_value = SUCCEED; /* Return value */ + unsigned nerrors = 0; /* Errors from recursive flushes */ + unsigned u; /* Index variable */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC @@ -651,23 +645,22 @@ H5F__flush_mounts_recurse(H5F_t *f) HDassert(f); /* Flush all child files, not stopping for errors */ - for(u = 0; u < f->shared->mtab.nmounts; u++) - if(H5F__flush_mounts_recurse(f->shared->mtab.child[u].file) < 0) + for (u = 0; u < f->shared->mtab.nmounts; u++) + if (H5F__flush_mounts_recurse(f->shared->mtab.child[u].file) < 0) nerrors++; /* Call the "real" flush routine, for this file */ - if(H5F__flush(f) < 0) + if (H5F__flush(f) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file's cached information") /* Check flush errors for children - errors are already on the stack */ - if(nerrors) + if (nerrors) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file's child mounts") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F__flush_mounts_recurse() */ - /*------------------------------------------------------------------------- * Function: H5F_flush_mounts * @@ -683,7 +676,7 @@ done: herr_t H5F_flush_mounts(H5F_t *f) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -691,18 +684,17 @@ H5F_flush_mounts(H5F_t *f) HDassert(f); /* Find the top file in the mount hierarchy */ - while(f->parent) + while (f->parent) f = f->parent; /* Flush the mounted file hierarchy */ - if(H5F__flush_mounts_recurse(f) < 0) + if (H5F__flush_mounts_recurse(f) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush mounted file hierarchy") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_flush_mounts() */ - /*------------------------------------------------------------------------- * Function: H5F_traverse_mount * @@ -717,14 +709,14 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_traverse_mount(H5O_loc_t *oloc/*in,out*/) +H5F_traverse_mount(H5O_loc_t *oloc /*in,out*/) { - H5F_t *parent = oloc->file, /* File of object */ - *child = NULL; /* Child file */ - unsigned lt, rt, md = 0; /* Binary search indices */ - int cmp; - H5O_loc_t *mnt_oloc = NULL; /* Object location for mount points */ - herr_t ret_value = SUCCEED; /* Return value */ + H5F_t *parent = oloc->file, /* File of object */ + *child = NULL; /* Child file */ + unsigned lt, rt, md = 0; /* Binary search indices */ + int cmp; + H5O_loc_t *mnt_oloc = NULL; /* Object location for mount points */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -740,21 +732,21 @@ H5F_traverse_mount(H5O_loc_t *oloc/*in,out*/) * Use a binary search to find the potential mount point in the mount * table for the parent */ - lt = 0; - rt = parent->shared->mtab.nmounts; + lt = 0; + rt = parent->shared->mtab.nmounts; cmp = -1; - while(lt < rt && cmp) { - md = (lt + rt) / 2; + while (lt < rt && cmp) { + md = (lt + rt) / 2; mnt_oloc = H5G_oloc(parent->shared->mtab.child[md].group); - cmp = H5F_addr_cmp(oloc->addr, mnt_oloc->addr); - if(cmp < 0) + cmp = H5F_addr_cmp(oloc->addr, mnt_oloc->addr); + if (cmp < 0) rt = md; else lt = md + 1; } /* Copy root info over to ENT */ - if(0 == cmp) { + if (0 == cmp) { /* Get the child file */ child = parent->shared->mtab.child[md].file; @@ -762,11 +754,11 @@ H5F_traverse_mount(H5O_loc_t *oloc/*in,out*/) mnt_oloc = H5G_oloc(child->shared->root_grp); /* Release the mount point */ - if(H5O_loc_free(oloc) < 0) + if (H5O_loc_free(oloc) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "unable to free object location") /* Copy the entry for the root group */ - if(H5O_loc_copy_deep(oloc, mnt_oloc) < 0) + if (H5O_loc_copy_deep(oloc, mnt_oloc) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCOPY, FAIL, "unable to copy object location") /* In case the shared root group info points to a different file handle @@ -776,9 +768,8 @@ H5F_traverse_mount(H5O_loc_t *oloc/*in,out*/) /* Switch to child's file */ parent = child; } /* end if */ - } while(!cmp); + } while (!cmp); done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_traverse_mount() */ - |