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Add reset_fn to external_locking.

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This commit is contained in:
Alasdair Kergon 2004-05-18 21:57:24 +00:00
parent af78dc0308
commit c7b4a53c0b
2 changed files with 11 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.00.16 - Version 2.00.16 -
============================= =============================
Add reset_fn to external_locking.
Ensure presence of virtual targets before attempting activating. Ensure presence of virtual targets before attempting activating.
Attempt to fix resizing of snapshot origins. Attempt to fix resizing of snapshot origins.
Restructure lvresize, bringing it closer to lvcreate. Restructure lvresize, bringing it closer to lvcreate.

10
lib/locking/external_locking.c
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@ -19,6 +19,7 @@
#include "sharedlib.h" #include "sharedlib.h"
static void *_locking_lib = NULL; static void *_locking_lib = NULL;
static void (*_reset_fn) (void) = NULL;
static void (*_end_fn) (void) = NULL; static void (*_end_fn) (void) = NULL;
static int (*_lock_fn) (struct cmd_context * cmd, const char *resource, static int (*_lock_fn) (struct cmd_context * cmd, const char *resource,
int flags) = NULL; int flags) = NULL;
@ -45,6 +46,13 @@ static void _fin_external_locking(void)
_init_fn = NULL; _init_fn = NULL;
_end_fn = NULL; _end_fn = NULL;
_lock_fn = NULL; _lock_fn = NULL;
_reset_fn = NULL;
}
static void _reset_external_locking(void)
{
if (_reset_fn)
_reset_fn();
} }
int init_external_locking(struct locking_type *locking, struct config_tree *cft) int init_external_locking(struct locking_type *locking, struct config_tree *cft)
@ -58,6 +66,7 @@ int init_external_locking(struct locking_type *locking, struct config_tree *cft)
locking->lock_resource = _lock_resource; locking->lock_resource = _lock_resource;
locking->fin_locking = _fin_external_locking; locking->fin_locking = _fin_external_locking;
locking->reset_locking = _reset_external_locking;
locking->flags = 0; locking->flags = 0;
libname = find_config_str(cft->root, "global/locking_library", libname = find_config_str(cft->root, "global/locking_library",
@ -71,6 +80,7 @@ int init_external_locking(struct locking_type *locking, struct config_tree *cft)
/* Get the functions we need */ /* Get the functions we need */
if (!(_init_fn = dlsym(_locking_lib, "locking_init")) || if (!(_init_fn = dlsym(_locking_lib, "locking_init")) ||
!(_lock_fn = dlsym(_locking_lib, "lock_resource")) || !(_lock_fn = dlsym(_locking_lib, "lock_resource")) ||
!(_reset_fn = dlsym(_locking_lib, "reset_locking")) ||
!(_end_fn = dlsym(_locking_lib, "locking_end"))) { !(_end_fn = dlsym(_locking_lib, "locking_end"))) {
log_error("Shared library %s does not contain locking " log_error("Shared library %s does not contain locking "
"functions", libname); "functions", libname);