2002-12-11 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/pthread/bits/libc-lock.h (__libc_cleanup_region_start):
+ Remember function and argument even if cancellation handler
+ function is not available.
+ (__libc_cleanup_region_end): Execute registered function directly if
+ pthread functions are not available.
+ (__libc_cleanup_end): Likewise.
+
* init.c (__pthread_initialize_minimal): Fix initialization in
static lib by preventing gcc from being too clever.
/* Start critical region with cleanup. */
#define __libc_cleanup_region_start(DOIT, FCT, ARG) \
{ struct _pthread_cleanup_buffer _buffer; \
- int _avail = (DOIT) && _pthread_cleanup_push_defer != NULL; \
+ int _avail = _pthread_cleanup_push_defer != NULL; \
if (_avail) { \
_pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \
+ } else if (DOIT) { \
+ _buffer.__routine = (FCT); \
+ _buffer.__arg = (ARG); \
}
/* End critical region with cleanup. */
#define __libc_cleanup_region_end(DOIT) \
if (_avail) { \
_pthread_cleanup_pop_restore (&_buffer, (DOIT)); \
- } \
+ } else if (DOIT) \
+ _buffer.__routine (_buffer.__arg); \
}
/* Sometimes we have to exit the block in the middle. */
#define __libc_cleanup_end(DOIT) \
if (_avail) { \
_pthread_cleanup_pop_restore (&_buffer, (DOIT)); \
- }
+ } else if (DOIT) \
+ _buffer.__routine (_buffer.__arg)
/* Create thread-specific key. */
#define __libc_key_create(KEY, DESTRUCTOR) \