diff options
Diffstat (limited to 'linuxthreads/cancel.c')
| -rw-r--r-- | linuxthreads/cancel.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/linuxthreads/cancel.c b/linuxthreads/cancel.c index 0ae0d12887..ed67a6845f 100644 --- a/linuxthreads/cancel.c +++ b/linuxthreads/cancel.c @@ -20,6 +20,9 @@ #include "internals.h" #include "spinlock.h" #include "restart.h" +#include <stackinfo.h> + +#include <stdio.h> int pthread_setcancelstate(int state, int * oldstate) { @@ -31,7 +34,7 @@ int pthread_setcancelstate(int state, int * oldstate) if (THREAD_GETMEM(self, p_canceled) && THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE && THREAD_GETMEM(self, p_canceltype) == PTHREAD_CANCEL_ASYNCHRONOUS) - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); return 0; } @@ -45,7 +48,7 @@ int pthread_setcanceltype(int type, int * oldtype) if (THREAD_GETMEM(self, p_canceled) && THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE && THREAD_GETMEM(self, p_canceltype) == PTHREAD_CANCEL_ASYNCHRONOUS) - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); return 0; } @@ -112,7 +115,7 @@ void pthread_testcancel(void) pthread_descr self = thread_self(); if (THREAD_GETMEM(self, p_canceled) && THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE) - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); } void _pthread_cleanup_push(struct _pthread_cleanup_buffer * buffer, @@ -155,15 +158,27 @@ void _pthread_cleanup_pop_restore(struct _pthread_cleanup_buffer * buffer, if (THREAD_GETMEM(self, p_canceled) && THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE && THREAD_GETMEM(self, p_canceltype) == PTHREAD_CANCEL_ASYNCHRONOUS) - pthread_exit(PTHREAD_CANCELED); + __pthread_do_exit(PTHREAD_CANCELED, CURRENT_STACK_FRAME); } -void __pthread_perform_cleanup(void) +void __pthread_perform_cleanup(char *currentframe) { pthread_descr self = thread_self(); struct _pthread_cleanup_buffer * c; + for (c = THREAD_GETMEM(self, p_cleanup); c != NULL; c = c->__prev) - c->__routine(c->__arg); + { +#if _STACK_GROWS_DOWN + if ((char *) c <= currentframe) + break; +#elif _STACK_GROWS_UP + if ((char *) c >= currentframe) + break; +#else +# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP" +#endif + c->__routine(c->__arg); + } /* And the TSD which needs special help. */ if (THREAD_GETMEM(self, p_libc_specific[_LIBC_TSD_KEY_RPC_VARS]) != NULL) |