diff options
Diffstat (limited to 'linuxthreads/ptlongjmp.c')
| -rw-r--r-- | linuxthreads/ptlongjmp.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/linuxthreads/ptlongjmp.c b/linuxthreads/ptlongjmp.c index 1c12508..68b9235 100644 --- a/linuxthreads/ptlongjmp.c +++ b/linuxthreads/ptlongjmp.c @@ -18,6 +18,7 @@ #include <setjmp.h> #include "pthread.h" #include "internals.h" +#include <stackinfo.h> /* These functions are not declared anywhere since they shouldn't be used at another place but here. */ @@ -31,11 +32,29 @@ static void pthread_cleanup_upto(__jmp_buf target) { pthread_descr self = thread_self(); struct _pthread_cleanup_buffer * c; + char *currentframe = CURRENT_STACK_FRAME; for (c = THREAD_GETMEM(self, p_cleanup); c != NULL && _JMPBUF_UNWINDS(target, c); c = c->__prev) - c->__routine(c->__arg); + { +#if _STACK_GROWS_DOWN + if ((char *) c <= currentframe) + { + c = NULL; + break; + } +#elif _STACK_GROWS_UP + if ((char *) c >= currentframe) + { + c = NULL; + break; + } +#else +# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP" +#endif + c->__routine(c->__arg); + } THREAD_SETMEM(self, p_cleanup, c); if (THREAD_GETMEM(self, p_in_sighandler) && _JMPBUF_UNWINDS(target, THREAD_GETMEM(self, p_in_sighandler))) |