diff options
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 11 | ||||
| -rw-r--r-- | linuxthreads/manager.c | 8 | ||||
| -rw-r--r-- | linuxthreads/pthread.c | 7 |
3 files changed, 20 insertions, 6 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index e65ee76222..352b34356f 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,14 @@ +1999-02-03 H.J. Lu <hjl@gnu.org> + + * manager.c (__pthread_manager): Do block __pthread_sig_debug. + Don't restart the thread which sent REQ_DEBUG. + (pthread_start_thread): Check if __pthread_sig_debug > 0 + before debugging. + + * pthread.c (__pthread_initialize_manager): Suspend ourself + after sending __pthread_sig_debug to gdb instead of + __pthread_sig_cancel. + 1999-01-24 H.J. Lu <hjl@gnu.org> * manager.c (__pthread_manager): Delete __pthread_sig_debug diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c index 033e5adc5f..9657cc5731 100644 --- a/linuxthreads/manager.c +++ b/linuxthreads/manager.c @@ -104,8 +104,6 @@ int __pthread_manager(void *arg) /* Block all signals except __pthread_sig_cancel and SIGTRAP */ sigfillset(&mask); sigdelset(&mask, __pthread_sig_cancel); /* for thread termination */ - if (__pthread_sig_debug > 0) - sigdelset(&mask, __pthread_sig_debug); /* for debugging purposes */ sigdelset(&mask, SIGTRAP); /* for debugging purposes */ sigprocmask(SIG_SETMASK, &mask, NULL); /* Raise our priority to match that of main thread */ @@ -162,10 +160,10 @@ int __pthread_manager(void *arg) sem_post(request.req_args.post); break; case REQ_DEBUG: - /* Make gdb aware of new thread */ + /* Make gdb aware of new thread and gdb will restart the + new thread when it is ready to handle the new thread. */ if (__pthread_threads_debug && __pthread_sig_debug > 0) raise(__pthread_sig_debug); - restart(request.req_thread); break; } } @@ -195,7 +193,7 @@ static int pthread_start_thread(void *arg) THREAD_GETMEM(self, p_start_args.schedpolicy), &self->p_start_args.schedparam); /* Make gdb aware of new thread */ - if (__pthread_threads_debug) { + if (__pthread_threads_debug && __pthread_sig_debug > 0) { request.req_thread = self; request.req_kind = REQ_DEBUG; __libc_write(__pthread_manager_request, diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 4d182a8695..42ed581bdb 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -309,7 +309,12 @@ int __pthread_initialize_manager(void) __pthread_manager_thread.p_pid = pid; /* Make gdb aware of new thread manager */ if (__pthread_threads_debug && __pthread_sig_debug > 0) - raise(__pthread_sig_cancel); + { + raise(__pthread_sig_debug); + /* We suspend ourself and gdb will wake us up when it is + ready to handle us. */ + suspend(thread_self()); + } /* Synchronize debugging of the thread manager */ request.req_kind = REQ_DEBUG; __libc_write(__pthread_manager_request, (char *) &request, sizeof(request)); |