synccall signal handler need not handle dead threads anymore

they have already blocked signals before decrementing the thread
count, so the code being removed is unreachable in the case where the
thread is no longer counted.
This commit is contained in:
Rich Felker 2013-04-26 17:46:58 -04:00
parent 082fb4e9bf
commit 47d2bf5103

View File

@ -21,15 +21,6 @@ static void handler(int sig, siginfo_t *si, void *ctx)
sigqueue(self->pid, SIGSYNCCALL, (union sigval){0});
/* Threads which have already decremented themselves from the
* thread count must not act. Block further receipt of signals
* and return. */
if (self->dead) {
memset(&((ucontext_t *)ctx)->uc_sigmask, -1, 8);
errno = old_errno;
return;
}
sem_init(&ch.sem, 0, 0);
sem_init(&ch.sem2, 0, 0);