ensure pthread-internal signals are unblocked before threads are used

[musl] / src / thread / pthread_self.c

diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c
index 51f12bb..f68896f 100644 (file)
--- a/src/thread/pthread_self.c
+++ b/src/thread/pthread_self.c
@@ -8,6 +8,7 @@ weak_alias(dummy, __pthread_tsd_main);
 
 static int init_main_thread()
 {
+       __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, SIGPT_SET, 0, 8);
        if (__set_thread_area(&main_thread) < 0) return -1;
        main_thread.canceldisable = libc.canceldisable;
        main_thread.tsd = (void **)__pthread_tsd_main;