timer_create: use SIG_SETMASK restore the signal mask.
Bug: http://b/73144101
Test: ran tests
Change-Id: I9adf3a512c120ef2280ad469ad11366222d61463
diff --git a/libc/bionic/posix_timers.cpp b/libc/bionic/posix_timers.cpp
index 1abeb1f..47d6db0 100644
--- a/libc/bionic/posix_timers.cpp
+++ b/libc/bionic/posix_timers.cpp
@@ -154,7 +154,7 @@
int rc = pthread_create(&timer->callback_thread, &thread_attributes, __timer_thread_start, timer);
- __rt_sigprocmask(SIG_BLOCK, &old_sigset, nullptr, sizeof(old_sigset));
+ __rt_sigprocmask(SIG_SETMASK, &old_sigset, nullptr, sizeof(old_sigset));
if (rc != 0) {
free(timer);