greatly improve SIGEV_THREAD timers

calling pthread_exit from, or pthread_cancel on, the timer callback
thread will no longer destroy the timer.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/time/timer_delete.c b/src/time/timer_delete.c
index f05b27d5..b5f8ca19 100644
--- a/src/time/timer_delete.c
+++ b/src/time/timer_delete.c
@@ -3,6 +3,11 @@
 
 int timer_delete(timer_t t)
 {
-	if ((uintptr_t)t >= 0x100000) return pthread_cancel(t);
+	if ((uintptr_t)t >= 0x100000) {
+		pthread_t td = t;
+		td->delete_timer = 1;
+		__wake(&td->delete_timer, 1, 1);
+		return 0;
+	}
 	return __syscall(SYS_timer_delete, (long)t);
 }