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-rw-r--r--thread_pthread.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/thread_pthread.c b/thread_pthread.c
index 810f5c5de6..87d9220ea9 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -1318,17 +1318,21 @@ void
rb_thread_wakeup_timer_thread(void)
{
/* must be safe inside sighandler, so no mutex */
- ATOMIC_INC(timer_thread_pipe.writing);
- rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.normal[1]);
- ATOMIC_DEC(timer_thread_pipe.writing);
+ if (timer_thread_pipe.owner_process == getpid()) {
+ ATOMIC_INC(timer_thread_pipe.writing);
+ rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.normal[1]);
+ ATOMIC_DEC(timer_thread_pipe.writing);
+ }
}
static void
rb_thread_wakeup_timer_thread_low(void)
{
- ATOMIC_INC(timer_thread_pipe.writing);
- rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.low[1]);
- ATOMIC_DEC(timer_thread_pipe.writing);
+ if (timer_thread_pipe.owner_process == getpid()) {
+ ATOMIC_INC(timer_thread_pipe.writing);
+ rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.low[1]);
+ ATOMIC_DEC(timer_thread_pipe.writing);
+ }
}
/* VM-dependent API is not available for this function */