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-rw-r--r--thread_pthread.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/thread_pthread.c b/thread_pthread.c
index a00d7af1bf..ba7aa1ddca 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -1172,7 +1172,7 @@ ubf_select(void *ptr)
* In the other hands, we shouldn't call rb_thread_wakeup_timer_thread()
* if running on timer thread because it may make endless wakeups.
*/
- if (pthread_self() != timer_thread_id)
+ if (!pthread_equal(pthread_self(), timer_thread_id))
rb_thread_wakeup_timer_thread();
ubf_select_each(th);
}