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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 daeca964a7..962215b1a1 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -432,7 +432,7 @@ native_sleep(rb_thread_t *th, struct timeval *tv)
thread_debug("native_sleep: interrupted before sleep\n");
}
else {
- if (tv == 0) {
+ if (tv == 0 || ts.tv_sec < tvn.tv_sec /* overflow */ ) {
thread_debug("native_sleep: pthread_cond_wait start\n");
pthread_cond_wait(&th->native_thread_data.sleep_cond,
&th->interrupt_lock);