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-rw-r--r--thread_pthread.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/thread_pthread.c b/thread_pthread.c
index 72a4dae8cb..4787823b3d 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -693,7 +693,8 @@ rb_thread_create_timer_thread(void)
pthread_attr_init(&attr);
#ifdef PTHREAD_STACK_MIN
- pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN);
+ pthread_attr_setstacksize(&attr,
+ PTHREAD_STACK_MIN + (THREAD_DEBUG ? BUFSIZ : 0));
#endif
err = pthread_create(&timer_thread_id, &attr, thread_timer, GET_VM());
if (err != 0) {