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-rw-r--r--lib/libc/gen/sleep.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libc/gen/sleep.c b/lib/libc/gen/sleep.c
index 2508e9a21e0a..e4c4fbdc494c 100644
--- a/lib/libc/gen/sleep.c
+++ b/lib/libc/gen/sleep.c
@@ -68,4 +68,6 @@ __sleep(seconds)
(time_remaining.tv_nsec != 0)); /* round up */
}
+#ifndef _THREAD_SAFE
__weak_reference(__sleep, sleep);
+#endif