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-rw-r--r--libc/stdlib/atexit.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/stdlib/atexit.c b/libc/stdlib/atexit.c
index a877c5a1f..e4b6620e2 100644
--- a/libc/stdlib/atexit.c
+++ b/libc/stdlib/atexit.c
@@ -168,7 +168,9 @@ void __exit_handler(int status)
#ifdef L_exit
extern void weak_function _stdio_term(void);
void (*__exit_cleanup) (int) = 0;
+#ifdef __UCLIBC_HAS_THREADS__
pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+#endif
/*
* Normal program termination