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-rw-r--r--libc/stdlib/malloc-standard/free.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libc/stdlib/malloc-standard/free.c b/libc/stdlib/malloc-standard/free.c
index 39e54d635..8b7a81fca 100644
--- a/libc/stdlib/malloc-standard/free.c
+++ b/libc/stdlib/malloc-standard/free.c
@@ -104,9 +104,13 @@ static int __malloc_trim(size_t pad, mstate av)
*/
int malloc_trim(size_t pad)
{
+ int r;
+ __MALLOC_LOCK;
mstate av = get_malloc_state();
__malloc_consolidate(av);
- return __malloc_trim(pad, av);
+ r = __malloc_trim(pad, av);
+ __MALLOC_UNLOCK;
+ return r;
}
/*