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-rw-r--r--malloc/arena.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/malloc/arena.c b/malloc/arena.c
index 06bdd77d23..9e5e332020 100644
--- a/malloc/arena.c
+++ b/malloc/arena.c
@@ -141,6 +141,8 @@ int __malloc_initialized = -1;
/**************************************************************************/
+#ifndef NO_THREADS
+
/* atfork support. */
static __malloc_ptr_t (*save_malloc_hook) (size_t __size,
@@ -276,7 +278,7 @@ ptmalloc_unlock_all (void)
(void)mutex_unlock(&list_lock);
}
-#ifdef __linux__
+# ifdef __linux__
/* In NPTL, unlocking a mutex in the child process after a
fork() is currently unsafe, whereas re-initializing it is safe and
@@ -311,11 +313,13 @@ ptmalloc_unlock_all2 (void)
atfork_recursive_cntr = 0;
}
-#else
+# else
-#define ptmalloc_unlock_all2 ptmalloc_unlock_all
+# define ptmalloc_unlock_all2 ptmalloc_unlock_all
-#endif
+# endif
+
+#endif /* !NO_THREADS */
/* Initialization routine. */
#include <string.h>