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-rw-r--r--atomic/unix/mutex64.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/atomic/unix/mutex64.c b/atomic/unix/mutex64.c
index 9fc44af..4ea4d8f 100644
--- a/atomic/unix/mutex64.c
+++ b/atomic/unix/mutex64.c
@@ -17,7 +17,7 @@
#include "apr_arch_atomic.h"
#include "apr_thread_mutex.h"
-#if defined(USE_ATOMICS_GENERIC) || defined (NEED_ATOMICS_GENERIC64)
+#if defined(USE_ATOMICS_GENERIC64)
#include <stdlib.h>
@@ -96,7 +96,14 @@ apr_status_t apr__atomic_generic64_init(apr_pool_t *p)
APR_DECLARE(apr_uint64_t) apr_atomic_read64(volatile apr_uint64_t *mem)
{
- return *mem;
+ apr_uint64_t cur_value;
+ DECLARE_MUTEX_LOCKED(mutex, mem);
+
+ cur_value = *mem;
+
+ MUTEX_UNLOCK(mutex);
+
+ return cur_value;
}
APR_DECLARE(void) apr_atomic_set64(volatile apr_uint64_t *mem, apr_uint64_t val)