fix debugger tracking of shared libraries on mips with PIE main program

[musl] / src / thread / pthread_once.c

diff --git a/src/thread/pthread_once.c b/src/thread/pthread_once.c
index df655ef..8e8d40a 100644 (file)
--- a/src/thread/pthread_once.c
+++ b/src/thread/pthread_once.c
@@ -8,7 +8,7 @@ static void undo(void *control)
                __wake(control, -1, 1);
 }
 
-int __pthread_once_full(pthread_once_t *control, void (*init)(void))
+hidden int __pthread_once_full(pthread_once_t *control, void (*init)(void))
 {
        /* Try to enter initializing state. Four possibilities:
         *  0 - we're the first or the other cancelled; run init
@@ -40,7 +40,7 @@ int __pthread_once(pthread_once_t *control, void (*init)(void))
 {
        /* Return immediately if init finished before, but ensure that
         * effects of the init routine are visible to the caller. */
-       if (*control == 2) {
+       if (*(volatile int *)control == 2) {
                a_barrier();
                return 0;
        }