fix double-processing of DT_RELR relocations in ldso relocating itself

[musl] / src / linux / membarrier.c

diff --git a/src/linux/membarrier.c b/src/linux/membarrier.c
index 9ebe906..f64fe7e 100644 (file)
--- a/src/linux/membarrier.c
+++ b/src/linux/membarrier.c
@@ -9,13 +9,8 @@ static void dummy_0(void)
 {
 }
 
-static void dummy_1(pthread_t t)
-{
-}
-
 weak_alias(dummy_0, __tl_lock);
 weak_alias(dummy_0, __tl_unlock);
-weak_alias(dummy_1, __tl_sync);
 
 static sem_t barrier_sem;
 
@@ -40,7 +35,7 @@ int __membarrier(int cmd, int flags)
                __tl_lock();
                sem_init(&barrier_sem, 0, 0);
                struct sigaction sa = {
-                       .sa_flags = SA_RESTART,
+                       .sa_flags = SA_RESTART | SA_ONSTACK,
                        .sa_handler = bcast_barrier
                };
                memset(&sa.sa_mask, -1, sizeof sa.sa_mask);