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-rw-r--r--src/linux/membarrier.c2
-rw-r--r--src/thread/pthread_cancel.c2
-rw-r--r--src/thread/synccall.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/linux/membarrier.c b/src/linux/membarrier.c
index 343f7360..f64fe7e1 100644
--- a/src/linux/membarrier.c
+++ b/src/linux/membarrier.c
@@ -35,7 +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);
diff --git a/src/thread/pthread_cancel.c b/src/thread/pthread_cancel.c
index 2f9d5e97..2d3a98ea 100644
--- a/src/thread/pthread_cancel.c
+++ b/src/thread/pthread_cancel.c
@@ -77,7 +77,7 @@ void __testcancel()
 static void init_cancellation()
 {
 	struct sigaction sa = {
-		.sa_flags = SA_SIGINFO | SA_RESTART,
+		.sa_flags = SA_SIGINFO | SA_RESTART | SA_ONSTACK,
 		.sa_sigaction = cancel_handler
 	};
 	memset(&sa.sa_mask, -1, _NSIG/8);
diff --git a/src/thread/synccall.c b/src/thread/synccall.c
index d58c851f..a6b177c0 100644
--- a/src/thread/synccall.c
+++ b/src/thread/synccall.c
@@ -45,7 +45,7 @@ void __synccall(void (*func)(void *), void *ctx)
 {
 	sigset_t oldmask;
 	int cs, i, r;
-	struct sigaction sa = { .sa_flags = SA_RESTART, .sa_handler = handler };
+	struct sigaction sa = { .sa_flags = SA_RESTART | SA_ONSTACK, .sa_handler = handler };
 	pthread_t self = __pthread_self(), td;
 	int count = 0;