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-rw-r--r--src/thread/pthread_cancel.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/thread/pthread_cancel.c b/src/thread/pthread_cancel.c
index 1b71aa42..a507f923 100644
--- a/src/thread/pthread_cancel.c
+++ b/src/thread/pthread_cancel.c
@@ -1,3 +1,4 @@
+#include <string.h>
#include "pthread_impl.h"
#include "syscall.h"
#include "libc.h"
@@ -80,7 +81,7 @@ static void init_cancellation()
.sa_flags = SA_SIGINFO | SA_RESTART,
.sa_sigaction = cancel_handler
};
- sigfillset(&sa.sa_mask);
+ memset(&sa.sa_mask, -1, _NSIG/8);
__libc_sigaction(SIGCANCEL, &sa, 0);
}