1 files changed, 8 insertions, 0 deletions
diff --git a/src/signal/sigaltstack.c b/src/signal/sigaltstack.c
new file mode 100644
index 0000000..3cc2d45
--- /dev/null
+++ b/src/signal/sigaltstack.c
@@ -0,0 +1,8 @@
+#include <signal.h>
+#include "syscall.h"
+
+int sigaltstack(const stack_t *ss, stack_t *old)
+{
+	/* depends on kernel struct matching */
+	return syscall2(__NR_sigaltstack, (long)ss, (long)old);
+}