musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/signal/sigaltstack.c b/src/signal/sigaltstack.c
new file mode 100644
index 00000000..3cc2d456
--- /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);

+}