1 files changed, 10 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/signal/sighold.c b/libc-top-half/musl/src/signal/sighold.c
new file mode 100644
index 0000000..cfa2306
--- /dev/null
+++ b/libc-top-half/musl/src/signal/sighold.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sighold(int sig)
+{
+	sigset_t mask;
+
+	sigemptyset(&mask);
+	if (sigaddset(&mask, sig) < 0) return -1;
+	return sigprocmask(SIG_BLOCK, &mask, 0);
+}