1 files changed, 15 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/sem_init.c b/libc-top-half/musl/src/thread/sem_init.c
new file mode 100644
index 0000000..5509243
--- /dev/null
+++ b/libc-top-half/musl/src/thread/sem_init.c
@@ -0,0 +1,15 @@
+#include <semaphore.h>
+#include <limits.h>
+#include <errno.h>
+
+int sem_init(sem_t *sem, int pshared, unsigned value)
+{
+	if (value > SEM_VALUE_MAX) {
+		errno = EINVAL;
+		return -1;
+	}
+	sem->__val[0] = value;
+	sem->__val[1] = 0;
+	sem->__val[2] = pshared ? 0 : 128;
+	return 0;
+}