kernel: remove _sys_await, emulate it in libc

1 files changed, 9 insertions, 0 deletions

diff --git a/src/libc/compat.c b/src/libc/compat.c
index 3ec47f9..fdf24bb 100644
--- a/src/libc/compat.c
+++ b/src/libc/compat.c
@@ -18,3 +18,12 @@ long c0_fs_respond(void *buf, long ret, int flags) {
 	h = -1;
 	return ret;
 }
+
+/* old syscall */
+long _sys_await(void) {
+	struct sys_wait2 res;
+	if (_sys_wait2(-1, 0, &res) < 0) {
+		return ~0;
+	}
+	return res.status;
+}