kernel: remove _sys_await, emulate it in libc

3 files changed, 11 insertions, 4 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;
+}
diff --git a/src/libc/include/camellia/compat.h b/src/libc/include/camellia/compat.h
index a7c6f1f..8b2efa1 100644
--- a/src/libc/include/camellia/compat.h
+++ b/src/libc/include/camellia/compat.h
@@ -4,3 +4,5 @@
 /* c0 - fs_wait returning a handle */
 long c0_fs_wait(char *buf, long len, struct ufs_request *res);
 long c0_fs_respond(void *buf, long ret, int flags);
+
+long _sys_await(void);
diff --git a/src/libc/syscall.c b/src/libc/syscall.c
index 5196683..b920e14 100644
--- a/src/libc/syscall.c
+++ b/src/libc/syscall.c
@@ -10,10 +10,6 @@ _Noreturn void _sys_exit(long ret) {
 	__builtin_unreachable();
 }
 
-long _sys_await(void) {
-	return _syscall(_SYS_AWAIT, 0, 0, 0, 0, 0);
-}
-
 long _sys_fork(int flags, hid_t __user *fs_front) {
 	return _syscall(_SYS_FORK, (long)flags, (long)fs_front, 0, 0, 0);
 }