From c0a5b44bc8261dec6d4ffaadb244ecbff962719b Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Wed, 18 Aug 2021 20:23:59 +0200
Subject: await() 1: wait for child to die, without message passing

The length is a int, because the syscall will have a signed output. A
negative return value will mean an error (such as when it gets called
by a childless process).
---
 src/init/syscalls.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/init/syscalls.c')

diff --git a/src/init/syscalls.c b/src/init/syscalls.c
index d0da33e..4bbd83a 100644
--- a/src/init/syscalls.c
+++ b/src/init/syscalls.c
@@ -12,6 +12,10 @@ int _syscall_fork() {
 	return _syscall(_SYSCALL_FORK, 0, 0, 0);
 }
 
+int _syscall_await(char *buf, int *len) {
+	return _syscall(_SYSCALL_AWAIT, (int)buf, (int)len, 0);
+}
+
 int _syscall_debuglog(const char *msg, size_t len) {
 	return _syscall(_SYSCALL_DEBUGLOG, (int)msg, len, 0);
 }
-- 
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