From c91bb729644ec994099fc375e485dd8524aad7c2 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 28 Mar 2021 00:01:51 +0100
Subject: [PATCH] LibC: Add vfork() as a simple wrapper around fork()

I don't know if we should implement optimized vfork(). I'm adding it
here since SDL2 uses it.
---
 Userland/Libraries/LibC/unistd.cpp | 5 +++++
 Userland/Libraries/LibC/unistd.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/Userland/Libraries/LibC/unistd.cpp b/Userland/Libraries/LibC/unistd.cpp
index e20c49d4c1..8fd1acb93e 100644
--- a/Userland/Libraries/LibC/unistd.cpp
+++ b/Userland/Libraries/LibC/unistd.cpp
@@ -89,6 +89,11 @@ pid_t fork()
     __RETURN_WITH_ERRNO(rc, rc, -1);
 }
 
+pid_t vfork()
+{
+    return fork();
+}
+
 int execv(const char* path, char* const argv[])
 {
     return execve(path, argv, environ);
diff --git a/Userland/Libraries/LibC/unistd.h b/Userland/Libraries/LibC/unistd.h
index a4ead75035..70d9321ea2 100644
--- a/Userland/Libraries/LibC/unistd.h
+++ b/Userland/Libraries/LibC/unistd.h
@@ -64,6 +64,7 @@ int gettid();
 int donate(int tid);
 int getpagesize();
 pid_t fork();
+pid_t vfork();
 int execv(const char* path, char* const argv[]);
 int execve(const char* filename, char* const argv[], char* const envp[]);
 int execvpe(const char* filename, char* const argv[], char* const envp[]);