From: Michalis Pappas <michalis@unikraft.io>
Date: Wed, 26 Mar 2025 07:44:42 +0000 (+0100)
Subject: lib/nolibc: Add declaration of vfork()
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=dd41d1c7595337dd770165f7896e7206e6347e85;p=unikraft%2Funikraft.git

lib/nolibc: Add declaration of vfork()

Update unistd.h with declaration of vfork(). This is required when
writing applications with nolibc.

Signed-off-by: Michalis Pappas <michalis@unikraft.io>
Approved-by: Andrei Tatar <andrei@unikraft.io>
Reviewed-by: Sergiu Moga <sergiu@unikraft.io>
Reviewed-by: Andrei Tatar <andrei@unikraft.io>
GitHub-Closes: #1627
---

diff --git a/lib/nolibc/include/unistd.h b/lib/nolibc/include/unistd.h
index 4f70ba345..172c2218f 100644
--- a/lib/nolibc/include/unistd.h
+++ b/lib/nolibc/include/unistd.h
@@ -41,6 +41,7 @@ extern "C" {
 #endif
 
 #define __NEED_NULL
+#define __NEED_pid_t
 #define __NEED_size_t
 #define __NEED_ssize_t
 #define __NEED_off_t
@@ -83,6 +84,7 @@ int execvpe(const char *file, char *const argv[],
 		char *const envp[]);
 int execve(const char *filename, char *const argv[],
 		char *const envp[]);
+pid_t vfork(void);
 #endif
 
 #if CONFIG_LIBVFSCORE