hare

commit fe8d19617b5e94f4cd52a0a8928789c3c008851a
parent 12e10e27586d3a9bc45621d63fa3a9286ddff1d6
Author: Armin Preiml <apreiml@strohwolke.at>
Date:   Wed, 23 Aug 2023 08:53:20 +0200

rt: add getpgid syscall

Diffstat:
M
rt/+linux/syscalls.ha
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/rt/+linux/syscalls.ha b/rt/+linux/syscalls.ha
@@ -259,6 +259,10 @@ export fn fork() (int | void | errno) = clone(null, SIGCHLD, null, null, 0);
 
 export fn getpid() int = syscall0(SYS_getpid): int;
 
+export fn getpgid(pid: int) (int | errno) = {
+	return wrap_return(syscall1(SYS_getpgid, pid: u64))?: int;
+};
+
 export fn wait4(
 	pid: int,
 	wstatus: nullable *int,