From 8ce33795e95ea0390d320ea2acc60059b460941e Mon Sep 17 00:00:00 2001
From: Ratakor <ratakor@disroot.org>
Date: Fri, 1 Sep 2023 13:38:14 +0200
Subject: [PATCH] Add pause() to linux.zig

---
 lib/std/os/linux.zig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index 43a6226cd0..2ecb5da231 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -1042,6 +1042,14 @@ pub fn nanosleep(req: *const timespec, rem: ?*timespec) usize {
     return syscall2(.nanosleep, @intFromPtr(req), @intFromPtr(rem));
 }
 
+pub fn pause() usize {
+    if (@hasField(SYS, "pause")) {
+        return syscall0(.pause);
+    } else {
+        return syscall4(.ppoll, 0, 0, 0, 0);
+    }
+}
+
 pub fn setuid(uid: uid_t) usize {
     if (@hasField(SYS, "setuid32")) {
         return syscall1(.setuid32, uid);