From 1294f7bbdde787fa39d5789d94401b05128e677e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sun, 21 Jul 2024 13:25:21 +0200
Subject: [PATCH] std.posix: Don't consider NOSYS a valid error from
 sigaction().

I know of no "POSIX" system that does not have a sigaction() syscall.

Closes #20704.
---
 lib/std/posix.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/posix.zig b/lib/std/posix.zig
index 98f1ba4a853d..152265aa0de4 100644
--- a/lib/std/posix.zig
+++ b/lib/std/posix.zig
@@ -5681,7 +5681,7 @@ pub fn sigaltstack(ss: ?*stack_t, old_ss: ?*stack_t) SigaltstackError!void {
 pub fn sigaction(sig: u6, noalias act: ?*const Sigaction, noalias oact: ?*Sigaction) error{OperationNotSupported}!void {
     switch (errno(system.sigaction(sig, act, oact))) {
         .SUCCESS => return,
-        .INVAL, .NOSYS => return error.OperationNotSupported,
+        .INVAL => return error.OperationNotSupported,
         else => unreachable,
     }
 }