From cdd7e91948d6651c1813c78c34b843a552b4a936 Mon Sep 17 00:00:00 2001
From: drakbar <drakbar96@gmail.com>
Date: Mon, 14 Aug 2023 06:48:31 -0500
Subject: [PATCH] handle ESRCH for non existent process

---
 lib/std/os.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/std/os.zig b/lib/std/os.zig
index 0a1bcc9ac1e0..8cee99c7d72b 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -629,14 +629,14 @@ pub fn raise(sig: u8) RaiseError!void {
     @compileError("std.os.raise unimplemented for this target");
 }
 
-pub const KillError = error{PermissionDenied} || UnexpectedError;
+pub const KillError = error{ PermissionDenied, NoSuchProcess } || UnexpectedError;
 
 pub fn kill(pid: pid_t, sig: u8) KillError!void {
     switch (errno(system.kill(pid, sig))) {
         .SUCCESS => return,
         .INVAL => unreachable, // invalid signal
         .PERM => return error.PermissionDenied,
-        .SRCH => unreachable, // always a race condition
+        .SRCH => return error.NoSuchProcess, // always a race condition
         else => |err| return unexpectedErrno(err),
     }
 }