From b8d1060f0a240a3907033490a3e6615f78334a97 Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Wed, 29 May 2019 22:36:38 +0200
Subject: [PATCH] Add missing sigaltstack definition for darwin

---
 std/c/darwin.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/std/c/darwin.zig b/std/c/darwin.zig
index e45a158f68d3f5e67143e1d3e36a94d78a9a9dd6..d25cd14fc42a5271438cd6d780e010bbc62ebe83 100644
--- a/std/c/darwin.zig
+++ b/std/c/darwin.zig
@@ -54,3 +54,5 @@ pub extern "c" fn mach_port_deallocate(task: ipc_space_t, name: mach_port_name_t
 pub fn sigaddset(set: *sigset_t, signo: u5) void {
     set.* |= u32(1) << (signo - 1);
 }
+
+pub extern "c" fn sigaltstack(ss: ?*stack_t, old_ss: ?*stack_t) c_int;
-- 
2.54.0