From 75159229075a2932beec44d46bf6850d2e585d3c Mon Sep 17 00:00:00 2001
From: Alex Cameron <ascottcameron@gmail.com>
Date: Sat, 12 Dec 2020 05:30:06 +0000
Subject: [PATCH] Fix Sigaction struct on FreeBSD.

---
 lib/std/os/bits/freebsd.zig | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/lib/std/os/bits/freebsd.zig b/lib/std/os/bits/freebsd.zig
index feac7b354a..3a71218b37 100644
--- a/lib/std/os/bits/freebsd.zig
+++ b/lib/std/os/bits/freebsd.zig
@@ -758,6 +758,43 @@ pub const Sigaction = extern struct {
     sa_mask: sigset_t,
 };
 
+pub const __siginfo = extern struct {
+    si_signo: c_int,
+    si_errno: c_int,
+    si_code: c_int,
+    si_pid: pid_t,
+    si_uid: uid_t,
+    si_status: c_int,
+    si_addr: ?*c_void,
+    si_value: sigval,
+    _reason: extern union {
+        _fault: extern struct {
+            _trapno: c_int,
+        },
+        _timer: extern struct {
+            _timerid: c_int,
+            _overrun: c_int,
+        },
+        _mesgq: extern struct {
+            _mqd: c_int,
+        },
+        _poll: extern struct {
+            _band: c_long,
+        },
+        __spare__: extern struct {
+            __spare1__: c_long,
+            __spare2__: [7]c_int,
+        },
+    },
+};
+
+pub const sigval = extern union {
+    sival_int: c_int,
+    sival_ptr: ?*c_void,
+    sigval_int: c_int,
+    sigval_ptr: ?*c_void,
+};
+
 pub const _SIG_WORDS = 4;
 pub const _SIG_MAXSIG = 128;
 
@@ -778,6 +815,8 @@ pub const sigset_t = extern struct {
     __bits: [_SIG_WORDS]u32,
 };
 
+pub const empty_sigset = sigset_t{ .__bits = [_]u32{0} ** _SIG_WORDS };
+
 pub const EPERM = 1; // Operation not permitted
 pub const ENOENT = 2; // No such file or directory
 pub const ESRCH = 3; // No such process