From 92d50c9c79e7038db097344d8f00e774277ee519 Mon Sep 17 00:00:00 2001
From: Bryan Drewery <bryan@shatow.net>
Date: Mon, 26 Feb 2018 16:36:13 -0800
Subject: [PATCH] Add posix_spawn bindings for FreeBSD

---
 libc-test/build.rs                      |  1 +
 src/unix/bsd/freebsdlike/freebsd/mod.rs | 76 +++++++++++++++++++++++++
 2 files changed, 77 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 10505db9..7cb9317c 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -294,6 +294,7 @@ fn main() {
         cfg.header("sys/shm.h");
         cfg.header("sys/procdesc.h");
         cfg.header("sys/rtprio.h");
+        cfg.header("spawn.h");
     }
 
     if netbsd {
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 1e5f4f03..34d34d89 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -15,6 +15,9 @@ pub type key_t = ::c_long;
 pub type msglen_t = ::c_ulong;
 pub type msgqnum_t = ::c_ulong;
 
+pub type posix_spawnattr_t = *mut ::c_void;
+pub type posix_spawn_file_actions_t = *mut ::c_void;
+
 s! {
     pub struct utmpx {
         pub ut_type: ::c_short,
@@ -851,6 +854,13 @@ pub const RTP_PRIO_REALTIME: ::c_ushort = 2;
 pub const RTP_PRIO_NORMAL: ::c_ushort = 3;
 pub const RTP_PRIO_IDLE: ::c_ushort = 4;
 
+pub const POSIX_SPAWN_RESETIDS: ::c_int = 0x01;
+pub const POSIX_SPAWN_SETPGROUP: ::c_int = 0x02;
+pub const POSIX_SPAWN_SETSCHEDPARAM: ::c_int = 0x04;
+pub const POSIX_SPAWN_SETSCHEDULER: ::c_int = 0x08;
+pub const POSIX_SPAWN_SETSIGDEF: ::c_int = 0x10;
+pub const POSIX_SPAWN_SETSIGMASK: ::c_int = 0x20;
+
 extern {
     pub fn __error() -> *mut ::c_int;
 
@@ -913,6 +923,72 @@ extern {
 
     pub fn rtprio_thread(function: ::c_int, lwpid: ::lwpid_t,
                          rtp: *mut super::rtprio) -> ::c_int;
+
+    pub fn posix_spawn(pid: *mut ::pid_t,
+                       path: *const ::c_char,
+                       file_actions: *const ::posix_spawn_file_actions_t,
+                       attrp: *const ::posix_spawnattr_t,
+                       argv: *const *mut ::c_char,
+                       envp: *const *mut ::c_char) -> ::c_int;
+    pub fn posix_spawnp(pid: *mut ::pid_t,
+                       file: *const ::c_char,
+                        file_actions: *const ::posix_spawn_file_actions_t,
+                        attrp: *const ::posix_spawnattr_t,
+                        argv: *const *mut ::c_char,
+                        envp: *const *mut ::c_char) -> ::c_int;
+    pub fn posix_spawnattr_init(attr: *mut posix_spawnattr_t) -> ::c_int;
+    pub fn posix_spawnattr_destroy(attr: *mut posix_spawnattr_t) -> ::c_int;
+    pub fn posix_spawnattr_getsigdefault(attr: *const posix_spawnattr_t,
+                                         default: *mut ::sigset_t) -> ::c_int;
+    pub fn posix_spawnattr_setsigdefault(attr: *mut posix_spawnattr_t,
+                                         default: *const ::sigset_t) -> ::c_int;
+    pub fn posix_spawnattr_getsigmask(attr: *const posix_spawnattr_t,
+                                      default: *mut ::sigset_t) -> ::c_int;
+    pub fn posix_spawnattr_setsigmask(attr: *mut posix_spawnattr_t,
+                                      default: *const ::sigset_t) -> ::c_int;
+    pub fn posix_spawnattr_getflags(attr: *const posix_spawnattr_t,
+                                    flags: *mut ::c_short) -> ::c_int;
+    pub fn posix_spawnattr_setflags(attr: *mut posix_spawnattr_t,
+                                    flags: ::c_short) -> ::c_int;
+    pub fn posix_spawnattr_getpgroup(attr: *const posix_spawnattr_t,
+                                     flags: *mut ::pid_t) -> ::c_int;
+    pub fn posix_spawnattr_setpgroup(attr: *mut posix_spawnattr_t,
+                                     flags: ::pid_t) -> ::c_int;
+    pub fn posix_spawnattr_getschedpolicy(attr: *const posix_spawnattr_t,
+                                          flags: *mut ::c_int) -> ::c_int;
+    pub fn posix_spawnattr_setschedpolicy(attr: *mut posix_spawnattr_t,
+                                          flags: ::c_int) -> ::c_int;
+    pub fn posix_spawnattr_getschedparam(
+        attr: *const posix_spawnattr_t,
+        param: *mut ::sched_param,
+    ) -> ::c_int;
+    pub fn posix_spawnattr_setschedparam(
+        attr: *mut posix_spawnattr_t,
+        param: *const ::sched_param,
+    ) -> ::c_int;
+
+    pub fn posix_spawn_file_actions_init(
+        actions: *mut posix_spawn_file_actions_t,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_destroy(
+        actions: *mut posix_spawn_file_actions_t,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_addopen(
+        actions: *mut posix_spawn_file_actions_t,
+        fd: ::c_int,
+        path: *const ::c_char,
+        oflag: ::c_int,
+        mode: ::mode_t,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_addclose(
+        actions: *mut posix_spawn_file_actions_t,
+        fd: ::c_int,
+    ) -> ::c_int;
+    pub fn posix_spawn_file_actions_adddup2(
+        actions: *mut posix_spawn_file_actions_t,
+        fd: ::c_int,
+        newfd: ::c_int,
+    ) -> ::c_int;
 }
 
 cfg_if! {