From 24cde803d6259d5404c9d1dda40f45acf458c80e Mon Sep 17 00:00:00 2001
From: kiddkai <kiddkai@gmail.com>
Date: Wed, 5 Oct 2016 13:08:55 +1100
Subject: add getpgid

---
 src/unistd.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/unistd.rs b/src/unistd.rs
index 4549382d..2296e010 100644
--- a/src/unistd.rs
+++ b/src/unistd.rs
@@ -62,6 +62,11 @@ pub fn setpgid(pid: pid_t, pgid: pid_t) -> Result<()> {
     let res = unsafe { libc::setpgid(pid, pgid) };
     Errno::result(res).map(drop)
 }
+#[inline]
+pub fn getpgid(pid: Option<pid_t>) -> Result<pid_t> {
+    let res = unsafe { libc::getpgid(pid.unwrap_or(0 as pid_t)) };
+    Errno::result(res)
+}
 
 #[cfg(any(target_os = "linux", target_os = "android"))]
 #[inline]
@@ -441,6 +446,7 @@ pub fn isatty(fd: RawFd) -> Result<bool> {
     }
 }
 
+
 pub fn unlink<P: ?Sized + NixPath>(path: &P) -> Result<()> {
     let res = try!(path.with_nix_path(|cstr| {
         unsafe {
-- 
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