From b993a9bf4c0350e6f3b72ba0635dc47b2fe67f46 Mon Sep 17 00:00:00 2001
From: Razican <razican@protonmail.ch>
Date: Thu, 25 May 2017 14:42:59 +0200
Subject: [PATCH 1/2] Added the sync() function from unistd.h

---
 src/unix/mod.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 8d794e74..07526045 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -853,6 +853,8 @@ extern {
     pub fn posix_openpt(flags: ::c_int) -> ::c_int;
     pub fn ptsname(fd: ::c_int) -> *mut ::c_char;
     pub fn unlockpt(fd: ::c_int) -> ::c_int;
+
+    pub fn sync();
 }
 
 cfg_if! {

From 406b01a811a00bbb831e28d3f563774cde4bfa23 Mon Sep 17 00:00:00 2001
From: Razican <razican@protonmail.ch>
Date: Fri, 26 May 2017 17:52:12 +0200
Subject: [PATCH 2/2] Fixed targets without the sync() function

---
 src/unix/bsd/mod.rs          | 2 ++
 src/unix/mod.rs              | 2 --
 src/unix/notbsd/linux/mod.rs | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
index 96b0f22a..deddca04 100644
--- a/src/unix/bsd/mod.rs
+++ b/src/unix/bsd/mod.rs
@@ -432,6 +432,8 @@ extern {
                link_name = "recvmsg$UNIX2003")]
     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int)
                    -> ::ssize_t;
+
+    pub fn sync();
 }
 
 cfg_if! {
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 07526045..8d794e74 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -853,8 +853,6 @@ extern {
     pub fn posix_openpt(flags: ::c_int) -> ::c_int;
     pub fn ptsname(fd: ::c_int) -> *mut ::c_char;
     pub fn unlockpt(fd: ::c_int) -> ::c_int;
-
-    pub fn sync();
 }
 
 cfg_if! {
diff --git a/src/unix/notbsd/linux/mod.rs b/src/unix/notbsd/linux/mod.rs
index b9375a36..c50c78ae 100644
--- a/src/unix/notbsd/linux/mod.rs
+++ b/src/unix/notbsd/linux/mod.rs
@@ -1001,6 +1001,7 @@ extern {
                     flags: ::c_int) -> ::c_int;
     pub fn recvmmsg(sockfd: ::c_int, msgvec: *mut mmsghdr, vlen: ::c_uint,
                     flags: ::c_int, timeout: *mut ::timespec) -> ::c_int;
+    pub fn sync();
 }
 
 cfg_if! {