From 7484bc31b491fe4cec694386f95962c6f0c0d1d9 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 11 Aug 2017 08:15:47 +0200
Subject: [PATCH] system/FileDescriptor: implement CreatePipe() on Windows

---
 src/system/FileDescriptor.cxx | 6 ++++++
 src/system/FileDescriptor.hxx | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/src/system/FileDescriptor.cxx b/src/system/FileDescriptor.cxx
index 38fa43b2d..d6d2a3b85 100644
--- a/src/system/FileDescriptor.cxx
+++ b/src/system/FileDescriptor.cxx
@@ -99,6 +99,8 @@ FileDescriptor::OpenNonBlocking(const char *pathname) noexcept
 	return Open(pathname, O_RDWR | O_NONBLOCK);
 }
 
+#endif
+
 bool
 FileDescriptor::CreatePipe(FileDescriptor &r, FileDescriptor &w) noexcept
 {
@@ -107,6 +109,8 @@ FileDescriptor::CreatePipe(FileDescriptor &r, FileDescriptor &w) noexcept
 #ifdef HAVE_PIPE2
 	const int flags = O_CLOEXEC;
 	const int result = pipe2(fds, flags);
+#elif defined(_WIN32)
+	const int result = _pipe(fds, 512, _O_BINARY);
 #else
 	const int result = pipe(fds);
 #endif
@@ -119,6 +123,8 @@ FileDescriptor::CreatePipe(FileDescriptor &r, FileDescriptor &w) noexcept
 	return true;
 }
 
+#ifndef _WIN32
+
 void
 FileDescriptor::SetNonBlocking() noexcept
 {
diff --git a/src/system/FileDescriptor.hxx b/src/system/FileDescriptor.hxx
index a049ad71d..4c0e1c3d0 100644
--- a/src/system/FileDescriptor.hxx
+++ b/src/system/FileDescriptor.hxx
@@ -110,9 +110,11 @@ public:
 
 #ifndef WIN32
 	bool OpenNonBlocking(const char *pathname) noexcept;
+#endif
 
 	static bool CreatePipe(FileDescriptor &r, FileDescriptor &w) noexcept;
 
+#ifndef _WIN32
 	/**
 	 * Enable non-blocking mode on this file descriptor.
 	 */