From f4bd1afb45ecf4caf48bd98ad1b401ea709684bc Mon Sep 17 00:00:00 2001
From: bkaradzic <branimirkaradzic@gmail.com>
Date: Mon, 25 Jun 2012 18:50:26 -0700
Subject: [PATCH] OSX port, thanks @MatthewEndsley.

---
 include/bx/mutex.h | 2 +-
 include/bx/os.h    | 2 +-
 include/bx/timer.h | 8 ++++++++
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/bx/mutex.h b/include/bx/mutex.h
index 7c1e906..b20bb9a 100644
--- a/include/bx/mutex.h
+++ b/include/bx/mutex.h
@@ -10,7 +10,7 @@
 #include "cpu.h"
 #include "sem.h"
 
-#if BX_PLATFORM_NACL || BX_PLATFORM_LINUX || BX_PLATFORM_ANDROID
+#if BX_PLATFORM_NACL || BX_PLATFORM_LINUX || BX_PLATFORM_ANDROID || BX_PLATFORM_OSX
 #	include <pthread.h>
 #elif BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360
 #	include <errno.h>
diff --git a/include/bx/os.h b/include/bx/os.h
index ed0ced4..57e8e78 100644
--- a/include/bx/os.h
+++ b/include/bx/os.h
@@ -8,7 +8,7 @@
 
 #include "bx.h"
 
-#if BX_PLATFORM_NACL || BX_PLATFORM_ANDROID || BX_PLATFORM_LINUX
+#if BX_PLATFORM_NACL || BX_PLATFORM_ANDROID || BX_PLATFORM_LINUX || BX_PLATFORM_OSX
 #	include <sched.h> // sched_yield
 #	if BX_PLATFORM_NACL
 #		include <sys/nacl_syscalls.h> // nanosleep
diff --git a/include/bx/timer.h b/include/bx/timer.h
index dd335f8..ff260d1 100644
--- a/include/bx/timer.h
+++ b/include/bx/timer.h
@@ -12,6 +12,8 @@
 #	include <time.h> // clock, clock_gettime
 #elif BX_PLATFORM_NACL | BX_PLATFORM_LINUX
 #	include <sys/time.h> // gettimeofday
+#elif BX_PLATFORM_OSX
+#	include <mach/mach_time.h> // mach_absolute_time/mach_timebase_info
 #endif // BX_PLATFORM_
 
 namespace bx
@@ -26,6 +28,8 @@ namespace bx
 		int64_t i64 = li.QuadPart;
 #elif BX_PLATFORM_ANDROID
 		int64_t i64 = clock();
+#elif BX_PLATFORM_OSX
+		int64_t i64 = mach_absolute_time();
 #else
 		struct timeval now;
 		gettimeofday(&now, 0);
@@ -43,6 +47,10 @@ namespace bx
 		return li.QuadPart;
 #elif BX_PLATFORM_ANDROID
 		return CLOCKS_PER_SEC;
+#elif BX_PLATFORM_OSX
+		mach_timebase_info_data_t info;
+		mach_timebase_info(&info);
+		return (int64_t)(info.denom * 1000000) / info.numer;
 #else
 		return 1000000;
 #endif // BNET_PLATFORM_