From 2d5c094bbfb69841512007e1eb88c0c6bc1b5c28 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Fri, 12 Mar 2021 18:10:50 +0800
Subject: [PATCH] append ThreadMutext.mm

---
 src/Apple/ThreadMutext.mm | 62 +++++++++++++++++++++++++++++++++++++++
 src/CMakeLists.txt        |  4 +--
 2 files changed, 64 insertions(+), 2 deletions(-)
 create mode 100644 src/Apple/ThreadMutext.mm

diff --git a/src/Apple/ThreadMutext.mm b/src/Apple/ThreadMutext.mm
new file mode 100644
index 0000000..b88626c
--- /dev/null
+++ b/src/Apple/ThreadMutext.mm
@@ -0,0 +1,62 @@
+#include<hgl/thread/ThreadMutex.h>
+#include<hgl/TypeFunc.h>
+#include<pthread.h>
+#include<sys/time.h>
+
+namespace hgl
+{
+    void GetWaitTime(struct timespec &,double);
+
+    ThreadMutex::ThreadMutex()
+    {
+        ptr=OS_UNFAIR_LOCK_INIT;
+    }
+
+    ThreadMutex::~ThreadMutex()
+    {
+        if(ptr!=OS_UNFAIR_LOCK_INIT)
+            os_unfair_lock_unlock(&ptr);
+    }
+
+    /**
+    * 取得控制权
+    * 如果对象处于排斥状态，则等待
+    */
+    void ThreadMutex::Lock()
+    {
+        os_unfair_lock_lock(&ptr);
+    }
+
+    /**
+    * 尝试取得控制权
+    * @return 是否成功取得控制权
+    */
+    bool ThreadMutex::TryLock()
+    {
+        return os_unfair_lock_trylock(&ptr);
+    }
+
+#if !defined(__APPLE__)&&!defined(__ANDROID__)
+    /**
+    * 等待并取得控制权
+    * @param time 等待的最大时间,时间为0表示尝试
+    * @return 是否取得控制权
+    */
+    bool ThreadMutex::WaitLock(double t)
+    {
+        struct timespec abstime;
+
+        GetWaitTime(abstime,t);
+
+        return !pthread_mutex_timedlock(&ptr, &abstime);
+    }
+#endif//__APPLE__
+
+    /**
+    * 放弃控制权
+    */
+    void ThreadMutex::Unlock()
+    {
+        os_unfair_lock_unlock(&ptr);
+    }
+}//namespace hgl
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e54108e..8302dd4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -132,8 +132,8 @@ SET(PLATFORM_SOURCE ${PLATFORM_SOURCE}
                     ${PLATFORM_EXTERNAL_MODULE_SOURCE}
                     ${PLATFORM_INPUT_DEVICE_SOURCE}
                     ${PLATFORM_WINDOW_SOURCE}
-                    
-                    ${CPU_INFO_HEADER} 
+
+                    ${CPU_INFO_HEADER}
                     ${CPU_INFO_SOURCE}
 )