Added platform libs

2026-09-28 13:12:56 -04:00 · 2014-01-16 07:25:50 -07:00
parent 202d7d1de3
commit 77c2b5f6bc
92 changed files with 16139 additions and 2 deletions
@@ -0,0 +1,93 @@
+////////////////////////////////////////
+//  Event.cpp
+//
+//  Purpose:
+// 	    1. Implementation of the CEvent class.
+//
+//  Revisions:
+// 	    07/10/2001  Created                                    
+//
+
+#if defined(_REENTRANT)
+
+
+#include "Event.h"
+
+namespace Base
+{
+
+    CEvent::CEvent()
+    {
+        mWaiting = 0;
+        mSignaled = false; 
+        mInitialized = false;
+        if (pthread_cond_init( &mCond, NULL ) != 0)
+        {
+            return;
+        }
+
+        if (pthread_mutex_init( &mMutex, NULL ) != 0)
+        {
+            pthread_cond_destroy( &mCond );
+            return;
+        }
+        mInitialized = true;
+    }
+
+    CEvent::~CEvent()
+    {
+        if (mInitialized)
+        {
+            pthread_cond_destroy(&mCond);
+            pthread_mutex_destroy(&mMutex);
+        }
+    }
+    
+    int32 CEvent::Wait(uint32 timeout)
+    {
+        if (!mInitialized)
+            return CEvent::eWAIT_ERROR;
+
+        int result;
+        pthread_mutex_lock(&mMutex);
+	
+	if (mSignaled)
+	{
+	    mSignaled = false;
+	}
+        else if (!timeout)
+        {
+            mWaiting++;
+            result = pthread_cond_wait(&mCond, &mMutex);
+            mWaiting--;
+        }
+        else
+        {
+            struct timespec wake_time;
+
+            clock_gettime( CLOCK_REALTIME, &wake_time );
+            wake_time.tv_sec  += timeout/1000;
+            wake_time.tv_nsec += (timeout%1000)*1000000;
+
+            // normalize new time
+            wake_time.tv_sec  += wake_time.tv_nsec / 1000000000;
+            wake_time.tv_nsec %= 1000000000;
+            
+            mWaiting++;
+            result = pthread_cond_timedwait( &mCond, &mMutex, &wake_time );
+            mWaiting--;
+        }
+	pthread_mutex_unlock(&mMutex);
+
+        if (result == 0)
+            return CEvent::eWAIT_SIGNAL;
+        else if (result == ETIMEDOUT)
+            return CEvent::eWAIT_TIMEOUT;
+        else
+            return CEvent::eWAIT_ERROR;
+    }
+
+}
+
+
+#endif  //  #if defined(_REENTRANT)