Added platform libs

2026-07-30 00:15:47 -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 +1,103 @@
+////////////////////////////////////////
+//  Event.cpp
+//
+//  Purpose:
+// 	    1. Implementation of the CEvent class.
+//
+//  Revisions:
+// 	    07/10/2001  Created                                    
+//
+
+#if defined(_REENTRANT)
+
+
+#include "Event.h"
+
+#ifdef EXTERNAL_DISTRO
+namespace NAMESPACE 
+{
+
+#endif
+namespace Base
+{
+
+    CEvent::CEvent() :
+        mMutex(),
+        mCond(),
+        mThreadCount(0)
+    {
+        pthread_mutex_init(&mMutex, NULL);
+        pthread_cond_init(&mCond, NULL);
+    }
+
+    CEvent::~CEvent()
+    {
+        pthread_cond_destroy(&mCond);
+        pthread_mutex_destroy(&mMutex);
+    }
+
+    bool CEvent::Signal()
+    {
+        pthread_mutex_lock(&mMutex);
+        if (mThreadCount == 0)
+            mThreadCount = SIGNALED;
+        pthread_cond_signal(&mCond);
+        
+        pthread_mutex_unlock(&mMutex);
+
+        return true;
+    }
+
+    int32 CEvent::Wait(uint32 timeout)
+    {
+        int result;
+
+        pthread_mutex_lock(&mMutex);
+        if (mThreadCount == SIGNALED)
+        {
+            mThreadCount = 0;
+            pthread_mutex_unlock(&mMutex);
+
+            return eWAIT_SIGNAL;
+        }
+
+        if (!timeout)
+        {
+            mThreadCount++;
+            result = pthread_cond_wait(&mCond, &mMutex);
+            mThreadCount--;
+
+            pthread_mutex_unlock(&mMutex);
+        }
+        else
+        {
+            struct timeval now;
+            struct timespec abs_timeout;
+
+            gettimeofday(&now, NULL);
+            abs_timeout.tv_sec  = now.tv_sec + timeout/1000;
+            abs_timeout.tv_nsec = now.tv_usec * 1000 + (timeout%1000)*1000000;
+            abs_timeout.tv_sec  += abs_timeout.tv_nsec / 1000000000;
+            abs_timeout.tv_nsec %= 1000000000;
+
+            mThreadCount++;
+            result = pthread_cond_timedwait(&mCond, &mMutex, &abs_timeout);
+            mThreadCount--;
+
+            pthread_mutex_unlock(&mMutex);
+        }
+
+        if (result == 0 || result == EINTR)
+            return eWAIT_SIGNAL;
+        else if (result == ETIMEDOUT)
+            return eWAIT_TIMEOUT;
+        else
+            return eWAIT_ERROR;
+    }
+
+}
+
+#ifdef EXTERNAL_DISTRO
+};
+#endif
+#endif  //  #if defined(_REENTRANT)