Add even more of the source

This should be about everything needed to build so far?
2017-03-07 17:14:16 -08:00 · 2017-03-07 17:14:16 -08:00 · 849723c9cf
commit 849723c9cf
parent af3619d4fa
547 changed files with 149239 additions and 0 deletions
--- a/CommonUtilitiesLib/OSMutex.cpp
+++ b/CommonUtilitiesLib/OSMutex.cpp
@ -0,0 +1,158 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ */
+/*
+    File:       OSMutex.cpp
+
+    Contains:   Platform - independent mutex header. The implementation of this object
+                is platform - specific. Each platform must define an independent
+                QTSSMutex.h & QTSSMutex.cpp file.
+                
+                This file is for Mac OS X Server only
+
+    
+
+*/
+
+#include "OSMutex.h"
+#include <stdlib.h>
+#include "SafeStdLib.h"
+#include <string.h>
+
+// Private globals
+#if __PTHREADS_MUTEXES__
+    static pthread_mutexattr_t  *sMutexAttr=NULL;
+    static void MutexAttrInit();
+    
+    #if __solaris__
+            static pthread_once_t sMutexAttrInit = {PTHREAD_ONCE_INIT};
+    #else
+            static pthread_once_t sMutexAttrInit = PTHREAD_ONCE_INIT;
+    #endif
+    
+#endif
+
+OSMutex::OSMutex()
+{
+#ifdef __Win32__
+    ::InitializeCriticalSection(&fMutex);
+    fHolder = 0;
+    fHolderCount = 0;
+#elif __PTHREADS_MUTEXES__
+    (void)pthread_once(&sMutexAttrInit, MutexAttrInit);
+    (void)pthread_mutex_init(&fMutex, sMutexAttr);
+    
+    fHolder = 0;
+    fHolderCount = 0;
+#else
+    fMutex = mymutex_alloc();
+#endif
+}
+
+#if __PTHREADS_MUTEXES__
+void MutexAttrInit()
+{
+    sMutexAttr = (pthread_mutexattr_t*)malloc(sizeof(pthread_mutexattr_t));
+    ::memset(sMutexAttr, 0, sizeof(pthread_mutexattr_t));
+    pthread_mutexattr_init(sMutexAttr);
+}
+#endif
+
+OSMutex::~OSMutex()
+{
+#ifdef __Win32__
+    ::DeleteCriticalSection(&fMutex);
+#elif __PTHREADS_MUTEXES__
+    pthread_mutex_destroy(&fMutex);
+#else
+    mymutex_free(fMutex);
+#endif
+}
+
+#if __PTHREADS_MUTEXES__ || __Win32__
+void        OSMutex::RecursiveLock()
+{
+    // We already have this mutex. Just refcount and return
+    if (OSThread::GetCurrentThreadID() == fHolder)
+    {
+        fHolderCount++;
+        return;
+    }
+#ifdef __Win32__
+    ::EnterCriticalSection(&fMutex);
+#else
+    (void)pthread_mutex_lock(&fMutex);
+#endif
+    Assert(fHolder == 0);
+    fHolder = OSThread::GetCurrentThreadID();
+    fHolderCount++;
+    Assert(fHolderCount == 1);
+}
+
+void        OSMutex::RecursiveUnlock()
+{
+    if (OSThread::GetCurrentThreadID() != fHolder)
+        return;
+        
+    Assert(fHolderCount > 0);
+    fHolderCount--;
+    if (fHolderCount == 0)
+    {
+        fHolder = 0;
+#ifdef __Win32__
+        ::LeaveCriticalSection(&fMutex);
+#else
+        pthread_mutex_unlock(&fMutex);
+#endif
+    }
+}
+
+Bool16      OSMutex::RecursiveTryLock()
+{
+    // We already have this mutex. Just refcount and return
+    if (OSThread::GetCurrentThreadID() == fHolder)
+    {
+        fHolderCount++;
+        return true;
+    }
+
+#ifdef __Win32__
+    Bool16 theErr = (Bool16)::TryEnterCriticalSection(&fMutex); // Return values of this function match our API
+    if (!theErr)
+        return theErr;
+#else
+    int theErr = pthread_mutex_trylock(&fMutex);
+    if (theErr != 0)
+    {
+        Assert(theErr == EBUSY);
+        return false;
+    }
+#endif
+    Assert(fHolder == 0);
+    fHolder = OSThread::GetCurrentThreadID();
+    fHolderCount++;
+    Assert(fHolderCount == 1);
+    return true;
+}
+#endif //__PTHREADS_MUTEXES__ || __Win32__