74 lines
1.3 KiB
C++
74 lines
1.3 KiB
C++
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#include "precomp_wasabi_bfc.h"
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#include "critsec.h"
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// uncomment this if needed
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//#define CS_DEBUG
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CriticalSection::CriticalSection() {
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#ifdef WIN32
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InitializeCriticalSection(&cs);
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#elif defined(__APPLE__)
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MPCreateCriticalRegion(&cr);
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#elif defined(LINUX)
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pthread_mutex_t recursive = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
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cs.mutex = recursive;
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#endif
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#ifdef ASSERTS_ENABLED
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#ifdef CS_DEBUG
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within = 0;
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#endif
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#endif
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}
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CriticalSection::~CriticalSection() {
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#ifdef CS_DEBUG
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#ifdef ASSERTS_ENABLED
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ASSERT(!within);
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#endif
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#endif
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#ifdef WIN32
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DeleteCriticalSection(&cs);
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#elif defined(__APPLE__)
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MPDeleteCriticalRegion(cr);
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#elif defined(LINUX)
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pthread_mutex_destroy(&cs.mutex);
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#endif
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}
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void CriticalSection::enter() {
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#ifdef WIN32
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EnterCriticalSection(&cs);
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#elif defined(__APPLE__)
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MPEnterCriticalRegion(cr, kDurationForever);
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#elif defined(LINUX)
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pthread_mutex_lock(&cs.mutex);
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#endif
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#ifdef CS_DEBUG
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#ifdef ASSERTS_ENABLED
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ASSERT(!within);
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within = 1;
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#endif
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#endif
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}
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void CriticalSection::leave() {
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#if defined(CS_DEBUG) && defined(ASSERTS_ENABLED)
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ASSERT(within);
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within = 0;
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#endif
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#ifdef WIN32
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LeaveCriticalSection(&cs);
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#elif defined(__APPLE__)
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MPExitCriticalRegion(cr);
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#elif defined(LINUX)
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pthread_mutex_unlock(&cs.mutex);
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#endif
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}
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void CriticalSection::inout() {
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enter();
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leave();
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}
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