forked from OSchip/llvm-project
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
//===-- PThreadMutex.cpp ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Created by Greg Clayton on 12/9/08.
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//
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//===----------------------------------------------------------------------===//
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#include "PThreadMutex.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "DNBTimer.h"
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#if defined (DEBUG_PTHREAD_MUTEX_DEADLOCKS)
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PThreadMutex::Locker::Locker(PThreadMutex& m, const char *function, const char *file, const int line) :
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m_pMutex(m.Mutex()),
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m_function(function),
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m_file(file),
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m_line(line),
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m_lock_time(0)
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{
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Lock();
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}
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PThreadMutex::Locker::Locker(PThreadMutex* m, const char *function, const char *file, const int line) :
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m_pMutex(m ? m->Mutex() : NULL),
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m_function(function),
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m_file(file),
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m_line(line),
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m_lock_time(0)
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{
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Lock();
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}
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PThreadMutex::Locker::Locker(pthread_mutex_t *mutex, const char *function, const char *file, const int line) :
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m_pMutex(mutex),
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m_function(function),
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m_file(file),
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m_line(line),
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m_lock_time(0)
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{
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Lock();
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}
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PThreadMutex::Locker::~Locker()
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{
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Unlock();
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}
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void
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PThreadMutex::Locker::Lock()
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{
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if (m_pMutex)
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{
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m_lock_time = DNBTimer::GetTimeOfDay();
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if (::pthread_mutex_trylock (m_pMutex) != 0)
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{
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fprintf(stdout, "::pthread_mutex_trylock (%8.8p) mutex is locked (function %s in %s:%i), waiting...\n", m_pMutex, m_function, m_file, m_line);
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::pthread_mutex_lock (m_pMutex);
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fprintf(stdout, "::pthread_mutex_lock (%8.8p) succeeded after %6llu usecs (function %s in %s:%i)\n", m_pMutex, DNBTimer::GetTimeOfDay() - m_lock_time, m_function, m_file, m_line);
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}
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}
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}
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void
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PThreadMutex::Locker::Unlock()
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{
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fprintf(stdout, "::pthread_mutex_unlock (%8.8p) had lock for %6llu usecs in %s in %s:%i\n", m_pMutex, DNBTimer::GetTimeOfDay() - m_lock_time, m_function, m_file, m_line);
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::pthread_mutex_unlock (m_pMutex);
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}
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#endif
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