forked from OSchip/llvm-project
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
//===-- PThreadMutex.cpp ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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#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,
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const char *file, const int line)
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: m_pMutex(m.Mutex()), m_function(function), m_file(file), m_line(line),
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m_lock_time(0) {
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Lock();
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}
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PThreadMutex::Locker::Locker(PThreadMutex *m, const char *function,
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const char *file, const int line)
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: m_pMutex(m ? m->Mutex() : NULL), m_function(function), m_file(file),
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m_line(line), m_lock_time(0) {
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Lock();
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}
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PThreadMutex::Locker::Locker(pthread_mutex_t *mutex, const char *function,
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const char *file, const int line)
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: m_pMutex(mutex), m_function(function), m_file(file), m_line(line),
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m_lock_time(0) {
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Lock();
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}
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PThreadMutex::Locker::~Locker() { Unlock(); }
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void PThreadMutex::Locker::Lock() {
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if (m_pMutex) {
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m_lock_time = DNBTimer::GetTimeOfDay();
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if (::pthread_mutex_trylock(m_pMutex) != 0) {
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fprintf(stdout, "::pthread_mutex_trylock (%8.8p) mutex is locked "
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"(function %s in %s:%i), waiting...\n",
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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 "
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"usecs (function %s in %s:%i)\n",
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m_pMutex, DNBTimer::GetTimeOfDay() - m_lock_time, m_function,
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m_file, m_line);
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}
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}
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}
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void PThreadMutex::Locker::Unlock() {
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fprintf(stdout, "::pthread_mutex_unlock (%8.8p) had lock for %6llu usecs in "
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"%s in %s:%i\n",
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m_pMutex, DNBTimer::GetTimeOfDay() - m_lock_time, m_function, m_file,
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m_line);
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::pthread_mutex_unlock(m_pMutex);
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}
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#endif
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