| //===-- PThreadMutex.cpp ----------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Created by Greg Clayton on 12/9/08. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "PThreadMutex.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "DNBTimer.h" |
| |
| #if defined(DEBUG_PTHREAD_MUTEX_DEADLOCKS) |
| |
| PThreadMutex::Locker::Locker(PThreadMutex &m, const char *function, |
| const char *file, const int line) |
| : m_pMutex(m.Mutex()), m_function(function), m_file(file), m_line(line), |
| m_lock_time(0) { |
| Lock(); |
| } |
| |
| PThreadMutex::Locker::Locker(PThreadMutex *m, const char *function, |
| const char *file, const int line) |
| : m_pMutex(m ? m->Mutex() : NULL), m_function(function), m_file(file), |
| m_line(line), m_lock_time(0) { |
| Lock(); |
| } |
| |
| PThreadMutex::Locker::Locker(pthread_mutex_t *mutex, const char *function, |
| const char *file, const int line) |
| : m_pMutex(mutex), m_function(function), m_file(file), m_line(line), |
| m_lock_time(0) { |
| Lock(); |
| } |
| |
| PThreadMutex::Locker::~Locker() { Unlock(); } |
| |
| void PThreadMutex::Locker::Lock() { |
| if (m_pMutex) { |
| m_lock_time = DNBTimer::GetTimeOfDay(); |
| if (::pthread_mutex_trylock(m_pMutex) != 0) { |
| 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); |
| ::pthread_mutex_lock(m_pMutex); |
| 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); |
| } |
| } |
| } |
| |
| void PThreadMutex::Locker::Unlock() { |
| 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); |
| ::pthread_mutex_unlock(m_pMutex); |
| } |
| |
| #endif |
