/usr/include/openturns/MutexLock.hxx is in libopenturns-dev 1.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | // -*- C++ -*-
/**
* @brief The class MutexLock manages the lock/unlock of Pthread mutexes
* This file is intended to be only include in .cxx files (avoid .hxx)
*
* Copyright 2005-2015 Airbus-EDF-IMACS-Phimeca
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENTURNS_MUTEXLOCK_HXX
#define OPENTURNS_MUTEXLOCK_HXX
#include <errno.h> // for errno(3)
#include <stdio.h> // for perror(3)
#include <stdlib.h> // for exit(3)
#include <string.h> // for strerror(3)
#include "OTprivate.hxx"
#include "OTthread.hxx"
BEGIN_NAMESPACE_OPENTURNS
class OT_API MutexLock
{
pthread_mutex_t & mtx_;
public:
MutexLock( pthread_mutex_t & mtx )
: mtx_(mtx)
{
int rc = pthread_mutex_lock( &mtx_ );
if (rc != 0)
{
fprintf( stderr, "(MutexLock ctor) rc=%d : %s\n", rc, strerror(rc) );
exit(1);
}
}
MutexLock( const MutexLock & other )
: mtx_(other.mtx_)
{
int rc = pthread_mutex_lock( &mtx_ );
if (rc != 0)
{
fprintf( stderr, "(MutexLock copy ctor) rc=%d : %s\n", rc, strerror(rc) );
exit(1);
}
}
virtual ~MutexLock() throw()
{
int rc = pthread_mutex_unlock( &mtx_ );
if (rc != 0)
{
fprintf( stderr, "(MutexLock dtor) rc=%d : %s\n", rc, strerror(rc) );
exit(1);
}
}
}; /* class MutexLock */
template<class T>
class MutexLockSingleton
{
T & singleton_;
MutexLock lock_;
public:
// Default constructor, defined by client classes
MutexLockSingleton( T & singleton ) throw();
// Default copy-constructor
MutexLockSingleton( const MutexLockSingleton<T> & other ) : singleton_(other.singleton_), lock_(other.lock_) {}
private:
// Disable copy-assignment
MutexLockSingleton& operator=( const MutexLockSingleton<T> & other );
public:
/** @copydoc Object::__repr__() const */
String __repr__() const { return singleton_.__repr__(); }
#ifndef SWIG
T & lock() throw() { return singleton_; }
const T & lock() const throw() { return singleton_; }
#endif
}; /* class MutexLockSingleton */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_MUTEXLOCK_HXX */
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