You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
78 lines
1.3 KiB
78 lines
1.3 KiB
// |
|
// boost/signals2/detail/lwm_pthreads.hpp |
|
// |
|
// Copyright (c) 2002 Peter Dimov and Multi Media Ltd. |
|
// Copyright (c) 2008 Frank Mori Hess |
|
// |
|
// Distributed under the Boost Software License, Version 1.0. (See |
|
// accompanying file LICENSE_1_0.txt or copy at |
|
// http://www.boost.org/LICENSE_1_0.txt) |
|
// |
|
|
|
#ifndef BOOST_SIGNALS2_LWM_PTHREADS_HPP |
|
#define BOOST_SIGNALS2_LWM_PTHREADS_HPP |
|
|
|
// MS compatible compilers support #pragma once |
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
|
# pragma once |
|
#endif |
|
|
|
|
|
#include <pthread.h> |
|
|
|
namespace boost |
|
{ |
|
|
|
namespace signals2 |
|
{ |
|
|
|
class mutex |
|
{ |
|
private: |
|
|
|
pthread_mutex_t m_; |
|
|
|
mutex(mutex const &); |
|
mutex & operator=(mutex const &); |
|
|
|
public: |
|
|
|
mutex() |
|
{ |
|
|
|
// HPUX 10.20 / DCE has a nonstandard pthread_mutex_init |
|
|
|
#if defined(__hpux) && defined(_DECTHREADS_) |
|
pthread_mutex_init(&m_, pthread_mutexattr_default); |
|
#else |
|
pthread_mutex_init(&m_, 0); |
|
#endif |
|
} |
|
|
|
~mutex() |
|
{ |
|
pthread_mutex_destroy(&m_); |
|
} |
|
|
|
void lock() |
|
{ |
|
pthread_mutex_lock(&m_); |
|
} |
|
|
|
bool try_lock() |
|
{ |
|
return pthread_mutex_trylock(&m_) == 0; |
|
} |
|
|
|
void unlock() |
|
{ |
|
pthread_mutex_unlock(&m_); |
|
} |
|
}; |
|
|
|
} // namespace signals2 |
|
|
|
} // namespace boost |
|
|
|
#endif // #ifndef BOOST_SIGNALS2_LWM_PTHREADS_HPP
|
|
|