mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-08-15 01:03:23 +00:00
242 lines
5.4 KiB
C
242 lines
5.4 KiB
C
|
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
|
||
|
// All rights reserved.
|
||
|
//
|
||
|
// Redistribution and use in source and binary forms, with or without
|
||
|
// modification, are permitted provided that the following conditions are met:
|
||
|
// * Redistributions of source code must retain the above copyright
|
||
|
// notice, this list of conditions and the following disclaimer.
|
||
|
// * Redistributions in binary form must reproduce the above copyright
|
||
|
// notice, this list of conditions and the following disclaimer in the
|
||
|
// documentation and/or other materials provided with the distribution.
|
||
|
// * Neither the name of the Andrey N. Sabelnikov nor the
|
||
|
// names of its contributors may be used to endorse or promote products
|
||
|
// derived from this software without specific prior written permission.
|
||
|
//
|
||
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
|
||
|
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||
|
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
//
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
#ifndef __WINH_OBJ_H__
|
||
|
#define __WINH_OBJ_H__
|
||
|
|
||
|
#include <condition_variable>
|
||
|
#include <mutex>
|
||
|
#include <boost/thread/locks.hpp>
|
||
|
#include <boost/thread/mutex.hpp>
|
||
|
#include <boost/thread/recursive_mutex.hpp>
|
||
|
|
||
|
namespace epee
|
||
|
{
|
||
|
|
||
|
struct simple_event
|
||
|
{
|
||
|
simple_event()
|
||
|
{
|
||
|
rised = false;
|
||
|
}
|
||
|
std::mutex m_mx;
|
||
|
std::condition_variable m_cond_var;
|
||
|
bool rised;
|
||
|
|
||
|
void rise()
|
||
|
{
|
||
|
std::unique_lock<std::mutex> lock(m_mx);
|
||
|
rised = true;
|
||
|
m_cond_var.notify_one();
|
||
|
}
|
||
|
|
||
|
void wait()
|
||
|
{
|
||
|
std::unique_lock<std::mutex> lock(m_mx);
|
||
|
while (!rised)
|
||
|
m_cond_var.wait(lock);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
class critical_region;
|
||
|
|
||
|
class critical_section
|
||
|
{
|
||
|
boost::recursive_mutex m_section;
|
||
|
|
||
|
public:
|
||
|
//to make copy fake!
|
||
|
critical_section(const critical_section& section)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
critical_section()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
~critical_section()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
void lock()
|
||
|
{
|
||
|
m_section.lock();
|
||
|
//EnterCriticalSection( &m_section );
|
||
|
}
|
||
|
|
||
|
void unlock()
|
||
|
{
|
||
|
m_section.unlock();
|
||
|
}
|
||
|
|
||
|
bool tryLock()
|
||
|
{
|
||
|
return m_section.try_lock();
|
||
|
}
|
||
|
|
||
|
// to make copy fake
|
||
|
critical_section& operator=(const critical_section& section)
|
||
|
{
|
||
|
return *this;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
|
||
|
template<class t_lock>
|
||
|
class critical_region_t
|
||
|
{
|
||
|
t_lock& m_locker;
|
||
|
bool m_unlocked;
|
||
|
|
||
|
critical_region_t(const critical_region_t&) {}
|
||
|
|
||
|
public:
|
||
|
critical_region_t(t_lock& cs): m_locker(cs), m_unlocked(false)
|
||
|
{
|
||
|
m_locker.lock();
|
||
|
}
|
||
|
|
||
|
~critical_region_t()
|
||
|
{
|
||
|
unlock();
|
||
|
}
|
||
|
|
||
|
void unlock()
|
||
|
{
|
||
|
if (!m_unlocked)
|
||
|
{
|
||
|
m_locker.unlock();
|
||
|
m_unlocked = true;
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
|
||
|
|
||
|
#if defined(WINDWOS_PLATFORM)
|
||
|
class shared_critical_section
|
||
|
{
|
||
|
public:
|
||
|
shared_critical_section()
|
||
|
{
|
||
|
::InitializeSRWLock(&m_srw_lock);
|
||
|
}
|
||
|
~shared_critical_section()
|
||
|
{}
|
||
|
|
||
|
bool lock_shared()
|
||
|
{
|
||
|
AcquireSRWLockShared(&m_srw_lock);
|
||
|
return true;
|
||
|
}
|
||
|
bool unlock_shared()
|
||
|
{
|
||
|
ReleaseSRWLockShared(&m_srw_lock);
|
||
|
return true;
|
||
|
}
|
||
|
bool lock_exclusive()
|
||
|
{
|
||
|
::AcquireSRWLockExclusive(&m_srw_lock);
|
||
|
return true;
|
||
|
}
|
||
|
bool unlock_exclusive()
|
||
|
{
|
||
|
::ReleaseSRWLockExclusive(&m_srw_lock);
|
||
|
return true;
|
||
|
}
|
||
|
private:
|
||
|
SRWLOCK m_srw_lock;
|
||
|
};
|
||
|
|
||
|
|
||
|
class shared_guard
|
||
|
{
|
||
|
public:
|
||
|
shared_guard(shared_critical_section& ref_sec):m_ref_sec(ref_sec)
|
||
|
{
|
||
|
m_ref_sec.lock_shared();
|
||
|
}
|
||
|
|
||
|
~shared_guard()
|
||
|
{
|
||
|
m_ref_sec.unlock_shared();
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
shared_critical_section& m_ref_sec;
|
||
|
};
|
||
|
|
||
|
|
||
|
class exclusive_guard
|
||
|
{
|
||
|
public:
|
||
|
exclusive_guard(shared_critical_section& ref_sec):m_ref_sec(ref_sec)
|
||
|
{
|
||
|
m_ref_sec.lock_exclusive();
|
||
|
}
|
||
|
|
||
|
~exclusive_guard()
|
||
|
{
|
||
|
m_ref_sec.unlock_exclusive();
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
shared_critical_section& m_ref_sec;
|
||
|
};
|
||
|
#endif
|
||
|
|
||
|
#define SHARED_CRITICAL_REGION_BEGIN(x) { shared_guard critical_region_var(x)
|
||
|
#define EXCLUSIVE_CRITICAL_REGION_BEGIN(x) { exclusive_guard critical_region_var(x)
|
||
|
|
||
|
#define CRITICAL_REGION_LOCAL(x) epee::critical_region_t<decltype(x)> critical_region_var(x)
|
||
|
#define CRITICAL_REGION_BEGIN(x) { epee::critical_region_t<decltype(x)> critical_region_var(x)
|
||
|
#define CRITICAL_REGION_LOCAL1(x) epee::critical_region_t<decltype(x)> critical_region_var1(x)
|
||
|
#define CRITICAL_REGION_BEGIN1(x) { epee::critical_region_t<decltype(x)> critical_region_var1(x)
|
||
|
|
||
|
#define CRITICAL_REGION_END() }
|
||
|
|
||
|
|
||
|
#if defined(WINDWOS_PLATFORM)
|
||
|
inline const char* get_wait_for_result_as_text(DWORD res)
|
||
|
{
|
||
|
switch(res)
|
||
|
{
|
||
|
case WAIT_ABANDONED: return "WAIT_ABANDONED";
|
||
|
case WAIT_TIMEOUT: return "WAIT_TIMEOUT";
|
||
|
case WAIT_OBJECT_0: return "WAIT_OBJECT_0";
|
||
|
case WAIT_OBJECT_0+1: return "WAIT_OBJECT_1";
|
||
|
case WAIT_OBJECT_0+2: return "WAIT_OBJECT_2";
|
||
|
default: return "UNKNOWN CODE";
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
}
|
||
|
|
||
|
#endif
|