windows.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2009
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
namespace Gecode { namespace Support {
/*
* Mutex
*/
forceinline
Mutex::Mutex(void) {
InitializeCriticalSection(&w_cs);
}
forceinline void
Mutex::acquire(void) {
EnterCriticalSection(&w_cs);
}
forceinline bool
Mutex::tryacquire(void) {
return TryEnterCriticalSection(&w_cs) != 0;
}
forceinline void
Mutex::release(void) {
LeaveCriticalSection(&w_cs);
}
forceinline
Mutex::~Mutex(void) {
DeleteCriticalSection(&w_cs);
}
/*
* Event
*/
forceinline
Event::Event(void)
: w_h(CreateEvent(NULL, FALSE, FALSE, NULL)) {
if (w_h == NULL)
throw OperatingSystemError("Event::Event[Windows::CreateEvent]");
}
forceinline void
Event::signal(void) {
if (SetEvent(w_h) == 0)
throw OperatingSystemError("Event::signal[Windows::SetEvent]");
}
forceinline void
Event::wait(void) {
if (WaitForSingleObject(w_h,INFINITE) != 0)
throw OperatingSystemError("Event::wait[Windows::WaitForSingleObject]");
}
forceinline
Event::~Event(void) {
if (CloseHandle(w_h) == 0) {
std::cerr << "Operating system error: "
<< "Event::~Event[Windows::CloseHandle]";
std::terminate();
}
}
/*
* Thread
*/
forceinline void
Thread::sleep(unsigned int ms) {
Sleep(static_cast<DWORD>(ms));
}
forceinline unsigned int
Thread::npu(void) {
SYSTEM_INFO si;
GetSystemInfo(&si);
return static_cast<unsigned int>(si.dwNumberOfProcessors);
}
}}
// STATISTICS: support-any
Gecode::Support::Event::Event
Event(void)
Initialize event.
Definition none.hpp:57
Gecode::Support::Mutex::Mutex
Mutex(void)
Initialize mutex.
Definition none.hpp:40
Gecode::Support::Mutex::~Mutex
~Mutex(void)
Delete mutex.
Definition none.hpp:50
Gecode::Support::Mutex::release
void release(void)
Release the mutex.
Definition none.hpp:48
Gecode::Support::Mutex::tryacquire
bool tryacquire(void)
Try to acquire the mutex, return true if succesful.
Definition none.hpp:44
Gecode::Support::Mutex::acquire
void acquire(void)
Acquire the mutex and possibly block.
Definition none.hpp:42
Gecode::Support
Support algorithms and datastructures
Gecode
Gecode toplevel namespace
Test::Int::MiniModelSet::si
const SetInstr * si[]
Definition mm-set.cpp:4341
forceinline
#define forceinline
Definition config.hpp:187