Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/* -*- 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(nullptr, FALSE, FALSE, nullptr)) {
|
|
if (w_h == nullptr)
|
|
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
|