Jip J. Dekker
1d9faf38de
git-subtree-dir: software/gecode git-subtree-split: 313e87646da4fc2752a70e83df16d993121a8e40
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2009
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace Gecode { namespace Support {
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/*
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* Mutex
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*/
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forceinline
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Mutex::Mutex(void) {
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InitializeCriticalSection(&w_cs);
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}
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forceinline void
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Mutex::acquire(void) {
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EnterCriticalSection(&w_cs);
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}
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forceinline bool
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Mutex::tryacquire(void) {
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return TryEnterCriticalSection(&w_cs) != 0;
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}
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forceinline void
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Mutex::release(void) {
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LeaveCriticalSection(&w_cs);
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}
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forceinline
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Mutex::~Mutex(void) {
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DeleteCriticalSection(&w_cs);
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}
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/*
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* Event
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*/
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forceinline
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Event::Event(void)
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: w_h(CreateEvent(nullptr, FALSE, FALSE, nullptr)) {
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if (w_h == nullptr)
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throw OperatingSystemError("Event::Event[Windows::CreateEvent]");
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}
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forceinline void
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Event::signal(void) {
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if (SetEvent(w_h) == 0)
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throw OperatingSystemError("Event::signal[Windows::SetEvent]");
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}
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forceinline void
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Event::wait(void) {
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if (WaitForSingleObject(w_h,INFINITE) != 0)
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throw OperatingSystemError("Event::wait[Windows::WaitForSingleObject]");
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}
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forceinline
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Event::~Event(void) {
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if (CloseHandle(w_h) == 0) {
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std::cerr << "Operating system error: "
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<< "Event::~Event[Windows::CloseHandle]";
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std::terminate();
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}
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}
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/*
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* Thread
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*/
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forceinline void
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Thread::sleep(unsigned int ms) {
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Sleep(static_cast<DWORD>(ms));
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}
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forceinline unsigned int
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Thread::npu(void) {
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SYSTEM_INFO si;
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GetSystemInfo(&si);
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return static_cast<unsigned int>(si.dwNumberOfProcessors);
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}
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}}
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// STATISTICS: support-any
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