80 lines
1.6 KiB
C++
Executable File
80 lines
1.6 KiB
C++
Executable File
/*
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Minetest
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Copyright (C) 2013 sapier, < sapier AT gmx DOT net >
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "jthread/jsemaphore.h"
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JSemaphore::JSemaphore() {
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m_hSemaphore = CreateSemaphore(
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0,
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0,
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MAX_SEMAPHORE_COUNT,
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0);
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}
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JSemaphore::~JSemaphore() {
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CloseHandle(m_hSemaphore);
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}
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JSemaphore::JSemaphore(int initval) {
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m_hSemaphore = CreateSemaphore(
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0,
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initval,
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MAX_SEMAPHORE_COUNT,
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0);
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}
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void JSemaphore::Post() {
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ReleaseSemaphore(
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m_hSemaphore,
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1,
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0);
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}
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void JSemaphore::Wait() {
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WaitForSingleObject(
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m_hSemaphore,
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INFINITE);
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}
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bool JSemaphore::Wait(unsigned int time_ms) {
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unsigned int retval = WaitForSingleObject(
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m_hSemaphore,
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time_ms);
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if (retval == WAIT_OBJECT_0)
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{
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return true;
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}
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else {
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assert(retval == WAIT_TIMEOUT);
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return false;
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}
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}
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int JSemaphore::GetValue() {
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long int retval = 0;
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ReleaseSemaphore(
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m_hSemaphore,
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0,
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&retval);
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return retval;
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}
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