mirror of https://github.com/Icinga/icinga2.git
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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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 General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "i2-base.h"
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using namespace icinga;
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typedef struct threadparam_s
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{
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ThreadProc callback;
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void *param;
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} threadparam_t;
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/**
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* Helper function that deals with OS-specific differences in the thread
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* proc's function signature.
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*/
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#ifdef _WIN32
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static DWORD WINAPI ThreadStartProc(LPVOID param)
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{
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threadparam_t *tparam = (threadparam_t *)param;
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tparam->callback(tparam->param);
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delete tparam;
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return 0;
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}
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#else /* _WIN32 */
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static void *ThreadStartProc(void *param)
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{
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threadparam_t *tparam = (threadparam_t *)param;
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tparam->callback(tparam->param);
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delete tparam;
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return NULL;
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}
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#endif /* _WIN32 */
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/**
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* Constructor for the thread class. Creates a new thread that begins
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* executing immediately.
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*/
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Thread::Thread(ThreadProc callback, void *param)
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{
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threadparam_t *tparam = new threadparam_t();
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if (tparam == NULL)
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throw OutOfMemoryException("Out of memory");
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tparam->callback = callback;
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tparam->param = param;
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#ifdef _WIN32
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m_Thread = CreateThread(NULL, 0, ThreadStartProc, tparam, CREATE_SUSPENDED, NULL);
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if (m_Thread == NULL)
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throw Win32Exception("CreateThread failed.", GetLastError());
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#else /* _WIN32 */
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pthread_create(&m_Thread, NULL, ThreadStartProc, &tparam);
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#endif /* _WIN32 */
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}
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/**
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* Destructor for the Thread class. Cleans up the resources associated
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* with the thread.
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*/
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Thread::~Thread(void)
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{
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#ifdef _WIN32
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CloseHandle(m_Thread);
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#else /* _WIN32 */
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/* nothing to do here */
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#endif
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}
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/**
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* Waits until the thread has finished executing.
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*/
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void Thread::Join(void)
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{
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#ifdef _WIN32
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WaitForSingleObject(m_Thread, INFINITE);
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#else /* _WIN32 */
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pthread_join(m_Thread, NULL);
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#endif
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}
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