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/* Copyright (c) 2003-2005 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#include <ndb_global.h>
#include "NdbThread.h"
#include <process.h>
#define MAX_THREAD_NAME 16
typedef unsigned (WINAPI* NDB_WIN32_THREAD_FUNC)(void*);
struct NdbThread
{
HANDLE hThread;
unsigned nThreadId;
char thread_name[MAX_THREAD_NAME];
};
struct NdbThread* NdbThread_Create(NDB_THREAD_FUNC *p_thread_func,
NDB_THREAD_ARG *p_thread_arg,
const NDB_THREAD_STACKSIZE thread_stack_size,
const char* p_thread_name,
NDB_THREAD_PRIO thread_prio)
{
struct NdbThread* tmpThread;
unsigned initflag;
int nPriority = 0;
if(!p_thread_func)
return 0;
tmpThread = (struct NdbThread*)malloc(sizeof(struct NdbThread));
if(!tmpThread)
return 0;
strncpy((char*)&tmpThread->thread_name, p_thread_name, MAX_THREAD_NAME);
switch(thread_prio)
{
case NDB_THREAD_PRIO_HIGHEST: nPriority=THREAD_PRIORITY_HIGHEST; break;
case NDB_THREAD_PRIO_HIGH: nPriority=THREAD_PRIORITY_ABOVE_NORMAL; break;
case NDB_THREAD_PRIO_MEAN: nPriority=THREAD_PRIORITY_NORMAL; break;
case NDB_THREAD_PRIO_LOW: nPriority=THREAD_PRIORITY_BELOW_NORMAL; break;
case NDB_THREAD_PRIO_LOWEST: nPriority=THREAD_PRIORITY_LOWEST; break;
}
initflag = (nPriority ? CREATE_SUSPENDED : 0);
tmpThread->hThread = (HANDLE)_beginthreadex(0, thread_stack_size,
(NDB_WIN32_THREAD_FUNC)p_thread_func, p_thread_arg,
initflag, &tmpThread->nThreadId);
if(nPriority && tmpThread->hThread)
{
SetThreadPriority(tmpThread->hThread, nPriority);
ResumeThread (tmpThread->hThread);
}
assert(tmpThread->hThread);
return tmpThread;
}
void NdbThread_Destroy(struct NdbThread** p_thread)
{
CloseHandle((*p_thread)->hThread);
(*p_thread)->hThread = 0;
free(*p_thread);
*p_thread = 0;
}
int NdbThread_WaitFor(struct NdbThread* p_wait_thread, void** status)
{
void *local_status = 0;
if (status == 0)
status = &local_status;
if(WaitForSingleObject(p_wait_thread->hThread, INFINITE) == WAIT_OBJECT_0
&& GetExitCodeThread(p_wait_thread->hThread, (LPDWORD)status))
{
CloseHandle(p_wait_thread->hThread);
p_wait_thread->hThread = 0;
return 0;
}
return -1;
}
void NdbThread_Exit(int status)
{
_endthreadex((DWORD) status);
}
int NdbThread_SetConcurrencyLevel(int level)
{
return 0;
}
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