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112 lines
2.6 KiB
C

/* Copyright (C) 2003 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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <ndb_global.h>
#include <NdbThread.h>
#include <pthread.h>
#define MAX_THREAD_NAME 16
/*#define USE_PTHREAD_EXTRAS*/
struct NdbThread
{
pthread_t thread;
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;
int result;
pthread_attr_t thread_attr;
if (p_thread_func == NULL)
return 0;
tmpThread = (struct NdbThread*)malloc(sizeof(struct NdbThread));
if (tmpThread == NULL)
return NULL;
snprintf(tmpThread->thread_name, sizeof(tmpThread->thread_name),
"%s", p_thread_name);
pthread_attr_init(&thread_attr);
pthread_attr_setstacksize(&thread_attr, thread_stack_size);
#ifdef USE_PTHREAD_EXTRAS
/* Guard stack overflow with a 2k databuffer */
pthread_attr_setguardsize(&thread_attr, 2048);
#endif
pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
result = pthread_create(&tmpThread->thread,
&thread_attr,
p_thread_func,
p_thread_arg);
assert(result==0);
pthread_attr_destroy(&thread_attr);
return tmpThread;
}
void NdbThread_Destroy(struct NdbThread** p_thread)
{
if (*p_thread != NULL){
free(* p_thread);
* p_thread = 0;
}
}
int NdbThread_WaitFor(struct NdbThread* p_wait_thread, void** status)
{
int result;
if (p_wait_thread == NULL)
return 0;
if (p_wait_thread->thread == 0)
return 0;
result = pthread_join(p_wait_thread->thread, status);
return result;
}
void NdbThread_Exit(int status)
{
pthread_exit(&status);
}
int NdbThread_SetConcurrencyLevel(int level)
{
#ifdef USE_PTHREAD_EXTRAS
return pthread_setconcurrency(level);
#else
return 0;
#endif
}