NdbThread.h
上传用户:romrleung
上传日期:2022-05-23
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文件大小:2k
- /* 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 */
- #ifndef NDB_THREAD_H
- #define NDB_THREAD_H
- #include <ndb_global.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef enum NDB_THREAD_PRIO_ENUM {
- NDB_THREAD_PRIO_HIGHEST,
- NDB_THREAD_PRIO_HIGH,
- NDB_THREAD_PRIO_MEAN,
- NDB_THREAD_PRIO_LOW,
- NDB_THREAD_PRIO_LOWEST
- } NDB_THREAD_PRIO;
- typedef void* (NDB_THREAD_FUNC)(void*);
- typedef void* NDB_THREAD_ARG;
- typedef size_t NDB_THREAD_STACKSIZE;
- struct NdbThread;
- /**
- * Create a thread
- *
- * * p_thread_func: pointer of the function to run in the thread
- * * p_thread_arg: pointer to argument to be passed to the thread
- * * thread_stack_size: stack size for this thread
- * * p_thread_name: pointer to name of this thread
- * * returnvalue: pointer to the created thread
- */
- 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);
- /**
- * Destroy a thread
- * Deallocates memory for thread
- * And NULL the pointer
- *
- */
- void NdbThread_Destroy(struct NdbThread** p_thread);
-
- /**
- * Waitfor a thread, suspend the execution of the calling thread
- * until the wait_thread_id completes
- *
- * * p_wait_thread, pointer to the thread to wait for
- * * status: exit code from thread waited for
- * * returnvalue: true = succeded, false = failed
- */
- int NdbThread_WaitFor(struct NdbThread* p_wait_thread, void** status);
- /**
- * Exit thread, terminates the calling thread
- *
- * * status: exit code
- */
- void NdbThread_Exit(void *status);
- /**
- * Set thread concurrency level
- *
- * *
- */
- int NdbThread_SetConcurrencyLevel(int level);
- #ifdef __cplusplus
- }
- #endif
- #endif