NdbCondition.h
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上传日期:2022-05-23
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- /* 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_CONDITION_H
- #define NDB_CONDITION_H
- #include "NdbMutex.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- struct NdbCondition;
- /**
- * Create a condition
- *
- * returnvalue: pointer to the condition structure
- */
- struct NdbCondition* NdbCondition_Create(void);
- /**
- * Wait for a condition, allows a thread to wait for
- * a condition and atomically releases the associated mutex.
- *
- * p_cond: pointer to the condition structure
- * p_mutex: pointer to the mutex structure
- * returnvalue: 0 = succeeded, 1 = failed
- */
- int NdbCondition_Wait(struct NdbCondition* p_cond,
- NdbMutex* p_mutex);
- /*
- * Wait for a condition with timeout, allows a thread to
- * wait for a condition and atomically releases the associated mutex.
- *
- * @param p_cond - pointer to the condition structure
- * @param p_mutex - pointer to the mutex structure
- * @param msec - Wait for msec milli seconds the most
- * @return 0 = succeeded, 1 = failed
- * @
- */
- int
- NdbCondition_WaitTimeout(struct NdbCondition* p_cond,
- NdbMutex* p_mutex,
- int msec);
-
- /**
- * Signal a condition
- *
- * p_cond: pointer to the condition structure
- * returnvalue: 0 = succeeded, 1 = failed
- */
- int NdbCondition_Signal(struct NdbCondition* p_cond);
- /**
- * Broadcast a condition
- *
- * p_cond: pointer to the condition structure
- * returnvalue: 0 = succeeded, 1 = failed
- */
- int NdbCondition_Broadcast(struct NdbCondition* p_cond);
- /**
- * Destroy a condition
- *
- * p_cond: pointer to the condition structure
- * returnvalue: 0 = succeeded, 1 = failed
- */
- int NdbCondition_Destroy(struct NdbCondition* p_cond);
- #ifdef __cplusplus
- }
- #endif
- #endif