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94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef NDB_CONDITION_H
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#define NDB_CONDITION_H
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#include "NdbMutex.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct NdbCondition;
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/*
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// Create a condition
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//
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// * returnvalue: pointer to the condition structure
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*/
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struct NdbCondition* NdbCondition_Create(void);
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/*
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// Wait for a condition, allows a thread to wait for
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// a condition and atomically releases the associated mutex.
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//
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// * p_cond: pointer to the condition structure
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// * p_mutex: pointer to the mutex structure
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// * returnvalue: 0 = succeeded, 1 = failed
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*/
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int NdbCondition_Wait(struct NdbCondition* p_cond,
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NdbMutex* p_mutex);
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/*
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* Wait for a condition with timeout, allows a thread to
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* wait for a condition and atomically releases the associated mutex.
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*
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* @param p_cond - pointer to the condition structure
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* @param p_mutex - pointer to the mutex structure
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* @param msec - Wait for msec milli seconds the most
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* @return 0 = succeeded, 1 = failed
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* @
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*/
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int
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NdbCondition_WaitTimeout(struct NdbCondition* p_cond,
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NdbMutex* p_mutex,
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int msec);
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/*
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// Signal a condition
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//
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// * p_cond: pointer to the condition structure
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// * returnvalue: 0 = succeeded, 1 = failed
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*/
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int NdbCondition_Signal(struct NdbCondition* p_cond);
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/*
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// Broadcast a condition
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//
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// * p_cond: pointer to the condition structure
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// * returnvalue: 0 = succeeded, 1 = failed
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*/
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int NdbCondition_Broadcast(struct NdbCondition* p_cond);
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/*
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// Destroy a condition
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//
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// * p_cond: pointer to the condition structure
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// * returnvalue: 0 = succeeded, 1 = failed
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*/
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int NdbCondition_Destroy(struct NdbCondition* p_cond);
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#ifdef __cplusplus
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}
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#endif
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#endif
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