/*
** Allocate a countable mutex
*/
//static sqlite3_mutex *counterMutexAlloc(int eType){
// sqlite3_mutex pReal;
// sqlite3_mutex pRet = 0;
// Debug.Assert( g.isInit );
// Debug.Assert(eType<8 && eType>=0);
// pReal = g.m.xMutexAlloc(eType);
// if( null==pReal ) return 0;
// if( eType==SQLITE_MUTEX_FAST || eType==SQLITE_MUTEX_RECURSIVE ){
// pRet = (sqlite3_mutex *)malloc(sizeof(sqlite3_mutex));
// }else{
// pRet = &g.aStatic[eType-2];
// }
// pRet.eType = eType;
// pRet.pReal = pReal;
// return pRet;
//}
/*
** Free a countable mutex
*/
static void counterMutexFree(_sqlite3_mutex p)
{
Debug.Assert(g.isInit);
g.m.xMutexFree(p.pReal);
if (p.eType == SQLITE_MUTEX_FAST || p.eType == SQLITE_MUTEX_RECURSIVE)
{
p = null;//free(p);
}
}
/*
** Try to enter a mutex. Return true on success.
*/
static int counterMutexTry(_sqlite3_mutex p)
{
Debug.Assert(g.isInit);
g.aCounter[p.eType]++;
if (g.disableTry)
{
return(SQLITE_BUSY);
}
return(g.m.xMutexTry(p.pReal));
}
/* Return true if the countable mutex is not currently held */
static int counterMutexNotheld(_sqlite3_mutex p)
{
return(g.m.xMutexNotheld(p.pReal));
}
/* Leave a mutex
*/
static void counterMutexLeave(_sqlite3_mutex p)
{
Debug.Assert(g.isInit);
g.m.xMutexLeave(p.pReal);
}
/*
** Enter a countable mutex. Block until entry is safe.
*/
static void counterMutexEnter(_sqlite3_mutex p)
{
Debug.Assert(g.isInit);
g.aCounter[p.eType]++;
g.m.xMutexEnter(p.pReal);
}
/* Return true if the countable mutex is not currently held */
static int counterMutexNotheld( _sqlite3_mutex p )
{
return g.m.xMutexNotheld( p.pReal );
}
/* Leave a mutex
*/
static void counterMutexLeave( _sqlite3_mutex p )
{
Debug.Assert( g.isInit );
g.m.xMutexLeave( p.pReal );
}
/*
** Try to enter a mutex. Return true on success.
*/
static int counterMutexTry( _sqlite3_mutex p )
{
Debug.Assert( g.isInit );
g.aCounter[p.eType]++;
if ( g.disableTry ) return SQLITE_BUSY;
return g.m.xMutexTry( p.pReal );
}
/*
** Enter a countable mutex. Block until entry is safe.
*/
static void counterMutexEnter( _sqlite3_mutex p )
{
Debug.Assert( g.isInit );
g.aCounter[p.eType]++;
g.m.xMutexEnter( p.pReal );
}
/*
** Allocate a countable mutex
*/
//static sqlite3_mutex *counterMutexAlloc(int eType){
// sqlite3_mutex pReal;
// sqlite3_mutex pRet = 0;
// Debug.Assert( g.isInit );
// Debug.Assert(eType<8 && eType>=0);
// pReal = g.m.xMutexAlloc(eType);
// if( null==pReal ) return 0;
// if( eType==SQLITE_MUTEX_FAST || eType==SQLITE_MUTEX_RECURSIVE ){
// pRet = (sqlite3_mutex *)malloc(sizeof(sqlite3_mutex));
// }else{
// pRet = &g.aStatic[eType-2];
// }
// pRet.eType = eType;
// pRet.pReal = pReal;
// return pRet;
//}
/*
** Free a countable mutex
*/
static void counterMutexFree( _sqlite3_mutex p )
{
Debug.Assert( g.isInit );
g.m.xMutexFree( p.pReal );
if ( p.eType == SQLITE_MUTEX_FAST || p.eType == SQLITE_MUTEX_RECURSIVE )
{
p = null;//free(p);
}
}
