int Misc::file_Unlink(const char* path, int32_t maxAttempts )
{
int32_t i;
if( ! path || ! * path )
return -1;
if( maxAttempts == 0 )
maxAttempts = 1;
while( maxAttempts != 0 )
{
if( _unlink( path ) != 0 )
return -1;
i = 0;
while( i < 100 )
{
if( ! Misc::dir_Exists( path ) )
return 1;
if( ++i > 50 ) // if it still doesn't show up, then we do some sleeping for the last 50ms
_LUCENE_SLEEP( 1 );
}
if( maxAttempts > 0 )
maxAttempts--;
}
return 0;
}
bool LuceneLock::obtain(int64_t lockWaitTimeout) {
bool locked = obtain();
if ( lockWaitTimeout < 0 && lockWaitTimeout != LOCK_OBTAIN_WAIT_FOREVER ) {
_CLTHROWA(CL_ERR_IllegalArgument,"lockWaitTimeout should be LOCK_OBTAIN_WAIT_FOREVER or a non-negative number");
}
int64_t maxSleepCount = lockWaitTimeout / LOCK_POLL_INTERVAL;
int64_t sleepCount = 0;
while (!locked) {
if ( lockWaitTimeout != LOCK_OBTAIN_WAIT_FOREVER && sleepCount++ == maxSleepCount ) {
_CLTHROWA(CL_ERR_IO,"Lock obtain timed out");
}
_LUCENE_SLEEP(LOCK_POLL_INTERVAL);
locked = obtain();
}
return locked;
}
