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/*
* Copyright (C) 2000-2020, Thomas Maier-Komor
*
* This file is part of mbuffer's source code.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "dest.h"
#include "globals.h"
#include <fcntl.h>
#include <time.h>
dest_t *Dest = 0;
int
Hashers = 0, /* number of hashing threads */
In = -1,
OptMode = O_EXCL,
Terminal = 0, /* do we have a controlling terminal? */
TermQ[2],
Tmp = -1;
volatile int
ActSenders = 0,
NumSenders = -1, /* number of sender threads */
SendSize = 0,
Terminate = 0, /* abort execution, because of error or signal */
Watchdog = 0; /* 0: off, 1: started, 2: raised */
volatile unsigned
Done = 0,
EmptyCount = 0, /* counter incremented when buffer runs empty */
FullCount = 0, /* counter incremented when buffer gets full */
MainOutOK = 1; /* is the main outputThread still writing or just coordinating senders */
volatile unsigned long long
Rest = 0,
Numin = 0,
Numout = 0,
InSize = 0;
char *volatile
SendAt = 0;
size_t
IDevBSize = 0,
PrefixLen = 0;
long
PgSz = 0,
Finish = -1, /* this is for graceful termination */
TickTime = 0;
char
*Prefix,
**Buffer;
pthread_mutex_t
TermMut = PTHREAD_MUTEX_INITIALIZER, /* prevents statusThread from interfering with request*Volume */
LowMut = PTHREAD_MUTEX_INITIALIZER,
HighMut = PTHREAD_MUTEX_INITIALIZER,
SendMut = PTHREAD_MUTEX_INITIALIZER;
sem_t
Dev2Buf,
Buf2Dev;
pthread_cond_t
PercLow = PTHREAD_COND_INITIALIZER, /* low watermark */
PercHigh = PTHREAD_COND_INITIALIZER, /* high watermark */
SendCond = PTHREAD_COND_INITIALIZER;
pthread_t
ReaderThr,
WatchdogThr;
struct timespec
Starttime;
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