/usr/include/pi-threadsafe.h is in libpisock-dev 0.12.5-6ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /*
* $Id: pi-threadsafe.h,v 1.6 2008/11/06 10:45:33 desrod Exp $
*
* pi-threadsafe.h: utilities for thread-safe behavior
*
* Copyright (c) 2005, Florent Pillet.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This library 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 Library
* General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; if not, write to the Free Software Foundation,
* * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _PILOT_THREADSAFE_H
#define _PILOT_THREADSAFE_H
#if HAVE_PTHREAD
#include <pthread.h>
#define PI_THREADSAFE 1
#define PI_MUTEX_DECLARE(mutex_name) pthread_mutex_t mutex_name
#define PI_MUTEX_DEFINE(mutex_name) pthread_mutex_t mutex_name = PTHREAD_MUTEX_INITIALIZER
typedef pthread_mutex_t pi_mutex_t;
#else
/* when not in thread-safe mode, we still use dummy variables the
code will simply do nothing */
#define PI_THREADSAFE 0
#define PI_MUTEX_DECLARE(mutex_name) int mutex_name
/* dummy declaration for the code to compile */
#define PI_MUTEX_DEFINE(mutex_name) int mutex_name = 0
/* ditto from above */
typedef int pi_mutex_t;
#endif
extern int pi_mutex_lock(pi_mutex_t *mutex);
extern int pi_mutex_trylock(pi_mutex_t *mutex);
extern int pi_mutex_unlock(pi_mutex_t *mutex);
extern unsigned long pi_thread_id(void);
#endif
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