mirror of
https://github.com/markqvist/OpenModem.git
synced 2024-10-01 03:15:46 -04:00
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/**
|
|
* \file
|
|
* <!--
|
|
* This file is part of BeRTOS.
|
|
*
|
|
* Bertos 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 2 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* As a special exception, you may use this file as part of a free software
|
|
* library without restriction. Specifically, if other files instantiate
|
|
* templates or use macros or inline functions from this file, or you compile
|
|
* this file and link it with other files to produce an executable, this
|
|
* file does not by itself cause the resulting executable to be covered by
|
|
* the GNU General Public License. This exception does not however
|
|
* invalidate any other reasons why the executable file might be covered by
|
|
* the GNU General Public License.
|
|
*
|
|
* Copyright 2001,2004,2005,2006,2007 Develer S.r.l. (http://www.develer.com/)
|
|
* Copyright 1999,2000,2001 Bernie Innocenti <bernie@codewiz.org>
|
|
*
|
|
* -->
|
|
*
|
|
* \defgroup kern_sem Mutually exclusive semaphores
|
|
* \ingroup kern
|
|
* \{
|
|
* \brief Mutually exclusive semaphores.
|
|
* Shared locking not supported in this implementation.
|
|
*
|
|
*
|
|
* \author Bernie Innocenti <bernie@codewiz.org>
|
|
*
|
|
* $WIZ$ module_name = "semaphores"
|
|
* $WIZ$ module_depends = "kernel"
|
|
* $WIZ$ module_configuration = "bertos/cfg/cfg_sem.h"
|
|
*/
|
|
|
|
|
|
#ifndef KERN_SEM_H
|
|
#define KERN_SEM_H
|
|
|
|
#include <cfg/compiler.h>
|
|
#include <struct/list.h>
|
|
|
|
/* Fwd decl */
|
|
struct Process;
|
|
|
|
|
|
typedef struct Semaphore
|
|
{
|
|
struct Process *owner;
|
|
List wait_queue;
|
|
int nest_count;
|
|
} Semaphore;
|
|
|
|
/**
|
|
* \name Process synchronization services
|
|
* \{
|
|
*/
|
|
void sem_init(struct Semaphore *s);
|
|
bool sem_attempt(struct Semaphore *s);
|
|
void sem_obtain(struct Semaphore *s);
|
|
void sem_release(struct Semaphore *s);
|
|
/* \} */
|
|
/* \} */ //defgroup kern_sem
|
|
|
|
int sem_testRun(void);
|
|
int sem_testSetup(void);
|
|
int sem_testTearDown(void);
|
|
|
|
#endif /* KERN_SEM_H */
|