ksrc/nucleus/synch.c File Reference

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Detailed Description

Thread synchronization services.

Author:

Philippe Gerum

Copyright (C) 2001,2002,2003 Philippe Gerum <rpm@xenomai.org>.

Xenomai 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.

Xenomai 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 Xenomai; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Include dependency graph for synch.c:

Functions
void	xnsynch_init (xnsynch_t *synch, xnflags_t flags)
	Initialize a synchronization object.
void	xnsynch_sleep_on (xnsynch_t *synch, xnticks_t timeout, xntmode_t timeout_mode)
	Sleep on a synchronization object.
static void	xnsynch_clear_boost (xnsynch_t *synch, xnthread_t *lastowner)
	Clear the priority boost.
void	xnsynch_renice_sleeper (xnthread_t *thread)
	Change a sleeper's priority.
xnthread_t *	xnsynch_wakeup_one_sleeper (xnsynch_t *synch)
	Give the resource ownership to the next waiting thread.
xnthread_t *	xnsynch_peek_pendq (xnsynch_t *synch)
	Access the thread leading a synch object wait queue.
xnpholder_t *	xnsynch_wakeup_this_sleeper (xnsynch_t *synch, xnpholder_t *holder)
	Give the resource ownership to a given waiting thread.
int	xnsynch_flush (xnsynch_t *synch, xnflags_t reason)
	Unblock all waiters pending on a resource.
void	xnsynch_forget_sleeper (xnthread_t *thread)
	Abort a wait for a resource.
void	xnsynch_release_all_ownerships (xnthread_t *thread)
	Release all ownerships.

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