ksrc/nucleus/synch.c File Reference

Detailed Description

Thread synchronization services.

Author:: Philippe Gerum

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 (struct xnsynch synch, xnflags_t flags, xnarch_atomic_t fastlock)
	Initialize a synchronization object.
xnflags_t	xnsynch_sleep_on (struct xnsynch *synch, xnticks_t timeout, xntmode_t timeout_mode)
	Sleep on an ownerless synchronization object.
struct xnthread *	xnsynch_wakeup_one_sleeper (struct xnsynch *synch)
	Give the resource ownership to the next waiting thread.
struct xnpholder *	xnsynch_wakeup_this_sleeper (struct xnsynch synch, struct xnpholder holder)
	Give the resource ownership to a given waiting thread.
xnflags_t	xnsynch_acquire (struct xnsynch *synch, xnticks_t timeout, xntmode_t timeout_mode)
	Acquire the ownership of a synchronization object.
static void	xnsynch_clear_boost (struct xnsynch synch, struct xnthread owner)
	Clear the priority boost.
void	xnsynch_requeue_sleeper (struct xnthread *thread)
	Change a sleeper's priority.
struct xnthread *	xnsynch_release (struct xnsynch *synch)
	Give the resource ownership to the next waiting thread.
struct xnthread *	xnsynch_peek_pendq (struct xnsynch *synch)
	Access the thread leading a synch object wait queue.
int	xnsynch_flush (struct xnsynch *synch, xnflags_t reason)
	Unblock all waiters pending on a resource.
void	xnsynch_forget_sleeper (struct xnthread *thread)
	Abort a wait for a resource.
void	xnsynch_release_all_ownerships (struct xnthread *thread)
	Release all ownerships.

ksrc/nucleus/synch.c File Reference

Detailed Description

Functions