kern_condvar.c File Reference

#include <sys/cdefs.h>
#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/condvar.h>
#include <sys/sched.h>
#include <sys/signalvar.h>
#include <sys/sleepqueue.h>
#include <sys/resourcevar.h>

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Macros
#define	CV_ASSERT(cvp, lock, td)

Functions
	__FBSDID ("$BSDSUniX$")
void	cv_init (struct cv *cvp, const char *desc)
void	cv_destroy (struct cv *cvp)
void	_cv_wait (struct cv *cvp, struct lock_object *lock)
void	_cv_wait_unlock (struct cv *cvp, struct lock_object *lock)
int	_cv_wait_sig (struct cv *cvp, struct lock_object *lock)
int	_cv_timedwait (struct cv *cvp, struct lock_object *lock, int timo)
int	_cv_timedwait_sig (struct cv *cvp, struct lock_object *lock, int timo)
void	cv_signal (struct cv *cvp)
void	cv_broadcastpri (struct cv *cvp, int pri)

Macro Definition Documentation

#define CV_ASSERT	(		cvp,
			lock,
			td
	)

Value:

do {                                    \
        KASSERT((td) != NULL, ("%s: td NULL", __func__));               \
        KASSERT(TD_IS_RUNNING(td), ("%s: not TDS_RUNNING", __func__));  \
        KASSERT((cvp) != NULL, ("%s: cvp NULL", __func__));             \
        KASSERT((lock) != NULL, ("%s: lock NULL", __func__));           \
} while (0)

Definition at line 52 of file kern_condvar.c.

Referenced by _cv_timedwait(), _cv_timedwait_sig(), _cv_wait(), _cv_wait_sig(), and _cv_wait_unlock().

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

int _cv_timedwait	(	struct cv *	cvp,
		struct lock_object *	lock,
		int	timo
	)

Definition at line 278 of file kern_condvar.c.

References CV_ASSERT, Giant, panicstr, sleepq_add(), sleepq_lock(), sleepq_release(), sleepq_set_timeout(), and sleepq_timedwait().

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int _cv_timedwait_sig	(	struct cv *	cvp,
		struct lock_object *	lock,
		int	timo
	)

Definition at line 345 of file kern_condvar.c.

References CV_ASSERT, Giant, panicstr, sleepq_add(), sleepq_lock(), sleepq_release(), sleepq_set_timeout(), and sleepq_timedwait_sig().

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void _cv_wait	(	struct cv *	cvp,
		struct lock_object *	lock
	)

Definition at line 95 of file kern_condvar.c.

References CV_ASSERT, Giant, panicstr, sleepq_add(), sleepq_lock(), sleepq_release(), and sleepq_wait().

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int _cv_wait_sig	(	struct cv *	cvp,
		struct lock_object *	lock
	)

Definition at line 212 of file kern_condvar.c.

References CV_ASSERT, Giant, panicstr, sleepq_add(), sleepq_lock(), sleepq_release(), and sleepq_wait_sig().

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void _cv_wait_unlock	(	struct cv *	cvp,
		struct lock_object *	lock
	)

Definition at line 157 of file kern_condvar.c.

References CV_ASSERT, Giant, panicstr, sleepq_add(), sleepq_lock(), sleepq_release(), and sleepq_wait().

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void cv_broadcastpri	(	struct cv *	cvp,
		int	pri
	)

Definition at line 434 of file kern_condvar.c.

References sleepq_broadcast(), sleepq_lock(), and sleepq_release().

Referenced by doselwakeup(), and logtimeout().

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void cv_destroy

(

struct cv *

cvp

)

Definition at line 75 of file kern_condvar.c.

References sleepq_lock(), sleepq_lookup(), and sleepq_release().

Referenced by kern_sendfile(), ksem_drop(), sema_destroy(), and tty_dealloc().

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void cv_init	(	struct cv *	cvp,
		const char *	desc
	)

Definition at line 63 of file kern_condvar.c.

Referenced by devinit(), kern_sendfile(), ksem_alloc(), log_drvinit(), proc_init(), pts_alloc(), pts_alloc_external(), seltdinit(), sema_init(), tty_alloc_mutex(), and vntblinit().

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void cv_signal

(

struct cv *

cvp

)

Definition at line 414 of file kern_condvar.c.

References sleepq_lock(), sleepq_release(), and sleepq_signal().

Referenced by _sema_post(), sf_buf_mext(), sys_ksem_post(), and ttydev_write().

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