sys/src/sysevtsrv.c File Reference

reading and clearing event flags More...

#include <linux/linkage.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <cebdef.h>
#include <pridef.h>
#include <cpudef.h>
#include <ssdef.h>
#include <system_data_cells.h>
#include <misc_routines.h>
#include <sch_routines.h>

Go to the source code of this file.

Defines
#define	MYDEB_EFC
Functions
unsigned long *	getefcp (struct _pcb *p, unsigned long efn)
	Returns a pointer to the event flag give a PCB and the event flag number.
unsigned long *	getefc (struct _pcb *p, unsigned long efn)
unsigned long *	getefcno (unsigned long efn)
asmlinkage int	exe_clref (unsigned int efn)
	clear event flag - see 5.2 9.8
asmlinkage int	exe_readef (unsigned int efn, unsigned int *state)
	read event flag - see 5.2 9.8
asmlinkage int	exe_setef (unsigned int efn)
	set event flag - see 5.2 9.8
Variables
long	efc []
long	efcc []

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Detailed Description

reading and clearing event flags

Author:

Roar Thronæs

Definition in file sysevtsrv.c.

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Define Documentation

#define MYDEB_EFC

Definition at line 23 of file sysevtsrv.c.

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Function Documentation

asmlinkage int exe_clref

(

unsigned int

efn

)

clear event flag - see 5.2 9.8

Parameters:

efn

event flag number

Definition at line 57 of file sysevtsrv.c.

References _pcb, ctl_gl_pcb, efc, efcc, getefc(), SS__WASCLR, and SS__WASSET.

Referenced by exe_enq(), exe_getdvi(), exe_getjpi(), exe_getsyi(), exe_qio(), exe_setimr(), and exe_synch().

asmlinkage int exe_readef	(	unsigned int	efn,
		unsigned int *	state
	)

read event flag - see 5.2 9.8

Parameters:

	efn	event flag number
	state	return here

Definition at line 90 of file sysevtsrv.c.

References _pcb, and getefc().

asmlinkage int exe_setef

(

unsigned int

efn

)

set event flag - see 5.2 9.8

Parameters:

efn

event flag number

Definition at line 103 of file sysevtsrv.c.

References _pcb, and sch_postef().

unsigned long* getefc	(	struct _pcb *	p,
		unsigned long	efn
	)			[inline]

Definition at line 35 of file sysevtsrv.c.

References _ceb::ceb_l_efc.

Referenced by exe_clref(), exe_readef(), exe_wait(), and sch_postef().

unsigned long* getefcno

(

unsigned long

efn

)

[inline]

Definition at line 44 of file sysevtsrv.c.

Referenced by sch_postef().

unsigned long* getefcp	(	struct _pcb *	p,
		unsigned long	efn
	)			[inline]

Returns a pointer to the event flag give a PCB and the event flag number.

Parameters:

	p	PCB pointer
	efn	event flag number

Definition at line 31 of file sysevtsrv.c.

Referenced by exe_ascefc(), exe_dacefc(), exe_wait(), and sch_postef().

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Variable Documentation

long efc[]

Definition at line 75 of file postef.c.

Referenced by exe_clref(), and sch_postef().

long efcc[]

Definition at line 76 of file postef.c.

Referenced by exe_clref(), and sch_postef().