subr_msgbuf.c File Reference

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/lock.h>
#include <sys/kernel.h>
#include <sys/mutex.h>
#include <sys/msgbuf.h>
#include <sys/sysctl.h>

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Macros
#define	MAXPRIBUF   (sizeof(intmax_t) * NBBY + 3)
#define	SEQMOD(size)   ((size) * 16)

Functions
static u_int	msgbuf_cksum (struct msgbuf *mbp)
	SYSCTL_INT (_kern, OID_AUTO, msgbuf_show_timestamp, CTLFLAG_RW|CTLFLAG_TUN,&msgbuf_show_timestamp, 0,"Show timestamp in msgbuf")
	TUNABLE_INT ("kern.msgbuf_show_timestamp",&msgbuf_show_timestamp)
void	msgbuf_init (struct msgbuf *mbp, void *ptr, int size)
void	msgbuf_reinit (struct msgbuf *mbp, void *ptr, int size)
void	msgbuf_clear (struct msgbuf *mbp)
int	msgbuf_getcount (struct msgbuf *mbp)
static void	msgbuf_do_addchar (struct msgbuf *const mbp, u_int *const seq, const int c)
void	msgbuf_addchar (struct msgbuf *mbp, int c)
void	msgbuf_addstr (struct msgbuf *mbp, int pri, char *str, int filter_cr)
int	msgbuf_getchar (struct msgbuf *mbp)
int	msgbuf_getbytes (struct msgbuf *mbp, char *buf, int buflen)
int	msgbuf_peekbytes (struct msgbuf *mbp, char *buf, int buflen, u_int *seqp)
void	msgbuf_copy (struct msgbuf *src, struct msgbuf *dst)

Variables
static int	msgbuf_show_timestamp = 0

Macro Definition Documentation

#define MAXPRIBUF   (sizeof(intmax_t) * NBBY + 3)

Definition at line 44 of file subr_msgbuf.c.

Referenced by msgbuf_addstr().

#define SEQMOD

(

size

)

((size) * 16)

Definition at line 47 of file subr_msgbuf.c.

Referenced by msgbuf_init(), and msgbuf_reinit().

Function Documentation

void msgbuf_addchar	(	struct msgbuf *	mbp,
		int	c
	)

Definition at line 165 of file subr_msgbuf.c.

References msgbuf_do_addchar().

Referenced by msgbuf_copy(), and msglogchar().

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void msgbuf_addstr	(	struct msgbuf *	mbp,
		int	pri,
		char *	str,
		int	filter_cr
	)

Definition at line 183 of file subr_msgbuf.c.

References buf, MAXPRIBUF, msgbuf_do_addchar(), msgbuf_show_timestamp, snprintf(), sprintf(), and time_uptime.

Referenced by msglogstr(), and putbuf().

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static u_int msgbuf_cksum ( struct msgbuf *  mbp )

static

Definition at line 398 of file subr_msgbuf.c.

Referenced by msgbuf_reinit().

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void msgbuf_clear

(

struct msgbuf *

mbp

)

Definition at line 118 of file subr_msgbuf.c.

Referenced by msgbuf_init(), msgbuf_reinit(), and sysctl_kern_msgbuf_clear().

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void msgbuf_copy	(	struct msgbuf *	src,
		struct msgbuf *	dst
	)

Definition at line 412 of file subr_msgbuf.c.

References msgbuf_addchar(), and msgbuf_getchar().

Referenced by msgbufinit().

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static void msgbuf_do_addchar ( struct msgbuf *const  mbp, u_int *const  seq, const int  c  )

static

Definition at line 149 of file subr_msgbuf.c.

Referenced by msgbuf_addchar(), and msgbuf_addstr().

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int msgbuf_getbytes	(	struct msgbuf *	mbp,
		char *	buf,
		int	buflen
	)

Definition at line 321 of file subr_msgbuf.c.

Referenced by logread().

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int msgbuf_getchar

(

struct msgbuf *

mbp

)

Definition at line 293 of file subr_msgbuf.c.

Referenced by constty_clear(), constty_timeout(), and msgbuf_copy().

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int msgbuf_getcount

(

struct msgbuf *

mbp

)

Definition at line 131 of file subr_msgbuf.c.

Referenced by logioctl(), logkqread(), logpoll(), and logread().

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void msgbuf_init	(	struct msgbuf *	mbp,
		void *	ptr,
		int	size
	)

Definition at line 65 of file subr_msgbuf.c.

References msgbuf_clear(), mtx_init(), and SEQMOD.

Referenced by constty_set(), and msgbuf_reinit().

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int msgbuf_peekbytes	(	struct msgbuf *	mbp,
		char *	buf,
		int	buflen,
		u_int *	seqp
	)

Definition at line 360 of file subr_msgbuf.c.

Referenced by sysctl_kern_msgbuf().

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void msgbuf_reinit	(	struct msgbuf *	mbp,
		void *	ptr,
		int	size
	)

Definition at line 85 of file subr_msgbuf.c.

References bootverbose, msgbuf_cksum(), msgbuf_clear(), msgbuf_init(), mtx_init(), printf(), and SEQMOD.

Referenced by msgbufinit().

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SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		msgbuf_show_timestamp	,
		CTLFLAG_RW|	CTLFLAG_TUN,
		&	msgbuf_show_timestamp,
		0	,
		"Show timestamp in msgbuf"
	)

TUNABLE_INT	(	"kern.msgbuf_show_timestamp"	,
		&	msgbuf_show_timestamp
	)

Variable Documentation

int msgbuf_show_timestamp = 0

static

Definition at line 55 of file subr_msgbuf.c.

Referenced by msgbuf_addstr().