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_RWTUN, &msgbuf_show_timestamp, 0, "Show timestamp in msgbuf")
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, const int c)
void	msgbuf_addchar (struct msgbuf *mbp, int c)
void	msgbuf_addstr (struct msgbuf *mbp, int pri, const 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)
void	msgbuf_duplicate (struct msgbuf *src, struct msgbuf *dst, char *dst_msgptr)

Variables
static int	msgbuf_show_timestamp = 0

Macro Definition Documentation

MAXPRIBUF

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

Definition at line 46 of file subr_msgbuf.c.

SEQMOD

#define SEQMOD

(

size

)

((size) * 16)

Definition at line 49 of file subr_msgbuf.c.

Function Documentation

msgbuf_addchar()

void msgbuf_addchar	(	struct msgbuf *	mbp,
		int	c
	)

Definition at line 166 of file subr_msgbuf.c.

References msgbuf_do_addchar().

Referenced by msgbuf_copy(), msglogchar(), and prf_putchar().

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msgbuf_addstr()

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

Definition at line 186 of file subr_msgbuf.c.

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

Referenced by msglogstr(), and prf_putbuf().

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msgbuf_cksum()

static u_int msgbuf_cksum ( struct msgbuf *  mbp )

static

Definition at line 391 of file subr_msgbuf.c.

Referenced by msgbuf_reinit().

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msgbuf_clear()

void msgbuf_clear

(

struct msgbuf *

mbp

)

Definition at line 119 of file subr_msgbuf.c.

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

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msgbuf_copy()

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

Definition at line 405 of file subr_msgbuf.c.

References msgbuf_addchar(), msgbuf_getchar(), and src.

Referenced by msgbufinit().

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msgbuf_do_addchar()

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

static

Definition at line 150 of file subr_msgbuf.c.

Referenced by msgbuf_addchar(), and msgbuf_addstr().

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msgbuf_duplicate()

void msgbuf_duplicate	(	struct msgbuf *	src,
		struct msgbuf *	dst,
		char *	dst_msgptr
	)

Definition at line 418 of file subr_msgbuf.c.

References src.

msgbuf_getbytes()

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

Definition at line 311 of file subr_msgbuf.c.

References buf.

Referenced by logread().

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msgbuf_getchar()

int msgbuf_getchar

(

struct msgbuf *

mbp

)

Definition at line 283 of file subr_msgbuf.c.

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

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msgbuf_getcount()

int msgbuf_getcount

(

struct msgbuf *

mbp

)

Definition at line 133 of file subr_msgbuf.c.

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

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msgbuf_init()

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

Definition at line 66 of file subr_msgbuf.c.

References msgbuf_clear(), and SEQMOD.

Referenced by constty_set(), and msgbuf_reinit().

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msgbuf_peekbytes()

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

Definition at line 350 of file subr_msgbuf.c.

References buf.

Referenced by sysctl_kern_msgbuf().

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msgbuf_reinit()

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

Definition at line 86 of file subr_msgbuf.c.

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

Referenced by msgbufinit().

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SYSCTL_INT()

SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		msgbuf_show_timestamp	,
		CTLFLAG_RWTUN	,
		&	msgbuf_show_timestamp,
		0	,
		"Show timestamp in msgbuf"
	)

Variable Documentation

msgbuf_show_timestamp

int msgbuf_show_timestamp = 0

static

Definition at line 57 of file subr_msgbuf.c.

Referenced by msgbuf_addstr().