msg.c File Reference

#include <linux/capability.h>
#include <linux/msg.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/proc_fs.h>
#include <linux/list.h>
#include <linux/security.h>
#include <linux/sched.h>
#include <linux/syscalls.h>
#include <linux/audit.h>
#include <linux/seq_file.h>
#include <linux/rwsem.h>
#include <linux/nsproxy.h>
#include <linux/ipc_namespace.h>
#include <asm/current.h>
#include <asm/uaccess.h>
#include "util.h"

Go to the source code of this file.

Data Structures
struct	msg_receiver
struct	msg_sender

Macros
#define	SEARCH_ANY   1
#define	SEARCH_EQUAL   2
#define	SEARCH_NOTEQUAL   3
#define	SEARCH_LESSEQUAL   4
#define	msg_ids(ns)   ((ns)->ids[IPC_MSG_IDS])
#define	msg_unlock(msq)   ipc_unlock(&(msq)->q_perm)

Functions
void	recompute_msgmni (struct ipc_namespace *ns)
void	msg_init_ns (struct ipc_namespace *ns)
void __init	msg_init (void)
	SYSCALL_DEFINE2 (msgget, key_t, key, int, msgflg)
	SYSCALL_DEFINE3 (msgctl, int, msqid, int, cmd, struct msqid_ds __user *, buf)
long	do_msgsnd (int msqid, long mtype, void __user *mtext, size_t msgsz, int msgflg)
	SYSCALL_DEFINE4 (msgsnd, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz, int, msgflg)
long	do_msgrcv (int msqid, long *pmtype, void __user *mtext, size_t msgsz, long msgtyp, int msgflg)
	SYSCALL_DEFINE5 (msgrcv, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz, long, msgtyp, int, msgflg)

Macro Definition Documentation

#define msg_ids

(

ns

)

((ns)->ids[IPC_MSG_IDS])

Definition at line 70 of file msg.c.

#define msg_unlock

(

msq

)

ipc_unlock(&(msq)->q_perm)

Definition at line 72 of file msg.c.

#define SEARCH_ANY   1

Definition at line 65 of file msg.c.

#define SEARCH_EQUAL   2

Definition at line 66 of file msg.c.

#define SEARCH_LESSEQUAL   4

Definition at line 68 of file msg.c.

#define SEARCH_NOTEQUAL   3

Definition at line 67 of file msg.c.

Function Documentation

long do_msgrcv	(	int	msqid,
		long *	pmtype,
		void __user *	mtext,
		size_t	msgsz,
		long	msgtyp,
		int	msgflg
	)

Definition at line 758 of file msg.c.

long do_msgsnd	(	int	msqid,
		long	mtype,
		void __user *	mtext,
		size_t	msgsz,
		int	msgflg
	)

Definition at line 638 of file msg.c.

void __init msg_init

(

void

)

Definition at line 131 of file msg.c.

void msg_init_ns

(

struct ipc_namespace *

ns

)

Definition at line 111 of file msg.c.

void recompute_msgmni

(

struct ipc_namespace *

ns

)

Definition at line 86 of file msg.c.

SYSCALL_DEFINE2	(	msgget	,
		key_t	,
		key	,
		int	,
		msgflg
	)

Definition at line 312 of file msg.c.

SYSCALL_DEFINE3	(	msgctl	,
		int	,
		msqid	,
		int	,
		cmd	,
		struct msqid_ds __user *	,
		buf
	)

Definition at line 472 of file msg.c.

SYSCALL_DEFINE4	(	msgsnd	,
		int	,
		msqid	,
		struct msgbuf __user *	,
		msgp	,
		size_t	,
		msgsz	,
		int	,
		msgflg
	)

Definition at line 729 of file msg.c.

SYSCALL_DEFINE5	(	msgrcv	,
		int	,
		msqid	,
		struct msgbuf __user *	,
		msgp	,
		size_t	,
		msgsz	,
		long	,
		msgtyp	,
		int	,
		msgflg
	)

Definition at line 910 of file msg.c.