shm.c File Reference

#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/shm.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/mman.h>
#include <linux/shmem_fs.h>
#include <linux/security.h>
#include <linux/syscalls.h>
#include <linux/audit.h>
#include <linux/capability.h>
#include <linux/ptrace.h>
#include <linux/seq_file.h>
#include <linux/rwsem.h>
#include <linux/nsproxy.h>
#include <linux/mount.h>
#include <linux/ipc_namespace.h>
#include <asm/uaccess.h>
#include "util.h"

Go to the source code of this file.

Data Structures
struct	shm_file_data

Macros
#define	shm_file_data(file)   (*((struct shm_file_data **)&(file)->private_data))
#define	shm_ids(ns)   ((ns)->ids[IPC_SHM_IDS])
#define	shm_unlock(shp)   ipc_unlock(&(shp)->shm_perm)

Functions
void	shm_init_ns (struct ipc_namespace *ns)
	pure_initcall (ipc_ns_init)
void __init	shm_init (void)
void	shm_destroy_orphaned (struct ipc_namespace *ns)
void	exit_shm (struct task_struct *task)
int	is_file_shm_hugepages (struct file *file)
	SYSCALL_DEFINE3 (shmget, key_t, key, size_t, size, int, shmflg)
	SYSCALL_DEFINE3 (shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
long	do_shmat (int shmid, char __user *shmaddr, int shmflg, ulong *raddr, unsigned long shmlba)
	SYSCALL_DEFINE3 (shmat, int, shmid, char __user *, shmaddr, int, shmflg)
	SYSCALL_DEFINE1 (shmdt, char __user *, shmaddr)

Macro Definition Documentation

#define shm_file_data

(

file

)

(*((struct shm_file_data **)&(file)->private_data))

Definition at line 54 of file shm.c.

#define shm_ids

(

ns

)

((ns)->ids[IPC_SHM_IDS])

Definition at line 59 of file shm.c.

#define shm_unlock

(

shp

)

ipc_unlock(&(shp)->shm_perm)

Definition at line 61 of file shm.c.

Function Documentation

long do_shmat	(	int	shmid,
		char __user *	shmaddr,
		int	shmflg,
		ulong *	raddr,
		unsigned long	shmlba
	)

Definition at line 958 of file shm.c.

void exit_shm

(

struct task_struct *

task

)

Definition at line 310 of file shm.c.

int is_file_shm_hugepages

(

struct file *

file

)

Definition at line 435 of file shm.c.

pure_initcall

(

ipc_ns_init

)

void shm_destroy_orphaned

(

struct ipc_namespace *

ns

)

Definition at line 301 of file shm.c.

void __init shm_init

(

void

)

Definition at line 116 of file shm.c.

void shm_init_ns

(

struct ipc_namespace *

ns

)

Definition at line 72 of file shm.c.

SYSCALL_DEFINE1	(	shmdt	,
		char __user *	,
		shmaddr
	)

Definition at line 1124 of file shm.c.

SYSCALL_DEFINE3	(	shmget	,
		key_t	,
		key	,
		size_t	,
		size	,
		int	,
		shmflg
	)

Definition at line 574 of file shm.c.

SYSCALL_DEFINE3	(	shmctl	,
		int	,
		shmid	,
		int	,
		cmd	,
		struct shmid_ds __user *	,
		buf
	)

Definition at line 776 of file shm.c.

SYSCALL_DEFINE3	(	shmat	,
		int	,
		shmid	,
		char __user *	,
		shmaddr	,
		int	,
		shmflg
	)

Definition at line 1108 of file shm.c.