cregit-Linux how code gets into the kernel

Release 4.12 include/linux/proc_ns.h

Directory: include/linux
/*
 * procfs namespace bits
 */
#ifndef _LINUX_PROC_NS_H

#define _LINUX_PROC_NS_H

#include <linux/ns_common.h>

struct pid_namespace;
struct nsproxy;
struct path;
struct task_struct;
struct inode;


struct proc_ns_operations {
	
const char *name;
	
const char *real_ns_name;
	
int type;
	
struct ns_common *(*get)(struct task_struct *task);
	
void (*put)(struct ns_common *ns);
	
int (*install)(struct nsproxy *nsproxy, struct ns_common *ns);
	
struct user_namespace *(*owner)(struct ns_common *ns);
	
struct ns_common *(*get_parent)(struct ns_common *ns);
};

extern const struct proc_ns_operations netns_operations;
extern const struct proc_ns_operations utsns_operations;
extern const struct proc_ns_operations ipcns_operations;
extern const struct proc_ns_operations pidns_operations;
extern const struct proc_ns_operations pidns_for_children_operations;
extern const struct proc_ns_operations userns_operations;
extern const struct proc_ns_operations mntns_operations;
extern const struct proc_ns_operations cgroupns_operations;

/*
 * We always define these enumerators
 */
enum {
	
PROC_ROOT_INO		= 1,
	
PROC_IPC_INIT_INO	= 0xEFFFFFFFU,
	
PROC_UTS_INIT_INO	= 0xEFFFFFFEU,
	
PROC_USER_INIT_INO	= 0xEFFFFFFDU,
	
PROC_PID_INIT_INO	= 0xEFFFFFFCU,
	
PROC_CGROUP_INIT_INO	= 0xEFFFFFFBU,
};

#ifdef CONFIG_PROC_FS

extern int pid_ns_prepare_proc(struct pid_namespace *ns);
extern void pid_ns_release_proc(struct pid_namespace *ns);
extern int proc_alloc_inum(unsigned int *pino);
extern void proc_free_inum(unsigned int inum);

#else /* CONFIG_PROC_FS */


static inline int pid_ns_prepare_proc(struct pid_namespace *ns) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
David Howells15100.00%1100.00%
Total15100.00%1100.00%


static inline void pid_ns_release_proc(struct pid_namespace *ns) {}

Contributors

PersonTokensPropCommitsCommitProp
David Howells11100.00%1100.00%
Total11100.00%1100.00%


static inline int proc_alloc_inum(unsigned int *inum) { *inum = 1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
David Howells20100.00%1100.00%
Total20100.00%1100.00%


static inline void proc_free_inum(unsigned int inum) {}

Contributors

PersonTokensPropCommitsCommitProp
David Howells10100.00%1100.00%
Total10100.00%1100.00%

#endif /* CONFIG_PROC_FS */
static inline int ns_alloc_inum(struct ns_common *ns) { atomic_long_set(&ns->stashed, 0); return proc_alloc_inum(&ns->inum); }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro2167.74%150.00%
David Howells1032.26%150.00%
Total31100.00%2100.00%

#define ns_free_inum(ns) proc_free_inum((ns)->inum) extern struct file *proc_ns_fget(int fd); #define get_proc_ns(inode) ((struct ns_common *)(inode)->i_private) extern void *ns_get_path(struct path *path, struct task_struct *task, const struct proc_ns_operations *ns_ops); extern int ns_get_name(char *buf, size_t size, struct task_struct *task, const struct proc_ns_operations *ns_ops); extern void nsfs_init(void); #endif /* _LINUX_PROC_NS_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells23758.66%111.11%
Al Viro11227.72%333.33%
Andrey Vagin286.93%222.22%
Aditya Kali163.96%111.11%
Kirill Tkhai112.72%222.22%
Total404100.00%9100.00%
Directory: include/linux
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.