include/linux/pidfs.h

Source file repositories/reference/linux-study-clean/include/linux/pidfs.h

File Facts

System
Linux kernel
Corpus path
include/linux/pidfs.h
Extension
.h
Size
979 bytes
Lines
37
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _LINUX_PID_FS_H
#define _LINUX_PID_FS_H

#include <linux/gfp_types.h>

struct coredump_params;

struct file *pidfs_alloc_file(struct pid *pid, unsigned int flags);
void __init pidfs_init(void);
void pidfs_prepare_pid(struct pid *pid);
int pidfs_add_pid(struct pid *pid);
void pidfs_remove_pid(struct pid *pid);
void pidfs_exit(struct task_struct *tsk);
#ifdef CONFIG_COREDUMP
void pidfs_coredump(const struct coredump_params *cprm);
#endif
extern const struct dentry_operations pidfs_dentry_operations;
int pidfs_register_pid_gfp(struct pid *pid, gfp_t gfp);

/**
 * pidfs_register_pid - register a struct pid in pidfs
 * @pid: pid to pin
 *
 * Register a struct pid in pidfs.
 *
 * Return: On success zero, on error a negative error code is returned.
 */
static inline int pidfs_register_pid(struct pid *pid)
{
	return pidfs_register_pid_gfp(pid, GFP_KERNEL);
}

void pidfs_free_pid(struct pid *pid);

#endif /* _LINUX_PID_FS_H */

Annotation

Implementation Notes