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/* SPDX-License-Identifier: GPL-2.0 */
#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 */
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