mirror of https://gitee.com/openkylin/linux.git
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License, version 2, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Copyright (C) 2017 Hari Bathini, IBM Corporation
|
|
*/
|
|
|
|
#ifndef __PERF_NAMESPACES_H
|
|
#define __PERF_NAMESPACES_H
|
|
|
|
#include "../perf.h"
|
|
#include <linux/list.h>
|
|
#include <linux/refcount.h>
|
|
|
|
struct namespaces_event;
|
|
|
|
struct namespaces {
|
|
struct list_head list;
|
|
u64 end_time;
|
|
struct perf_ns_link_info link_info[];
|
|
};
|
|
|
|
struct namespaces *namespaces__new(struct namespaces_event *event);
|
|
void namespaces__free(struct namespaces *namespaces);
|
|
|
|
struct nsinfo {
|
|
pid_t pid;
|
|
pid_t tgid;
|
|
pid_t nstgid;
|
|
bool need_setns;
|
|
char *mntns_path;
|
|
refcount_t refcnt;
|
|
};
|
|
|
|
struct nscookie {
|
|
int oldns;
|
|
int newns;
|
|
};
|
|
|
|
int nsinfo__init(struct nsinfo *nsi);
|
|
struct nsinfo *nsinfo__new(pid_t pid);
|
|
struct nsinfo *nsinfo__copy(struct nsinfo *nsi);
|
|
void nsinfo__delete(struct nsinfo *nsi);
|
|
|
|
struct nsinfo *nsinfo__get(struct nsinfo *nsi);
|
|
void nsinfo__put(struct nsinfo *nsi);
|
|
|
|
void nsinfo__mountns_enter(struct nsinfo *nsi, struct nscookie *nc);
|
|
void nsinfo__mountns_exit(struct nscookie *nc);
|
|
|
|
char *nsinfo__realpath(const char *path, struct nsinfo *nsi);
|
|
|
|
static inline void __nsinfo__zput(struct nsinfo **nsip)
|
|
{
|
|
if (nsip) {
|
|
nsinfo__put(*nsip);
|
|
*nsip = NULL;
|
|
}
|
|
}
|
|
|
|
#define nsinfo__zput(nsi) __nsinfo__zput(&nsi)
|
|
|
|
#endif /* __PERF_NAMESPACES_H */
|