| /* |
| * 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 <sys/types.h> |
| #include <linux/stddef.h> |
| #include <linux/perf_event.h> |
| #include <linux/refcount.h> |
| #include <linux/types.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; |
| char *oldcwd; |
| }; |
| |
| 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 */ |