1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) 2017 Hari Bathini, IBM Corporation
7 #ifndef __PERF_NAMESPACES_H
8 #define __PERF_NAMESPACES_H
10 #include <sys/types.h>
11 #include <linux/stddef.h>
12 #include <linux/perf_event.h>
13 #include <linux/refcount.h>
14 #include <linux/types.h>
16 #ifndef HAVE_SETNS_SUPPORT
17 int setns(int fd, int nstype);
20 struct namespaces_event;
23 struct list_head list;
25 struct perf_ns_link_info link_info[];
28 struct namespaces *namespaces__new(struct namespaces_event *event);
29 void namespaces__free(struct namespaces *namespaces);
46 int nsinfo__init(struct nsinfo *nsi);
47 struct nsinfo *nsinfo__new(pid_t pid);
48 struct nsinfo *nsinfo__copy(struct nsinfo *nsi);
49 void nsinfo__delete(struct nsinfo *nsi);
51 struct nsinfo *nsinfo__get(struct nsinfo *nsi);
52 void nsinfo__put(struct nsinfo *nsi);
54 void nsinfo__mountns_enter(struct nsinfo *nsi, struct nscookie *nc);
55 void nsinfo__mountns_exit(struct nscookie *nc);
57 char *nsinfo__realpath(const char *path, struct nsinfo *nsi);
59 static inline void __nsinfo__zput(struct nsinfo **nsip)
67 #define nsinfo__zput(nsi) __nsinfo__zput(&nsi)
69 #endif /* __PERF_NAMESPACES_H */