mmc: bcm2835: Fix DMA channel leak on probe error
[linux/fpc-iii.git] / tools / perf / util / namespaces.h
blobd5f46c09ea31922fb46f59158ab9e05138aed1b1
1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
6 * Copyright (C) 2017 Hari Bathini, IBM Corporation
7 */
9 #ifndef __PERF_NAMESPACES_H
10 #define __PERF_NAMESPACES_H
12 #include <sys/types.h>
13 #include <linux/stddef.h>
14 #include <linux/perf_event.h>
15 #include <linux/refcount.h>
16 #include <linux/types.h>
18 struct namespaces_event;
20 struct namespaces {
21 struct list_head list;
22 u64 end_time;
23 struct perf_ns_link_info link_info[];
26 struct namespaces *namespaces__new(struct namespaces_event *event);
27 void namespaces__free(struct namespaces *namespaces);
29 struct nsinfo {
30 pid_t pid;
31 pid_t tgid;
32 pid_t nstgid;
33 bool need_setns;
34 char *mntns_path;
35 refcount_t refcnt;
38 struct nscookie {
39 int oldns;
40 int newns;
41 char *oldcwd;
44 int nsinfo__init(struct nsinfo *nsi);
45 struct nsinfo *nsinfo__new(pid_t pid);
46 struct nsinfo *nsinfo__copy(struct nsinfo *nsi);
47 void nsinfo__delete(struct nsinfo *nsi);
49 struct nsinfo *nsinfo__get(struct nsinfo *nsi);
50 void nsinfo__put(struct nsinfo *nsi);
52 void nsinfo__mountns_enter(struct nsinfo *nsi, struct nscookie *nc);
53 void nsinfo__mountns_exit(struct nscookie *nc);
55 char *nsinfo__realpath(const char *path, struct nsinfo *nsi);
57 static inline void __nsinfo__zput(struct nsinfo **nsip)
59 if (nsip) {
60 nsinfo__put(*nsip);
61 *nsip = NULL;
65 #define nsinfo__zput(nsi) __nsinfo__zput(&nsi)
67 #endif /* __PERF_NAMESPACES_H */