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Diffstat (limited to 'tools/perf/util/namespaces.h')
-rw-r--r--tools/perf/util/namespaces.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/tools/perf/util/namespaces.h b/tools/perf/util/namespaces.h
index 4b33f684eddd..8c0731c6cbb7 100644
--- a/tools/perf/util/namespaces.h
+++ b/tools/perf/util/namespaces.h
@@ -8,10 +8,12 @@
#define __PERF_NAMESPACES_H
#include <sys/types.h>
+#include <sys/stat.h>
#include <linux/stddef.h>
#include <linux/perf_event.h>
#include <linux/refcount.h>
#include <linux/types.h>
+#include <internal/rc_check.h>
#ifndef HAVE_SETNS_SUPPORT
int setns(int fd, int nstype);
@@ -28,11 +30,12 @@ struct namespaces {
struct namespaces *namespaces__new(struct perf_record_namespaces *event);
void namespaces__free(struct namespaces *namespaces);
-struct nsinfo {
+DECLARE_RC_STRUCT(nsinfo) {
pid_t pid;
pid_t tgid;
pid_t nstgid;
bool need_setns;
+ bool in_pidns;
char *mntns_path;
refcount_t refcnt;
};
@@ -45,16 +48,25 @@ struct nscookie {
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__copy(const struct nsinfo *nsi);
struct nsinfo *nsinfo__get(struct nsinfo *nsi);
void nsinfo__put(struct nsinfo *nsi);
+bool nsinfo__need_setns(const struct nsinfo *nsi);
+void nsinfo__clear_need_setns(struct nsinfo *nsi);
+pid_t nsinfo__tgid(const struct nsinfo *nsi);
+pid_t nsinfo__nstgid(const struct nsinfo *nsi);
+pid_t nsinfo__pid(const struct nsinfo *nsi);
+pid_t nsinfo__in_pidns(const 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);
+int nsinfo__stat(const char *filename, struct stat *st, struct nsinfo *nsi);
+
+bool nsinfo__is_in_root_namespace(void);
static inline void __nsinfo__zput(struct nsinfo **nsip)
{