mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 08:55:05 +07:00
364fed3513
The refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Kook <keescook@chromium.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Windsor <dwindsor@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hans Liljestrand <ishkamiel@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kees Kook <keescook@chromium.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matija Glavinic Pecotic <matija.glavinic-pecotic.ext@nokia.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: alsa-devel@alsa-project.org Link: http://lkml.kernel.org/r/1487691303-31858-10-git-send-email-elena.reshetova@intel.com [ Did missing tests/thread-map.c conversion ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
#ifndef __PERF_THREAD_MAP_H
|
|
#define __PERF_THREAD_MAP_H
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <linux/refcount.h>
|
|
|
|
struct thread_map_data {
|
|
pid_t pid;
|
|
char *comm;
|
|
};
|
|
|
|
struct thread_map {
|
|
refcount_t refcnt;
|
|
int nr;
|
|
struct thread_map_data map[];
|
|
};
|
|
|
|
struct thread_map_event;
|
|
|
|
struct thread_map *thread_map__new_dummy(void);
|
|
struct thread_map *thread_map__new_by_pid(pid_t pid);
|
|
struct thread_map *thread_map__new_by_tid(pid_t tid);
|
|
struct thread_map *thread_map__new_by_uid(uid_t uid);
|
|
struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
|
|
struct thread_map *thread_map__new_event(struct thread_map_event *event);
|
|
|
|
struct thread_map *thread_map__get(struct thread_map *map);
|
|
void thread_map__put(struct thread_map *map);
|
|
|
|
struct thread_map *thread_map__new_str(const char *pid,
|
|
const char *tid, uid_t uid);
|
|
|
|
struct thread_map *thread_map__new_by_tid_str(const char *tid_str);
|
|
|
|
size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
|
|
|
|
static inline int thread_map__nr(struct thread_map *threads)
|
|
{
|
|
return threads ? threads->nr : 1;
|
|
}
|
|
|
|
static inline pid_t thread_map__pid(struct thread_map *map, int thread)
|
|
{
|
|
return map->map[thread].pid;
|
|
}
|
|
|
|
static inline void
|
|
thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
|
|
{
|
|
map->map[thread].pid = pid;
|
|
}
|
|
|
|
static inline char *thread_map__comm(struct thread_map *map, int thread)
|
|
{
|
|
return map->map[thread].comm;
|
|
}
|
|
|
|
void thread_map__read_comms(struct thread_map *threads);
|
|
bool thread_map__has(struct thread_map *threads, pid_t pid);
|
|
int thread_map__remove(struct thread_map *threads, int idx);
|
|
#endif /* __PERF_THREAD_MAP_H */
|