tools/perf/util/thread_map.h

   1 #ifndef __PERF_THREAD_MAP_H
   2 #define __PERF_THREAD_MAP_H
   3
   4 #include <sys/types.h>
   5 #include <stdio.h>
   6 #include <linux/atomic.h>
   7
   8 struct thread_map_data {
   9         pid_t    pid;
  10 };
  11
  12 struct thread_map {
  13         atomic_t refcnt;
  14         int nr;
  15         struct thread_map_data map[];
  16 };
  17
  18 struct thread_map *thread_map__new_dummy(void);
  19 struct thread_map *thread_map__new_by_pid(pid_t pid);
  20 struct thread_map *thread_map__new_by_tid(pid_t tid);
  21 struct thread_map *thread_map__new_by_uid(uid_t uid);
  22 struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid);
  23
  24 struct thread_map *thread_map__get(struct thread_map *map);
  25 void thread_map__put(struct thread_map *map);
  26
  27 struct thread_map *thread_map__new_str(const char *pid,
  28                 const char *tid, uid_t uid);
  29
  30 size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
  31
  32 static inline int thread_map__nr(struct thread_map *threads)
  33 {
  34         return threads ? threads->nr : 1;
  35 }
  36
  37 static inline pid_t thread_map__pid(struct thread_map *map, int thread)
  38 {
  39         return map->map[thread].pid;
  40 }
  41
  42 static inline void
  43 thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
  44 {
  45         map->map[thread].pid = pid;
  46 }
  47 #endif  /* __PERF_THREAD_MAP_H */