tools/perf/util/perf-hooks.h

   1 #ifndef PERF_UTIL_PERF_HOOKS_H
   2 #define PERF_UTIL_PERF_HOOKS_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 typedef void (*perf_hook_func_t)(void *ctx);
   9 struct perf_hook_desc {
  10         const char * const hook_name;
  11         perf_hook_func_t * const p_hook_func;
  12         void *hook_ctx;
  13 };
  14
  15 extern void perf_hooks__invoke(const struct perf_hook_desc *);
  16 extern void perf_hooks__recover(void);
  17
  18 #define PERF_HOOK(name)                                 \
  19 extern struct perf_hook_desc __perf_hook_desc_##name;   \
  20 static inline void perf_hooks__invoke_##name(void)      \
  21 {                                                       \
  22         perf_hooks__invoke(&__perf_hook_desc_##name);   \
  23 }
  24
  25 #include "perf-hooks-list.h"
  26 #undef PERF_HOOK
  27
  28 extern int
  29 perf_hooks__set_hook(const char *hook_name,
  30                      perf_hook_func_t hook_func,
  31                      void *hook_ctx);
  32
  33 extern perf_hook_func_t
  34 perf_hooks__get_hook(const char *hook_name);
  35
  36 #ifdef __cplusplus
  37 }
  38 #endif
  39 #endif