/usr/include/eztrace_hook.h is in libeztrace-dev 1.1-5-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /* -*- c-file-style: "GNU" -*- */
/*
* Copyright (C) CNRS, INRIA, Universite Bordeaux 1, Telecom SudParis
* See COPYING in top-level directory.
*/
#ifndef EZTRACE_HOOK_H
#define EZTRACE_HOOK_H
#include <stdint.h>
#include "eztrace.h"
#include "eztrace_list.h"
/*
* This file defines a hook mechanism that allow different modules
* (ie. eztrace_convert_mpi, eztrace_convert_gomp, etc.) to add
* information in EZTrace internal structures. This allows to add
* specialized information (such as the current parallel section in
* case OpenMP is being used) to any general purpose structure.
*/
struct ezt_hook_list_t;
typedef uint8_t ezt_hook_id_t;
struct ezt_hook_t {
ezt_hook_id_t hook_id;
void* data;
struct ezt_hook_list_t* p_hook_list;
struct ezt_list_token_t list_token;
};
struct ezt_hook_list_t {
struct ezt_list_t hook_list;
};
/* initialize a hook list */
static inline void ezt_hook_list_init(struct ezt_hook_list_t *p_list);
/* free the hook structure. before calling this function, make sure all
* the data pointers have been freed.
*/
static inline void ezt_hook_list_free(struct ezt_hook_list_t *p_list);
/* add a new hook to the list. */
static inline void ezt_hook_list_add(struct ezt_hook_list_t *p_list,
void*p_data, ezt_hook_id_t hook_id);
/* remove a hook from the list. Return 0 if the hook cannot be found in the list */
static inline int ezt_hook_list_remove(struct ezt_hook_list_t *p_list,
ezt_hook_id_t hook_id);
/* retrive the data corresponding to a hook id or NULL if the hook is not in the list */
static inline void* ezt_hook_list_retrieve_data(
struct ezt_hook_list_t *p_hook_list, ezt_hook_id_t hook_id);
/* initialize a hook list */
static inline void ezt_hook_list_init(struct ezt_hook_list_t *p_list) {
ezt_list_new(&p_list->hook_list);
}
/* free the hook structure. before calling this function, make sure all
* the data pointers have been freed.
*/
static inline void ezt_hook_list_free(struct ezt_hook_list_t *p_list) {
struct ezt_list_token_t *p_token, *temp;
ezt_list_foreach_safe(&p_list->hook_list, p_token, temp)
{
struct ezt_hook_t *p_hook =
ezt_container_of(p_token, struct ezt_hook_t, list_token);
ezt_list_remove(&p_hook->list_token);
if (p_hook->data)
free(p_hook->data);
free(p_hook);
}
}
/* add a new hook to the list. */
static inline void ezt_hook_list_add(struct ezt_hook_list_t *p_list,
void*p_data, ezt_hook_id_t hook_id) {
#if DEBUG
if( ezt_hook_list_retrieve_data(p_list, hook_id)) {
fprintf(stderr, "Trying to add a hook (id %d) in a list that already contains it\n", hook_id);
abort();
}
#endif /* DEBUG */
struct ezt_hook_t *p_hook = (struct ezt_hook_t*) malloc(
sizeof(struct ezt_hook_t));
p_hook->hook_id = hook_id;
p_hook->p_hook_list = p_list;
p_hook->data = p_data;
ezt_list_add(&p_list->hook_list, &p_hook->list_token);
return;
}
/* remove a hook from the list. Return 0 if the hook cannot be found in the list */
static inline int ezt_hook_list_remove(struct ezt_hook_list_t *p_list,
ezt_hook_id_t hook_id) {
struct ezt_list_token_t *p_token, *temp;
ezt_list_foreach_safe(&p_list->hook_list, p_token, temp)
{
struct ezt_hook_t *p_hook =
ezt_container_of(p_token, struct ezt_hook_t, list_token);
if (p_hook->hook_id == hook_id) {
ezt_list_remove(&p_hook->list_token);
free(p_hook);
return 1;
}
}
return 0;
}
/* retrive the data corresponding to a hook id or NULL if the hook is not in the list */
static inline void* ezt_hook_list_retrieve_data(struct ezt_hook_list_t *p_list,
ezt_hook_id_t hook_id) {
int i = 0;
struct ezt_list_token_t *p_token;
ezt_list_foreach(&p_list->hook_list, p_token)
{
i++;
struct ezt_hook_t *p_hook =
ezt_container_of(p_token, struct ezt_hook_t, list_token);
if (p_hook->hook_id == hook_id)
return p_hook->data;
}
return NULL;
}
#endif /* EZTRACE_HOOK_H */
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