Tracepoint API namespacing 'TRACEPOINT_DEFINE'

[lttng-ust.git] / include / lttng / tracepoint.h

diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h
index 4223579e54ef7aab940d1498188c318cbb8364b9..043426fce78e580806e5446e12fa4945e7b652a0 100644 (file)
--- a/include/lttng/tracepoint.h
+++ b/include/lttng/tracepoint.h
@@ -251,9 +251,9 @@ struct lttng_ust_tracepoint_dlopen {
 
        void *liblttngust_handle;
 
-       int (*tracepoint_register_lib)(struct lttng_ust_tracepoint * const *tracepoints_start,
+       int (*lttng_ust_tracepoint_register_lib)(struct lttng_ust_tracepoint * const *tracepoints_start,
                int tracepoints_count);
-       int (*tracepoint_unregister_lib)(struct lttng_ust_tracepoint * const *tracepoints_start);
+       int (*lttng_ust_tracepoint_unregister_lib)(struct lttng_ust_tracepoint * const *tracepoints_start);
        void (*rcu_read_lock_sym)(void);
        void (*rcu_read_unlock_sym)(void);
        void *(*rcu_dereference_sym)(void *p);
@@ -433,7 +433,13 @@ lttng_ust__tracepoints__destroy(void)
        memset(lttng_ust_tracepoint_dlopen_ptr, 0, sizeof(*lttng_ust_tracepoint_dlopen_ptr));
 }
 
-#ifdef TRACEPOINT_DEFINE
+#if LTTNG_UST_COMPAT_API(0)
+# if defined(TRACEPOINT_DEFINE) && !defined(LTTNG_UST_TRACEPOINT_DEFINE)
+#  define LTTNG_UST_TRACEPOINT_DEFINE
+# endif
+#endif /* #if LTTNG_UST_COMPAT_API(0) */
+
+#ifdef LTTNG_UST_TRACEPOINT_DEFINE
 
 /*
  * These weak symbols, the constructor, and destructor take care of
@@ -477,17 +483,17 @@ extern struct lttng_ust_tracepoint * const __stop_lttng_ust_tracepoints_ptrs[]
 #define LTTNG_UST__DEFINE_TRACEPOINT(_provider, _name, _args)                          \
        lttng_ust_tracepoint_validate_name_len(_provider, _name);               \
        extern int lttng_ust_tracepoint_provider_##_provider;                           \
-       static const char __tp_provider_strtab_##_provider##___##_name[]        \
+       static const char lttng_ust_tp_provider_strtab_##_provider##___##_name[]        \
                __attribute__((section("lttng_ust_tracepoints_strings"))) =             \
                        #_provider;                                             \
-       static const char __tp_name_strtab_##_provider##___##_name[]            \
+       static const char lttng_ust_tp_name_strtab_##_provider##___##_name[]            \
                __attribute__((section("lttng_ust_tracepoints_strings"))) =             \
                        #_name;                                                 \
        struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name        \
                __attribute__((section("lttng_ust_tracepoints"))) = {                   \
                        sizeof(struct lttng_ust_tracepoint),                    \
-                       __tp_provider_strtab_##_provider##___##_name,           \
-                       __tp_name_strtab_##_provider##___##_name,               \
+                       lttng_ust_tp_provider_strtab_##_provider##___##_name,           \
+                       lttng_ust_tp_name_strtab_##_provider##___##_name,               \
                        0,                                                      \
                        NULL,                                                   \
                        LTTNG_UST__TRACEPOINT_UNDEFINED_REF(_provider),         \
@@ -516,25 +522,25 @@ lttng_ust__tracepoints__ptrs_init(void)
                return;
        if (!lttng_ust_tracepoint_destructors_syms_ptr)
                lttng_ust_tracepoint_destructors_syms_ptr = &lttng_ust_tracepoint_destructors_syms;
-       lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib =
+       lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_register_lib =
                URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *, int),
                                dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle,
-                                       "tracepoint_register_lib"));
-       lttng_ust_tracepoint_dlopen_ptr->tracepoint_unregister_lib =
+                                       "lttng_ust_tracepoint_register_lib"));
+       lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_unregister_lib =
                URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *),
                                dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle,
-                                       "tracepoint_unregister_lib"));
+                                       "lttng_ust_tracepoint_unregister_lib"));
        lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_disable_destructors =
                URCU_FORCE_CAST(void (*)(void),
                                dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle,
-                                       "tp_disable_destructors"));
+                                       "lttng_ust_tp_disable_destructors"));
        lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state =
                URCU_FORCE_CAST(int (*)(void),
                                dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle,
-                                       "tp_get_destructors_state"));
+                                       "lttng_ust_tp_get_destructors_state"));
        lttng_ust_tracepoint__init_urcu_sym();
-       if (lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib) {
-               lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib(__start_lttng_ust_tracepoints_ptrs,
+       if (lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_register_lib) {
+               lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_register_lib(__start_lttng_ust_tracepoints_ptrs,
                                __stop_lttng_ust_tracepoints_ptrs -
                                __start_lttng_ust_tracepoints_ptrs);
        }
@@ -554,8 +560,8 @@ lttng_ust__tracepoints__ptrs_destroy(void)
                lttng_ust_tracepoint_dlopen_ptr = &lttng_ust_tracepoint_dlopen;
        if (!lttng_ust_tracepoint_destructors_syms_ptr)
                lttng_ust_tracepoint_destructors_syms_ptr = &lttng_ust_tracepoint_destructors_syms;
-       if (lttng_ust_tracepoint_dlopen_ptr->tracepoint_unregister_lib)
-               lttng_ust_tracepoint_dlopen_ptr->tracepoint_unregister_lib(__start_lttng_ust_tracepoints_ptrs);
+       if (lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_unregister_lib)
+               lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_unregister_lib(__start_lttng_ust_tracepoints_ptrs);
        if (lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle
                        && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state
                        && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state()
@@ -569,11 +575,11 @@ lttng_ust__tracepoints__ptrs_destroy(void)
        }
 }
 
-#else /* TRACEPOINT_DEFINE */
+#else /* LTTNG_UST_TRACEPOINT_DEFINE */
 
 #define LTTNG_UST__DEFINE_TRACEPOINT(_provider, _name, _args)
 
-#endif /* #else TRACEPOINT_DEFINE */
+#endif /* #else LTTNG_UST_TRACEPOINT_DEFINE */
 
 #if LTTNG_UST_COMPAT_API(0)
 #define tracepoint                     lttng_ust_tracepoint