Tracepoint API namespacing '__tracepoint_'

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

diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h
index 31cafe4df3be4d5512c787dec2eec896a45e9a77..48781e8ebcf01de30106fa3f78fc52e88f65cf09 100644 (file)
--- a/include/lttng/tracepoint.h
+++ b/include/lttng/tracepoint.h
@@ -51,10 +51,10 @@ extern "C" {
 #endif
 
 #define lttng_ust_tracepoint_enabled(provider, name)                           \
-       caa_unlikely(CMM_LOAD_SHARED(__tracepoint_##provider##___##name.state))
+       caa_unlikely(CMM_LOAD_SHARED(lttng_ust_tracepoint_##provider##___##name.state))
 
 #define lttng_ust_do_tracepoint(provider, name, ...)                           \
-       __tracepoint_cb_##provider##___##name(__VA_ARGS__)
+       lttng_ust_tracepoint_cb_##provider##___##name(__VA_ARGS__)
 
 #define lttng_ust_tracepoint(provider, name, ...)                              \
        do {                                                                    \
@@ -182,19 +182,19 @@ extern "C" {
  * address.
  */
 #define LTTNG_UST__DECLARE_TRACEPOINT(_provider, _name, ...)                                   \
-extern struct lttng_ust_tracepoint __tracepoint_##_provider##___##_name;               \
+extern struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name;               \
 static inline                                                                          \
-void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__))              \
+void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__))              \
        __attribute__((always_inline, unused)) lttng_ust_notrace;                       \
 static                                                                                 \
-void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__))              \
+void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__))              \
 {                                                                                      \
        struct lttng_ust_tracepoint_probe *__tp_probe;                                  \
                                                                                        \
        if (caa_unlikely(!TP_RCU_LINK_TEST()))                                          \
                return;                                                                 \
        tp_rcu_read_lock();                                                             \
-       __tp_probe = tp_rcu_dereference(__tracepoint_##_provider##___##_name.probes);   \
+       __tp_probe = tp_rcu_dereference(lttng_ust_tracepoint_##_provider##___##_name.probes);   \
        if (caa_unlikely(!__tp_probe))                                                  \
                goto end;                                                               \
        do {                                                                            \
@@ -208,30 +208,30 @@ end:                                                                                      \
        tp_rcu_read_unlock();                                                           \
 }                                                                                      \
 static inline                                                                          \
-void __tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \
+void lttng_ust_tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \
                void (*func)(void), void *data)                                         \
        lttng_ust_notrace;                                                              \
 static inline                                                                          \
-void __tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \
+void lttng_ust_tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \
                void (*func)(void), void *data)                                         \
 {                                                                                      \
-       __tracepoint_probe_register(provider_name, event_name, func, data,              \
-               __tracepoint_##_provider##___##_name.signature);                        \
+       lttng_ust_tracepoint_probe_register(provider_name, event_name, func, data,              \
+               lttng_ust_tracepoint_##_provider##___##_name.signature);                        \
 }                                                                                      \
 static inline                                                                          \
-void __tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \
+void lttng_ust_tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \
                void (*func)(void), void *data)                                         \
        lttng_ust_notrace;                                                              \
 static inline                                                                          \
-void __tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \
+void lttng_ust_tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \
                void (*func)(void), void *data)                                         \
 {                                                                                      \
-       __tracepoint_probe_unregister(provider_name, event_name, func, data);           \
+       lttng_ust_tracepoint_probe_unregister(provider_name, event_name, func, data);           \
 }
 
-extern int __tracepoint_probe_register(const char *provider_name, const char *event_name,
+extern int lttng_ust_tracepoint_probe_register(const char *provider_name, const char *event_name,
                void (*func)(void), void *data, const char *signature);
-extern int __tracepoint_probe_unregister(const char *provider_name, const char *event_name,
+extern int lttng_ust_tracepoint_probe_unregister(const char *provider_name, const char *event_name,
                void (*func)(void), void *data);
 
 /*
@@ -269,9 +269,9 @@ extern struct lttng_ust_tracepoint_dlopen *lttng_ust_tracepoint_dlopen_ptr;
  * registering only _one_ instance of the tracepoints per shared-ojbect
  * (or for the whole main program).
  */
-int __tracepoint_registered
+int lttng_ust_tracepoint_registered
        __attribute__((weak, visibility("hidden")));
-int __tracepoint_ptrs_registered
+int lttng_ust_tracepoint_ptrs_registered
        __attribute__((weak, visibility("hidden")));
 struct lttng_ust_tracepoint_dlopen lttng_ust_tracepoint_dlopen
                __attribute__((weak, visibility("hidden"))) = {
@@ -335,10 +335,10 @@ static inline void tracepoint_disable_destructors(void)
 
 #ifndef _LGPL_SOURCE
 static inline void
-__tracepoint__init_urcu_sym(void)
+lttng_ust_tracepoint__init_urcu_sym(void)
        lttng_ust_notrace;
 static inline void
-__tracepoint__init_urcu_sym(void)
+lttng_ust_tracepoint__init_urcu_sym(void)
 {
        if (!lttng_ust_tracepoint_dlopen_ptr)
                lttng_ust_tracepoint_dlopen_ptr = &lttng_ust_tracepoint_dlopen;
@@ -364,10 +364,10 @@ __tracepoint__init_urcu_sym(void)
 }
 #else
 static inline void
-__tracepoint__init_urcu_sym(void)
+lttng_ust_tracepoint__init_urcu_sym(void)
        lttng_ust_notrace;
 static inline void
-__tracepoint__init_urcu_sym(void)
+lttng_ust_tracepoint__init_urcu_sym(void)
 {
 }
 #endif
@@ -378,10 +378,10 @@ __tracepoints__init(void)
 static void
 __tracepoints__init(void)
 {
-       if (__tracepoint_registered++) {
+       if (lttng_ust_tracepoint_registered++) {
                if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle)
                        return;
-               __tracepoint__init_urcu_sym();
+               lttng_ust_tracepoint__init_urcu_sym();
                return;
        }
 
@@ -392,7 +392,7 @@ __tracepoints__init(void)
                        dlopen(LTTNG_UST_TRACEPOINT_LIB_SONAME, RTLD_NOW | RTLD_GLOBAL);
        if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle)
                return;
-       __tracepoint__init_urcu_sym();
+       lttng_ust_tracepoint__init_urcu_sym();
 }
 
 static void
@@ -403,7 +403,7 @@ __tracepoints__destroy(void)
 {
        int ret;
 
-       if (--__tracepoint_registered)
+       if (--lttng_ust_tracepoint_registered)
                return;
        if (!lttng_ust_tracepoint_dlopen_ptr)
                lttng_ust_tracepoint_dlopen_ptr = &lttng_ust_tracepoint_dlopen;
@@ -411,7 +411,7 @@ __tracepoints__destroy(void)
                lttng_ust_tracepoint_destructors_syms_ptr = &lttng_ust_tracepoint_destructors_syms;
        if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle)
                return;
-       if (__tracepoint_ptrs_registered)
+       if (lttng_ust_tracepoint_ptrs_registered)
                return;
        /*
         * Lookup if destructors must be executed using the new method.
@@ -457,7 +457,7 @@ extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[]
 #ifdef TRACEPOINT_PROBE_DYNAMIC_LINKAGE
 #define _TRACEPOINT_UNDEFINED_REF(provider)    NULL
 #else  /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */
-#define _TRACEPOINT_UNDEFINED_REF(provider)    &__tracepoint_provider_##provider
+#define _TRACEPOINT_UNDEFINED_REF(provider)    &lttng_ust_tracepoint_provider_##provider
 #endif /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */
 
 /*
@@ -469,14 +469,14 @@ extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[]
 
 #define LTTNG_UST__DEFINE_TRACEPOINT(_provider, _name, _args)                          \
        lttng_ust_tracepoint_validate_name_len(_provider, _name);               \
-       extern int __tracepoint_provider_##_provider;                           \
+       extern int lttng_ust_tracepoint_provider_##_provider;                           \
        static const char __tp_provider_strtab_##_provider##___##_name[]        \
                __attribute__((section("__tracepoints_strings"))) =             \
                        #_provider;                                             \
        static const char __tp_name_strtab_##_provider##___##_name[]            \
                __attribute__((section("__tracepoints_strings"))) =             \
                        #_name;                                                 \
-       struct lttng_ust_tracepoint __tracepoint_##_provider##___##_name        \
+       struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name        \
                __attribute__((section("__tracepoints"))) = {                   \
                        sizeof(struct lttng_ust_tracepoint),                    \
                        __tp_provider_strtab_##_provider##___##_name,           \
@@ -487,10 +487,10 @@ extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[]
                        _TP_EXTRACT_STRING(_args),                              \
                };                                                              \
        static struct lttng_ust_tracepoint *                                    \
-               __tracepoint_ptr_##_provider##___##_name                        \
+               lttng_ust_tracepoint_ptr_##_provider##___##_name                        \
                __attribute__((section("__tracepoints_ptrs"), used))            \
                __lttng_ust_variable_attribute_no_sanitize_address =            \
-                       &__tracepoint_##_provider##___##_name;
+                       &lttng_ust_tracepoint_##_provider##___##_name;
 
 static void
 __tracepoints__ptrs_init(void)
@@ -498,7 +498,7 @@ __tracepoints__ptrs_init(void)
 static void
 __tracepoints__ptrs_init(void)
 {
-       if (__tracepoint_ptrs_registered++)
+       if (lttng_ust_tracepoint_ptrs_registered++)
                return;
        if (!lttng_ust_tracepoint_dlopen_ptr)
                lttng_ust_tracepoint_dlopen_ptr = &lttng_ust_tracepoint_dlopen;
@@ -525,7 +525,7 @@ __tracepoints__ptrs_init(void)
                URCU_FORCE_CAST(int (*)(void),
                                dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle,
                                        "tp_get_destructors_state"));
-       __tracepoint__init_urcu_sym();
+       lttng_ust_tracepoint__init_urcu_sym();
        if (lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib) {
                lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib(__start___tracepoints_ptrs,
                                __stop___tracepoints_ptrs -
@@ -541,7 +541,7 @@ __tracepoints__ptrs_destroy(void)
 {
        int ret;
 
-       if (--__tracepoint_ptrs_registered)
+       if (--lttng_ust_tracepoint_ptrs_registered)
                return;
        if (!lttng_ust_tracepoint_dlopen_ptr)
                lttng_ust_tracepoint_dlopen_ptr = &lttng_ust_tracepoint_dlopen;
@@ -552,7 +552,7 @@ __tracepoints__ptrs_destroy(void)
        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()
-                       && !__tracepoint_ptrs_registered) {
+                       && !lttng_ust_tracepoint_ptrs_registered) {
                ret = dlclose(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle);
                if (ret) {
                        fprintf(stderr, "Error (%d) in dlclose\n", ret);