X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Flib%2Flttng-ust-tracepoint%2Ftracepoint.c;h=9767b15c5a7b6adcfa376926f6bade910f901e81;hb=9b34a2b2a6f473b198b8472591717519d9a8c59b;hp=939af88872b75daf0bdc2b21502dab0ec1856869;hpb=34f7f1421e4869381acf65d59cb1abb37df440df;p=lttng-ust.git diff --git a/src/lib/lttng-ust-tracepoint/tracepoint.c b/src/lib/lttng-ust-tracepoint/tracepoint.c index 939af888..9767b15c 100644 --- a/src/lib/lttng-ust-tracepoint/tracepoint.c +++ b/src/lib/lttng-ust-tracepoint/tracepoint.c @@ -33,11 +33,11 @@ #include "common/err-ptr.h" /* Test compiler support for weak symbols with hidden visibility. */ -int __tracepoint_test_symbol1 __attribute__((weak, visibility("hidden"))); -void *__tracepoint_test_symbol2 __attribute__((weak, visibility("hidden"))); +int lttng_ust_tracepoint_test_symbol1 __attribute__((weak, visibility("hidden"))); +void *lttng_ust_tracepoint_test_symbol2 __attribute__((weak, visibility("hidden"))); struct { char a[24]; -} __tracepoint_test_symbol3 __attribute__((weak, visibility("hidden"))); +} lttng_ust_tracepoint_test_symbol3 __attribute__((weak, visibility("hidden"))); /* Set to 1 to enable tracepoint debug output */ static const int tracepoint_debug; @@ -74,8 +74,8 @@ static CDS_LIST_HEAD(libs); * The tracepoint mutex protects the library tracepoints, the hash table, and * the library list. * All calls to the tracepoint API must be protected by the tracepoint mutex, - * excepts calls to tracepoint_register_lib and - * tracepoint_unregister_lib, which take the tracepoint mutex themselves. + * excepts calls to lttng_ust_tracepoint_register_lib and + * lttng_ust_tracepoint_unregister_lib, which take the tracepoint mutex themselves. */ /* @@ -608,7 +608,7 @@ static void tracepoint_release_queue_add_old_probes(void *old) } /** - * __tracepoint_probe_register - Connect a probe to a tracepoint + * lttng_ust_tracepoint_provider_register - Connect a probe to a tracepoint * @name: tracepoint provider name * @name: tracepoint event name * @probe: probe handler @@ -617,7 +617,7 @@ static void tracepoint_release_queue_add_old_probes(void *old) * The probe address must at least be aligned on the architecture pointer size. * Called with the tracepoint mutex held. */ -int __tracepoint_probe_register(const char *provider_name, const char *event_name, +int lttng_ust_tracepoint_provider_register(const char *provider_name, const char *event_name, void (*probe)(void), void *data, const char *signature) { void *old; @@ -640,7 +640,7 @@ end: } /* - * Caller needs to invoke __tracepoint_probe_release_queue() after + * Caller needs to invoke lttng_ust_tracepoint_probe_release_queue() after * calling lttng_ust_tp_probe_register_queue_release() one or multiple * times to ensure it does not leak memory. */ @@ -690,7 +690,7 @@ static void *tracepoint_remove_probe(const char *provider_name, const char *even * @probe: probe function pointer * @probe: probe data pointer */ -int __tracepoint_probe_unregister(const char *provider_name, const char *event_name, +int lttng_ust_tracepoint_provider_unregister(const char *provider_name, const char *event_name, void (*probe)(void), void *data) { void *old; @@ -712,7 +712,7 @@ end: } /* - * Caller needs to invoke __tracepoint_probe_release_queue() after + * Caller needs to invoke lttng_ust_tracepoint_probe_release_queue() after * calling lttng_ust_tp_probe_unregister_queue_release() one or multiple * times to ensure it does not leak memory. */ @@ -877,9 +877,9 @@ static void new_tracepoints(struct lttng_ust_tracepoint * const *start, * against recent liblttng-ust headers require a recent liblttng-ust * runtime for those tracepoints to be taken into account. */ -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_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) { struct tracepoint_lib *pl, *iter; @@ -932,8 +932,8 @@ lib_added: return 0; } -int tracepoint_unregister_lib(struct lttng_ust_tracepoint * const *tracepoints_start); -int tracepoint_unregister_lib(struct lttng_ust_tracepoint * const *tracepoints_start) +int lttng_ust_tracepoint_unregister_lib(struct lttng_ust_tracepoint * const *tracepoints_start); +int lttng_ust_tracepoint_unregister_lib(struct lttng_ust_tracepoint * const *tracepoints_start) { struct tracepoint_lib *lib; @@ -968,15 +968,15 @@ int tracepoint_unregister_lib(struct lttng_ust_tracepoint * const *tracepoints_s static void check_weak_hidden(void) { DBG("Your compiler treats weak symbols with hidden visibility for integer objects as %s between compile units part of the same module.", - &__tracepoint_test_symbol1 == lttng_ust_tp_check_weak_hidden1() ? + <tng_ust_tracepoint_test_symbol1 == lttng_ust_tp_check_weak_hidden1() ? "SAME address" : "DIFFERENT addresses"); DBG("Your compiler treats weak symbols with hidden visibility for pointer objects as %s between compile units part of the same module.", - &__tracepoint_test_symbol2 == lttng_ust_tp_check_weak_hidden2() ? + <tng_ust_tracepoint_test_symbol2 == lttng_ust_tp_check_weak_hidden2() ? "SAME address" : "DIFFERENT addresses"); DBG("Your compiler treats weak symbols with hidden visibility for 24-byte structure objects as %s between compile units part of the same module.", - &__tracepoint_test_symbol3 == lttng_ust_tp_check_weak_hidden3() ? + <tng_ust_tracepoint_test_symbol3 == lttng_ust_tp_check_weak_hidden3() ? "SAME address" : "DIFFERENT addresses"); } @@ -998,24 +998,24 @@ void lttng_ust_tp_exit(void) /* * Create the wrapper symbols. */ -#undef tp_rcu_read_lock -#undef tp_rcu_read_unlock -#undef tp_rcu_dereference +#undef lttng_ust_tp_rcu_read_lock +#undef lttng_ust_tp_rcu_read_unlock +#undef lttng_ust_tp_rcu_dereference -void tp_rcu_read_lock(void); -void tp_rcu_read_lock(void) +void lttng_ust_tp_rcu_read_lock(void); +void lttng_ust_tp_rcu_read_lock(void) { lttng_ust_urcu_read_lock(); } -void tp_rcu_read_unlock(void); -void tp_rcu_read_unlock(void) +void lttng_ust_tp_rcu_read_unlock(void); +void lttng_ust_tp_rcu_read_unlock(void) { lttng_ust_urcu_read_unlock(); } -void *tp_rcu_dereference_sym(void *p); -void *tp_rcu_dereference_sym(void *p) +void *lttng_ust_tp_rcu_dereference_sym(void *p); +void *lttng_ust_tp_rcu_dereference_sym(void *p) { return lttng_ust_rcu_dereference(p); } @@ -1023,16 +1023,16 @@ void *tp_rcu_dereference_sym(void *p) /* * Programs that have threads that survive after they exit, and therefore call * library destructors, should disable the tracepoint destructors by calling - * tp_disable_destructors(). This will leak the tracepoint + * lttng_ust_tp_disable_destructors(). This will leak the tracepoint * instrumentation library shared object, leaving its teardown to the operating * system process teardown. * * To access and/or modify this value, users need to use a combination of * dlopen(3) and dlsym(3) to get an handle on the - * tp_disable_destructors and tp_get_destructors_state symbols below. + * lttng_ust_tp_disable_destructors and lttng_ust_tp_get_destructors_state symbols below. */ -void tp_disable_destructors(void); -void tp_disable_destructors(void) +void lttng_ust_tp_disable_destructors(void); +void lttng_ust_tp_disable_destructors(void) { uatomic_set(&tracepoint_destructors_state, 0); } @@ -1041,8 +1041,8 @@ void tp_disable_destructors(void) * Returns 1 if the destructors are enabled and should be executed. * Returns 0 if the destructors are disabled. */ -int tp_get_destructors_state(void); -int tp_get_destructors_state(void) +int lttng_ust_tp_get_destructors_state(void); +int lttng_ust_tp_get_destructors_state(void) { return uatomic_read(&tracepoint_destructors_state); }