X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-probes.c;h=862b19e7c47e3c7c5b5e262e5b1bc02edf3c090f;hb=2c05c691a10f3130f9339a15369140ad6ca70f85;hp=433171cfb04635c424394a9e2c292f82a70a8ae4;hpb=71d3169070a4c9e0df87a9d825dd7520022385a7;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-probes.c b/liblttng-ust/lttng-probes.c
index 433171cf..862b19e7 100644
--- a/liblttng-ust/lttng-probes.c
+++ b/liblttng-ust/lttng-probes.c
@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#define _LGPL_SOURCE
 #include <string.h>
 #include <errno.h>
 #include <urcu/list.h>
@@ -146,20 +147,6 @@ struct cds_list_head *lttng_get_probe_list_head(void)
 	return &_probe_list;
 }
 
-static
-const struct lttng_probe_desc *find_provider(const char *provider)
-{
-	struct lttng_probe_desc *iter;
-	struct cds_list_head *probe_list;
-
-	probe_list = lttng_get_probe_list_head();
-	cds_list_for_each_entry(iter, probe_list, head) {
-		if (!strcmp(iter->provider, provider))
-			return iter;
-	}
-	return NULL;
-}
-
 static
 int check_provider_version(struct lttng_probe_desc *desc)
 {
@@ -194,6 +181,8 @@ int lttng_probe_register(struct lttng_probe_desc *desc)
 {
 	int ret = 0;
 
+	lttng_ust_fixup_tls();
+
 	/*
 	 * If version mismatch, don't register, but don't trigger assert
 	 * on caller. The version check just prints an error.
@@ -201,15 +190,8 @@ int lttng_probe_register(struct lttng_probe_desc *desc)
 	if (!check_provider_version(desc))
 		return 0;
 
-	ust_lock();
+	ust_lock_nocheck();
 
-	/*
-	 * Check if the provider has already been registered.
-	 */
-	if (find_provider(desc->provider)) {
-		ret = -EEXIST;
-		goto end;
-	}
 	cds_list_add(&desc->lazy_init_head, &lazy_probe_init);
 	desc->lazy = 1;
 	DBG("adding probe %s containing %u events to lazy registration list",
@@ -221,7 +203,7 @@ int lttng_probe_register(struct lttng_probe_desc *desc)
 	 */
 	if (lttng_session_active())
 		fixup_lazy_probes();
-end:
+
 	ust_unlock();
 	return ret;
 }
@@ -234,15 +216,20 @@ int ltt_probe_register(struct lttng_probe_desc *desc)
 
 void lttng_probe_unregister(struct lttng_probe_desc *desc)
 {
+	lttng_ust_fixup_tls();
+
 	if (!check_provider_version(desc))
 		return;
 
-	ust_lock();
+	ust_lock_nocheck();
 	if (!desc->lazy)
 		cds_list_del(&desc->head);
 	else
 		cds_list_del(&desc->lazy_init_head);
-	DBG("just unregistered probe %s", desc->provider);
+
+	lttng_probe_provider_unregister_events(desc);
+	DBG("just unregistered probes of provider %s", desc->provider);
+
 	ust_unlock();
 }