X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-context-provider.c;h=fe831366779a0332531fcfad63769742481549a0;hb=ae14f8220190e23cc9d9ec6023c1813a8fb2ad32;hp=b5ae3075c075d1c70a797e5014f98ccb92a20d2d;hpb=ce7352a2d029c4cad9fed5e8288568225366152e;p=lttng-ust.git diff --git a/liblttng-ust/lttng-context-provider.c b/liblttng-ust/lttng-context-provider.c index b5ae3075..fe831366 100644 --- a/liblttng-ust/lttng-context-provider.c +++ b/liblttng-ust/lttng-context-provider.c @@ -20,11 +20,17 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#define _LGPL_SOURCE +#include +#include #include #include + #include + #include "lttng-tracer-core.h" #include "jhash.h" +#include "context-provider-internal.h" #include #define CONTEXT_PROVIDER_HT_BITS 12 @@ -67,10 +73,12 @@ int lttng_ust_context_provider_register(struct lttng_ust_context_provider *provi uint32_t hash; int ret = 0; + lttng_ust_fixup_tls(); + /* Provider name starts with "$app.". */ - if (strncmp("$app.", provider->name, strlen("$app.") != 0)) + if (strncmp("$app.", provider->name, strlen("$app.")) != 0) return -EINVAL; - /* Provider name cannot contain a column character. */ + /* Provider name cannot contain a colon character. */ if (strchr(provider->name, ':')) return -EINVAL; if (ust_lock()) { @@ -84,46 +92,33 @@ int lttng_ust_context_provider_register(struct lttng_ust_context_provider *provi hash = jhash(provider->name, name_len, 0); head = &context_provider_ht.table[hash & (CONTEXT_PROVIDER_HT_SIZE - 1)]; cds_hlist_add_head(&provider->node, head); + lttng_ust_context_set_session_provider(provider->name, provider->get_size, provider->record, provider->get_value); + + lttng_ust_context_set_event_notifier_group_provider(provider->name, + provider->get_size, provider->record, + provider->get_value); end: ust_unlock(); return ret; } -size_t lttng_ust_dummy_get_size(struct lttng_ctx_field *field, size_t offset) -{ - size_t size = 0; - - size += lib_ring_buffer_align(offset, lttng_alignof(char)); - size += sizeof(char); /* tag */ - return size; -} - -void lttng_ust_dummy_record(struct lttng_ctx_field *field, - struct lttng_ust_lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) -{ - char sel_char = (char) LTTNG_UST_DYNAMIC_TYPE_NONE; - - lib_ring_buffer_align_ctx(ctx, lttng_alignof(sel_char)); - chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); -} - -void lttng_ust_dummy_get_value(struct lttng_ctx_field *field, - struct lttng_ctx_value *value) -{ - value->sel = LTTNG_UST_DYNAMIC_TYPE_NONE; -} - void lttng_ust_context_provider_unregister(struct lttng_ust_context_provider *provider) { + lttng_ust_fixup_tls(); + if (ust_lock()) goto end; lttng_ust_context_set_session_provider(provider->name, lttng_ust_dummy_get_size, lttng_ust_dummy_record, lttng_ust_dummy_get_value); + + lttng_ust_context_set_event_notifier_group_provider(provider->name, + lttng_ust_dummy_get_size, lttng_ust_dummy_record, + lttng_ust_dummy_get_value); + cds_hlist_del(&provider->node); end: ust_unlock();