X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fust-core.c;h=60751dc32a9aa56058e1452f3e9ddec4a395981b;hb=c785c634a51956094130218c2bffeff32756cb69;hp=80bd42b0bb4e57261fc5b56929cf8e53dbcf674c;hpb=5d128a2f085ccbe908ece770d2452d192b8b5217;p=lttng-ust.git diff --git a/liblttng-ust/ust-core.c b/liblttng-ust/ust-core.c index 80bd42b0..60751dc3 100644 --- a/liblttng-ust/ust-core.c +++ b/liblttng-ust/ust-core.c @@ -18,30 +18,18 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include -#include #include +#include +#include +#include "jhash.h" -static CDS_LIST_HEAD(ltt_transport_list); - -void init_usterr(void) -{ - char *ust_debug; - - if (ust_loglevel == UST_LOGLEVEL_UNKNOWN) { - ust_debug = getenv("LTTNG_UST_DEBUG"); - if (ust_debug) - ust_loglevel = UST_LOGLEVEL_DEBUG; - else - ust_loglevel = UST_LOGLEVEL_NORMAL; - } -} +static CDS_LIST_HEAD(lttng_transport_list); -struct ltt_transport *ltt_transport_find(const char *name) +struct lttng_transport *lttng_transport_find(const char *name) { - struct ltt_transport *transport; + struct lttng_transport *transport; - cds_list_for_each_entry(transport, <t_transport_list, node) { + cds_list_for_each_entry(transport, <tng_transport_list, node) { if (!strcmp(transport->name, name)) return transport; } @@ -49,23 +37,46 @@ struct ltt_transport *ltt_transport_find(const char *name) } /** - * ltt_transport_register - LTT transport registration + * lttng_transport_register - LTT transport registration * @transport: transport structure * * Registers a transport which can be used as output to extract the data out of * LTTng. Called with ust_lock held. */ -void ltt_transport_register(struct ltt_transport *transport) +void lttng_transport_register(struct lttng_transport *transport) { - cds_list_add_tail(&transport->node, <t_transport_list); + cds_list_add_tail(&transport->node, <tng_transport_list); } /** - * ltt_transport_unregister - LTT transport unregistration + * lttng_transport_unregister - LTT transport unregistration * @transport: transport structure * Called with ust_lock held. */ -void ltt_transport_unregister(struct ltt_transport *transport) +void lttng_transport_unregister(struct lttng_transport *transport) { cds_list_del(&transport->node); } + +/* + * Needed by comm layer. + */ +struct lttng_enum *lttng_ust_enum_get(struct lttng_session *session, + const char *enum_name) +{ + struct lttng_enum *_enum; + struct cds_hlist_head *head; + struct cds_hlist_node *node; + size_t name_len = strlen(enum_name); + uint32_t hash; + + hash = jhash(enum_name, name_len, 0); + head = &session->enums_ht.table[hash & (LTTNG_UST_ENUM_HT_SIZE - 1)]; + cds_hlist_for_each_entry(_enum, node, head, hlist) { + assert(_enum->desc); + if (!strncmp(_enum->desc->name, enum_name, + LTTNG_UST_SYM_NAME_LEN - 1)) + return _enum; + } + return NULL; +}