X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fsession.c;h=f76fb4a42e7606b8ebfea427033b00e3de192020;hb=e55c055d9742a9af996214af306ea68c51e168d8;hp=2300e5f1adab5c6c2190af4829cb9c2767f3e2f3;hpb=49e614cb2878f0664c9f44f9f24cb1d81116de21;p=lttng-tools.git diff --git a/src/bin/lttng-relayd/session.c b/src/bin/lttng-relayd/session.c index 2300e5f1a..f76fb4a42 100644 --- a/src/bin/lttng-relayd/session.c +++ b/src/bin/lttng-relayd/session.c @@ -17,7 +17,6 @@ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#define _GNU_SOURCE #define _LGPL_SOURCE #include #include @@ -47,11 +46,16 @@ struct relay_session *session_create(const char *session_name, PERROR("relay session zmalloc"); goto error; } - + if (lttng_strncpy(session->session_name, session_name, + sizeof(session->session_name))) { + goto error; + } + if (lttng_strncpy(session->hostname, hostname, + sizeof(session->hostname))) { + goto error; + } session->ctf_traces_ht = lttng_ht_new(0, LTTNG_HT_TYPE_STRING); if (!session->ctf_traces_ht) { - free(session); - session = NULL; goto error; } @@ -68,17 +72,15 @@ struct relay_session *session_create(const char *session_name, pthread_mutex_init(&session->reflock, NULL); pthread_mutex_init(&session->recv_list_lock, NULL); - strncpy(session->session_name, session_name, - sizeof(session->session_name)); - strncpy(session->hostname, hostname, - sizeof(session->hostname)); session->live_timer = live_timer; session->snapshot = snapshot; lttng_ht_add_unique_u64(sessions_ht, &session->session_n); + return session; error: - return session; + free(session); + return NULL; } /* Should be called with RCU read-side lock held. */ @@ -226,11 +228,36 @@ rcu_unlock: return ret; } +int session_abort(struct relay_session *session) +{ + int ret = 0; + + if (!session) { + return 0; + } + + pthread_mutex_lock(&session->lock); + DBG("aborting session %" PRIu64, session->id); + if (session->aborted) { + ERR("session %" PRIu64 " is already aborted", session->id); + ret = -1; + goto unlock; + } + session->aborted = true; +unlock: + pthread_mutex_unlock(&session->lock); + return ret; +} + void print_sessions(void) { struct lttng_ht_iter iter; struct relay_session *session; + if (!sessions_ht) { + return; + } + rcu_read_lock(); cds_lfht_for_each_entry(sessions_ht->ht, &iter.iter, session, session_n.node) {