X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.c;h=a777b041428443fe856b4e7613920a377e7b494f;hb=d022620a4a3ce49862b49527c5e29d7ba6cce743;hp=17dc3544dbe55a4dac884b5af9f178e2f1c44991;hpb=dec56f6cc894de41b312354d360b6a4c09fc199d;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/session.c b/src/bin/lttng-sessiond/session.c index 17dc3544d..a777b0414 100644 --- a/src/bin/lttng-sessiond/session.c +++ b/src/bin/lttng-sessiond/session.c @@ -17,6 +17,7 @@ #define _GNU_SOURCE #include +#include #include #include #include @@ -54,7 +55,7 @@ static struct ltt_session_list ltt_session_list = { * The caller MUST acquire the session list lock before. * Returns the unique identifier for the session. */ -static unsigned int add_session_list(struct ltt_session *ls) +static uint64_t add_session_list(struct ltt_session *ls) { assert(ls); @@ -147,6 +148,7 @@ found: * Delete session from the session list and free the memory. * * Return -1 if no session is found. On success, return 1; + * Should *NOT* be called with RCU read-side lock held. */ int session_destroy(struct ltt_session *session) { @@ -157,9 +159,8 @@ int session_destroy(struct ltt_session *session) del_session_list(session); pthread_mutex_destroy(&session->lock); - rcu_read_lock(); consumer_destroy_output(session->consumer); - rcu_read_unlock(); + snapshot_destroy(&session->snapshot); free(session); return LTTNG_OK; @@ -203,6 +204,12 @@ int session_create(char *name, uid_t uid, gid_t gid) new_session->uid = uid; new_session->gid = gid; + ret = snapshot_init(&new_session->snapshot); + if (ret < 0) { + ret = LTTNG_ERR_NOMEM; + goto error; + } + /* Add new session to the session list */ session_lock_list(); new_session->id = add_session_list(new_session); @@ -213,8 +220,8 @@ int session_create(char *name, uid_t uid, gid_t gid) * up and, if valid, assign it to the session. */ - DBG("Tracing session %s created with ID %u by UID %d GID %d", name, - new_session->id, new_session->uid, new_session->gid); + DBG("Tracing session %s created with ID %" PRIu64 " by UID %d GID %d", + name, new_session->id, new_session->uid, new_session->gid); return LTTNG_OK;