X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fjul.c;h=3c251998ef560d13d965337515746d9ada832cf1;hb=53efb85a242809ed5ed21e9ab40effa696ecbc6f;hp=183081dc04bc942df9363eabc2d70f2e03d4517c;hpb=6c50984057fcbc4559573e99b2eed2ee8f5694a6;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/jul.c b/src/bin/lttng-sessiond/jul.c index 183081dc0..3c251998e 100644 --- a/src/bin/lttng-sessiond/jul.c +++ b/src/bin/lttng-sessiond/jul.c @@ -67,6 +67,7 @@ static int send_header(struct lttcomm_sock *sock, uint64_t data_size, assert(sock); + memset(&msg, 0, sizeof(msg)); msg.data_size = htobe64(data_size); msg.cmd = htobe32(cmd); msg.cmd_version = htobe32(cmd_version); @@ -248,6 +249,9 @@ static int enable_event(struct jul_app *app, struct jul_event *event) goto error_io; } + memset(&msg, 0, sizeof(msg)); + msg.loglevel = event->loglevel; + msg.loglevel_type = event->loglevel_type; strncpy(msg.name, event->name, sizeof(msg.name)); ret = send_payload(app->sock, &msg, sizeof(msg)); if (ret < 0) { @@ -307,6 +311,7 @@ static int disable_event(struct jul_app *app, struct jul_event *event) goto error_io; } + memset(&msg, 0, sizeof(msg)); strncpy(msg.name, event->name, sizeof(msg.name)); ret = send_payload(app->sock, &msg, sizeof(msg)); if (ret < 0) { @@ -441,24 +446,30 @@ int jul_list_events(struct lttng_event **events) goto error_unlock; } - if (count >= nbmem) { + if (count + nb_ev > nbmem) { /* In case the realloc fails, we free the memory */ - void *ptr; - - DBG2("Reallocating JUL event list from %zu to %zu entries", nbmem, - 2 * nbmem); - nbmem *= 2; - ptr = realloc(tmp_events, nbmem * sizeof(*tmp_events)); - if (!ptr) { + struct lttng_event *new_tmp_events; + size_t new_nbmem; + + new_nbmem = max_t(size_t, count + nb_ev, nbmem << 1); + DBG2("Reallocating JUL event list from %zu to %zu entries", + nbmem, new_nbmem); + new_tmp_events = realloc(tmp_events, + new_nbmem * sizeof(*new_tmp_events)); + if (!new_tmp_events) { PERROR("realloc JUL events"); ret = -ENOMEM; free(jul_events); goto error_unlock; } - tmp_events = ptr; + /* Zero the new memory */ + memset(new_tmp_events + nbmem, 0, + (new_nbmem - nbmem) * sizeof(*new_tmp_events)); + nbmem = new_nbmem; + tmp_events = new_tmp_events; } - memcpy(tmp_events + (count * sizeof(*tmp_events)), jul_events, - nb_ev * sizeof(*tmp_events)); + memcpy(tmp_events + count, jul_events, + nb_ev * sizeof(*tmp_events)); free(jul_events); count += nb_ev; } @@ -677,27 +688,6 @@ error: return NULL; } -/* - * Delete JUL event from given domain. Events hash table MUST be initialized. - */ -void jul_delete_event(struct jul_event *event, struct jul_domain *dom) -{ - int ret; - struct lttng_ht_iter iter; - - assert(event); - assert(dom); - assert(dom->events); - - DBG3("JUL deleting event %s from domain", event->name); - - iter.iter.node = &event->node.node; - rcu_read_lock(); - ret = lttng_ht_del(dom->events, &iter); - rcu_read_unlock(); - assert(!ret); -} - /* * Free given JUL event. This event must not be globally visible at this * point (only expected to be used on failure just after event