X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.c;h=8e6d20e86d8f19dec7d63d1a1a7b2e155ef86153;hb=d31efcff675bdd407f300de4ad971b74abb0c38f;hp=335c20ff18556f6df3705be8be6440ff14b1f00e;hpb=9bc07046c0e2a572eb3821e276949537614f74e0;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/ust-app.c b/src/bin/lttng-sessiond/ust-app.c index 335c20ff1..8e6d20e86 100644 --- a/src/bin/lttng-sessiond/ust-app.c +++ b/src/bin/lttng-sessiond/ust-app.c @@ -1,19 +1,18 @@ /* * Copyright (C) 2011 - David Goulet * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; only version 2 - * of the License. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2 only, + * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #define _GNU_SOURCE @@ -198,7 +197,10 @@ void delete_ust_app(struct ust_app *app) * closing this socket, otherwise an application could re-use the socket ID * and race with the teardown, using the same hash table entry. */ - close(sock); + ret = close(sock); + if (ret) { + PERROR("close"); + } DBG2("UST app pid %d deleted", app->key.pid); free(app); @@ -1268,20 +1270,27 @@ error: int ust_app_register(struct ust_register_msg *msg, int sock) { struct ust_app *lta; + int ret; if ((msg->bits_per_long == 64 && ust_consumerd64_fd == -EINVAL) || (msg->bits_per_long == 32 && ust_consumerd32_fd == -EINVAL)) { ERR("Registration failed: application \"%s\" (pid: %d) has " "%d-bit long, but no consumerd for this long size is available.\n", msg->name, msg->pid, msg->bits_per_long); - close(sock); + ret = close(sock); + if (ret) { + PERROR("close"); + } return -EINVAL; } if (msg->major != LTTNG_UST_COMM_MAJOR) { ERR("Registration failed: application \"%s\" (pid: %d) has " "communication protocol version %u.%u, but sessiond supports 2.x.\n", msg->name, msg->pid, msg->major, msg->minor); - close(sock); + ret = close(sock); + if (ret) { + PERROR("close"); + } return -EINVAL; } lta = zmalloc(sizeof(struct ust_app)); @@ -1935,6 +1944,9 @@ int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) goto skip_setup; } + /* Indicate that the session has been started once */ + ua_sess->started = 1; + ret = create_ust_app_metadata(ua_sess, usess->pathname, app); if (ret < 0) { goto error_rcu_unlock; @@ -1991,7 +2003,6 @@ int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) if (ret < 0) { goto error_rcu_unlock; } - ua_sess->started = 1; skip_setup: /* This start the UST tracing */