/*
* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
*
- * 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
}
/* Init data structure */
- lks->fd = 0;
- lks->metadata_stream_fd = 0;
+ lks->fd = -1;
+ lks->metadata_stream_fd = -1;
lks->channel_count = 0;
lks->stream_count_global = 0;
lks->metadata = NULL;
- lks->consumer_fd = 0;
+ lks->consumer_fd = -1;
CDS_INIT_LIST_HEAD(&lks->channel_list.head);
/* Set session path */
}
memcpy(lkc->channel, chan, sizeof(struct lttng_channel));
- lkc->fd = 0;
+ lkc->fd = -1;
lkc->stream_count = 0;
lkc->event_count = 0;
lkc->enabled = 1;
attr->name[LTTNG_KERNEL_SYM_NAME_LEN - 1] = '\0';
/* Setting up a kernel event */
- lke->fd = 0;
+ lke->fd = -1;
lke->event = attr;
lke->enabled = 1;
lke->ctx = NULL;
return lke;
error:
+ free(lke);
+ free(attr);
return NULL;
}
chan->attr.output = DEFAULT_KERNEL_CHANNEL_OUTPUT;
/* Init metadata */
- lkm->fd = 0;
+ lkm->fd = -1;
lkm->conf = chan;
/* Set default metadata path */
ret = asprintf(&lkm->pathname, "%s/metadata", path);
return lkm;
error:
+ free(lkm);
+ free(chan);
return NULL;
}
}
/* Init stream */
- lks->fd = 0;
+ lks->fd = -1;
lks->pathname = NULL;
lks->state = 0;
*/
void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream)
{
+ int ret;
+
DBG("[trace] Closing stream fd %d", stream->fd);
/* Close kernel fd */
- close(stream->fd);
+ if (stream->fd >= 0) {
+ ret = close(stream->fd);
+ if (ret) {
+ PERROR("close");
+ }
+ }
/* Remove from stream list */
cds_list_del(&stream->list);
*/
void trace_kernel_destroy_event(struct ltt_kernel_event *event)
{
+ int ret;
+
if (event->fd >= 0) {
DBG("[trace] Closing event fd %d", event->fd);
/* Close kernel fd */
- close(event->fd);
+ ret = close(event->fd);
+ if (ret) {
+ PERROR("close");
+ }
} else {
DBG("[trace] Tearing down event (no associated fd)");
}
{
struct ltt_kernel_stream *stream, *stmp;
struct ltt_kernel_event *event, *etmp;
+ int ret;
DBG("[trace] Closing channel fd %d", channel->fd);
/* Close kernel fd */
- close(channel->fd);
+ if (channel->fd >= 0) {
+ ret = close(channel->fd);
+ if (ret) {
+ PERROR("close");
+ }
+ }
/* For each stream in the channel list */
cds_list_for_each_entry_safe(stream, stmp, &channel->stream_list.head, list) {
*/
void trace_kernel_destroy_metadata(struct ltt_kernel_metadata *metadata)
{
+ int ret;
+
DBG("[trace] Closing metadata fd %d", metadata->fd);
/* Close kernel fd */
- close(metadata->fd);
+ if (metadata->fd >= 0) {
+ ret = close(metadata->fd);
+ if (ret) {
+ PERROR("close");
+ }
+ }
free(metadata->conf);
free(metadata->pathname);
void trace_kernel_destroy_session(struct ltt_kernel_session *session)
{
struct ltt_kernel_channel *channel, *ctmp;
+ int ret;
DBG("[trace] Closing session fd %d", session->fd);
/* Close kernel fds */
- close(session->fd);
+ if (session->fd >= 0) {
+ ret = close(session->fd);
+ if (ret) {
+ PERROR("close");
+ }
+ }
- if (session->metadata_stream_fd != 0) {
+ if (session->metadata_stream_fd >= 0) {
DBG("[trace] Closing metadata stream fd %d", session->metadata_stream_fd);
- close(session->metadata_stream_fd);
+ ret = close(session->metadata_stream_fd);
+ if (ret) {
+ PERROR("close");
+ }
}
if (session->metadata != NULL) {