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Implement UST destroy session
[lttng-tools.git]
/
lttng-sessiond
/
ust-consumer.c
diff --git
a/lttng-sessiond/ust-consumer.c
b/lttng-sessiond/ust-consumer.c
index df569368ae04f2e8faafb1b9ebbfde069fc618aa..866d7bd56bc199e8bed90b2e3abc1ec88f48a070 100644
(file)
--- a/
lttng-sessiond/ust-consumer.c
+++ b/
lttng-sessiond/ust-consumer.c
@@
-46,8
+46,11
@@
static int send_channel_streams(int sock,
lum.cmd_type = LTTNG_CONSUMER_ADD_CHANNEL;
/*
lum.cmd_type = LTTNG_CONSUMER_ADD_CHANNEL;
/*
- * We need to keep shm_fd open to make sure this key stays unique within
- * the session daemon.
+ * We need to keep shm_fd open while we transfer the stream file
+ * descriptors to make sure this key stays unique within the
+ * session daemon. We can free the channel shm_fd without
+ * problem after we finished sending stream fds for that
+ * channel.
*/
lum.u.channel.channel_key = uchan->obj->shm_fd;
lum.u.channel.max_sb_size = uchan->attr.subbuf_size;
*/
lum.u.channel.channel_key = uchan->obj->shm_fd;
lum.u.channel.max_sb_size = uchan->attr.subbuf_size;
@@
-97,18
+100,7
@@
static int send_channel_streams(int sock,
perror("send consumer stream ancillary data");
goto error;
}
perror("send consumer stream ancillary data");
goto error;
}
-
- /*
- * We release the stream object here, as we have passed
- * it to the consumer.
- */
- /* Ensure we don't let the app know (sock = -1). */
- ustctl_release_object(-1, stream->obj);
- cds_list_del(&stream->list);
- free(stream);
}
}
- /* Ensure we don't let the app know (sock = -1). */
- ustctl_release_object(-1, uchan->obj);
DBG("consumer channel streams sent");
DBG("consumer channel streams sent");
@@
-176,10
+168,6
@@
int ust_consumer_send_session(int consumer_fd, struct ust_app_session *usess)
perror("send consumer stream");
goto error;
}
perror("send consumer stream");
goto error;
}
- /* Metadata fds passed to consumer, release them. */
- /* Ensure we don't let the app know (sock = -1). */
- ustctl_release_object(-1, usess->metadata->stream_obj);
- ustctl_release_object(-1, usess->metadata->obj);
}
/* Send each channel fd streams of session */
}
/* Send each channel fd streams of session */
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