X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fkernel-consumer.c;h=7582d80f0dea7eaf17d6d805eb680a4dbb657f15;hp=38820af3811e1893ba8a5f6c6109c31599fb7838;hb=890d8fe47755c3bad936389cf48ffa141cff41c9;hpb=53efb85a242809ed5ed21e9ab40effa696ecbc6f diff --git a/src/bin/lttng-sessiond/kernel-consumer.c b/src/bin/lttng-sessiond/kernel-consumer.c index 38820af38..7582d80f0 100644 --- a/src/bin/lttng-sessiond/kernel-consumer.c +++ b/src/bin/lttng-sessiond/kernel-consumer.c @@ -15,15 +15,15 @@ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#define _GNU_SOURCE +#define _LGPL_SOURCE #include #include -#include #include #include #include #include +#include #include "consumer.h" #include "health-sessiond.h" @@ -47,12 +47,16 @@ static char *create_channel_path(struct consumer_output *consumer, PERROR("snprintf kernel channel path"); goto error; } - pathname = strndup(tmp_path, sizeof(tmp_path)); + pathname = lttng_strndup(tmp_path, sizeof(tmp_path)); + if (!pathname) { + PERROR("lttng_strndup"); + goto error; + } /* Create directory */ ret = run_as_mkdir_recursive(pathname, S_IRWXU | S_IRWXG, uid, gid); if (ret < 0) { - if (ret != -EEXIST) { + if (errno != EEXIST) { ERR("Trace directory creation error"); goto error; } @@ -64,7 +68,11 @@ static char *create_channel_path(struct consumer_output *consumer, PERROR("snprintf kernel metadata path"); goto error; } - pathname = strndup(tmp_path, sizeof(tmp_path)); + pathname = lttng_strndup(tmp_path, sizeof(tmp_path)); + if (!pathname) { + PERROR("lttng_strndup"); + goto error; + } DBG3("Kernel network consumer subdir path: %s", pathname); } @@ -99,14 +107,14 @@ int kernel_consumer_add_channel(struct consumer_socket *sock, if (monitor) { pathname = create_channel_path(consumer, session->uid, session->gid); - if (!pathname) { - ret = -1; - goto error; - } } else { /* Empty path. */ pathname = strdup(""); } + if (!pathname) { + ret = -1; + goto error; + } /* Prep channel message structure */ consumer_init_channel_comm_msg(&lkm, @@ -163,14 +171,14 @@ int kernel_consumer_add_metadata(struct consumer_socket *sock, if (monitor) { pathname = create_channel_path(consumer, session->uid, session->gid); - if (!pathname) { - ret = -1; - goto error; - } } else { /* Empty path. */ pathname = strdup(""); } + if (!pathname) { + ret = -1; + goto error; + } /* Prep channel message structure */ consumer_init_channel_comm_msg(&lkm, @@ -373,14 +381,11 @@ int kernel_consumer_send_session(struct consumer_socket *sock, DBG("Sending session stream to kernel consumer"); - if (session->metadata_stream_fd >= 0) { + if (session->metadata_stream_fd >= 0 && session->metadata) { ret = kernel_consumer_add_metadata(sock, session, monitor); if (ret < 0) { goto error; } - - /* Flag that at least the metadata has been sent to the consumer. */ - session->consumer_fds_sent = 1; } /* Send channel and streams of it */ @@ -404,6 +409,7 @@ int kernel_consumer_send_session(struct consumer_socket *sock, DBG("Kernel consumer FDs of metadata and channel streams sent"); + session->consumer_fds_sent = 1; return 0; error: