X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fmain.c;h=0428d33cef82d7f3c18bcff03f2310433808f7bf;hb=6f94560a050962daad560dac2823bd97b0b1bf98;hp=bdefd16763850b7e75a5a9f294ebfb434aca41b3;hpb=25672d0260dce634e1a249dd97d3cc0b592f34a6;p=lttng-tools.git diff --git a/src/bin/lttng-relayd/main.c b/src/bin/lttng-relayd/main.c index bdefd1676..0428d33ce 100644 --- a/src/bin/lttng-relayd/main.c +++ b/src/bin/lttng-relayd/main.c @@ -49,6 +49,7 @@ #include #include #include +#include #include "lttng-relayd.h" @@ -117,13 +118,13 @@ int parse_args(int argc, char **argv) char *default_address; static struct option long_options[] = { - { "control-port", 1, 0, 'C' }, - { "data-port", 1, 0, 'D' }, - { "daemonize", 0, 0, 'd' }, - { "help", 0, 0, 'h' }, - { "output", 1, 0, 'o' }, - { "verbose", 0, 0, 'v' }, - { NULL, 0, 0, 0 } + { "control-port", 1, 0, 'C', }, + { "data-port", 1, 0, 'D', }, + { "daemonize", 0, 0, 'd', }, + { "help", 0, 0, 'h', }, + { "output", 1, 0, 'o', }, + { "verbose", 0, 0, 'v', }, + { NULL, 0, 0, 0 }, }; while (1) { @@ -228,18 +229,13 @@ exit: static void cleanup(void) { - int i, ret; - DBG("Cleaning up"); - for (i = 0; i < 2; i++) { - if (thread_quit_pipe[i] >= 0) { - ret = close(thread_quit_pipe[i]); - if (ret) { - PERROR("close"); - } - } - } + /* Close thread quit pipes */ + utils_close_pipe(thread_quit_pipe); + + /* Close relay cmd pipes */ + utils_close_pipe(relay_cmd_pipe); } /* @@ -250,7 +246,9 @@ int notify_thread_pipe(int wpipe) { int ret; - ret = write(wpipe, "!", 1); + do { + ret = write(wpipe, "!", 1); + } while (ret < 0 && errno == EINTR); if (ret < 0) { PERROR("write poll pipe"); } @@ -351,23 +349,10 @@ int set_signal_handler(void) static int init_thread_quit_pipe(void) { - int ret, i; - - ret = pipe(thread_quit_pipe); - if (ret < 0) { - PERROR("thread quit pipe"); - goto error; - } + int ret; - for (i = 0; i < 2; i++) { - ret = fcntl(thread_quit_pipe[i], F_SETFD, FD_CLOEXEC); - if (ret < 0) { - PERROR("fcntl"); - goto error; - } - } + ret = utils_create_pipe_cloexec(thread_quit_pipe); -error: return ret; } @@ -644,8 +629,10 @@ void *relay_thread_dispatcher(void *data) * call is blocking so we can be assured that the data will be read * at some point in time or wait to the end of the world :) */ - ret = write(relay_cmd_pipe[1], relay_cmd, - sizeof(struct relay_command)); + do { + ret = write(relay_cmd_pipe[1], relay_cmd, + sizeof(struct relay_command)); + } while (ret < 0 && errno == EINTR); free(relay_cmd); if (ret < 0) { PERROR("write cmd pipe"); @@ -1071,8 +1058,10 @@ int relay_recv_metadata(struct lttcomm_relayd_hdr *recv_hdr, goto end; } - ret = write(metadata_stream->fd, metadata_struct->payload, - payload_size); + do { + ret = write(metadata_stream->fd, metadata_struct->payload, + payload_size); + } while (ret < 0 && errno == EINTR); if (ret < (payload_size)) { ERR("Relay error writing metadata on file"); ret = -1; @@ -1206,7 +1195,9 @@ int relay_process_data(struct relay_command *cmd, struct lttng_ht *streams_ht) goto end; } - ret = write(stream->fd, data_buffer, data_size); + do { + ret = write(stream->fd, data_buffer, data_size); + } while (ret < 0 && errno == EINTR); if (ret < data_size) { ERR("Relay error writing data to file"); ret = -1; @@ -1444,23 +1435,10 @@ error_poll_create: */ static int create_relay_cmd_pipe(void) { - int ret, i; - - ret = pipe(relay_cmd_pipe); - if (ret < 0) { - PERROR("relay cmd pipe"); - goto error; - } + int ret; - for (i = 0; i < 2; i++) { - ret = fcntl(relay_cmd_pipe[i], F_SETFD, FD_CLOEXEC); - if (ret < 0) { - PERROR("fcntl relay_cmd_pipe"); - goto error; - } - } + ret = utils_create_pipe_cloexec(relay_cmd_pipe); -error: return ret; } @@ -1480,7 +1458,7 @@ int main(int argc, char **argv) /* Parse arguments */ progname = argv[0]; if ((ret = parse_args(argc, argv) < 0)) { - goto error; + goto exit; } if ((ret = set_signal_handler()) < 0) { @@ -1492,7 +1470,7 @@ int main(int argc, char **argv) ret = daemon(0, 0); if (ret < 0) { PERROR("daemon"); - goto error; + goto exit; } } @@ -1503,7 +1481,7 @@ int main(int argc, char **argv) if (control_uri->port < 1024 || data_uri->port < 1024) { ERR("Need to be root to use ports < 1024"); ret = -1; - goto error; + goto exit; } } @@ -1568,6 +1546,7 @@ exit: if (!ret) { exit(EXIT_SUCCESS); } + error: exit(EXIT_FAILURE); }