X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Flttng.c;h=154f6df6b5e31e16d54e275e183290dd61775b33;hb=6f04ed72990f6c72d16fd08d39feac0967da732e;hp=41232bef9e6e4a2efdc40f90ec9b70dff69ea76c;hpb=456b8d40f14be07cca75a9e22ec77976c895d4d5;p=lttng-tools.git diff --git a/src/bin/lttng/lttng.c b/src/bin/lttng/lttng.c index 41232bef9..154f6df6b 100644 --- a/src/bin/lttng/lttng.c +++ b/src/bin/lttng/lttng.c @@ -16,6 +16,7 @@ */ #define _GNU_SOURCE +#define _LGPL_SOURCE #include #include #include @@ -83,14 +84,13 @@ static struct cmd_struct commands[] = { { "snapshot", cmd_snapshot}, { "save", cmd_save}, { "load", cmd_load}, - { "enable-consumer", cmd_enable_consumer}, /* OBSOLETE */ - { "disable-consumer", cmd_disable_consumer}, /* OBSOLETE */ { NULL, NULL} /* Array closure */ }; static void usage(FILE *ofp) { - fprintf(ofp, "LTTng Trace Control " VERSION " - " VERSION_NAME" - " GIT_VERSION "\n\n"); + fprintf(ofp, "LTTng Trace Control " VERSION " - " VERSION_NAME "%s\n\n", + GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION); fprintf(ofp, "usage: lttng [OPTIONS] []\n"); fprintf(ofp, "\n"); fprintf(ofp, "Options:\n"); @@ -134,8 +134,9 @@ static void usage(FILE *ofp) static void version(FILE *ofp) { - fprintf(ofp, "%s (LTTng Trace Control) " VERSION" - " VERSION_NAME" - " GIT_VERSION "\n", - progname); + fprintf(ofp, "%s (LTTng Trace Control) " VERSION" - " VERSION_NAME "%s\n", + progname, + GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION); } /* @@ -237,7 +238,7 @@ static int set_signal_handler(void) sigset_t sigset; if ((ret = sigemptyset(&sigset)) < 0) { - perror("sigemptyset"); + PERROR("sigemptyset"); goto end; } @@ -245,17 +246,17 @@ static int set_signal_handler(void) sa.sa_mask = sigset; sa.sa_flags = 0; if ((ret = sigaction(SIGUSR1, &sa, NULL)) < 0) { - perror("sigaction"); + PERROR("sigaction"); goto end; } if ((ret = sigaction(SIGTERM, &sa, NULL)) < 0) { - perror("sigaction"); + PERROR("sigaction"); goto end; } if ((ret = sigaction(SIGCHLD, &sa, NULL)) < 0) { - perror("sigaction"); + PERROR("sigaction"); goto end; } @@ -323,7 +324,7 @@ static int spawn_sessiond(char *pathname) if (errno == ENOENT) { ERR("No session daemon found. Use --sessiond-path."); } else { - perror("execlp"); + PERROR("execlp"); } kill(getppid(), SIGTERM); /* wake parent */ exit(EXIT_FAILURE); @@ -349,7 +350,7 @@ static int spawn_sessiond(char *pathname) } goto end; } else { - perror("fork"); + PERROR("fork"); ret = -1; goto end; } @@ -442,6 +443,7 @@ static int check_args_no_sessiond(int argc, char **argv) static int parse_args(int argc, char **argv) { int opt, ret; + char *user; if (argc < 2) { usage(stderr); @@ -482,9 +484,17 @@ static int parse_args(int argc, char **argv) break; case OPT_SESSION_PATH: opt_sessiond_path = strdup(optarg); + if (!opt_sessiond_path) { + ret = -1; + goto error; + } break; case OPT_RELAYD_PATH: opt_relayd_path = strdup(optarg); + if (!opt_relayd_path) { + ret = -1; + goto error; + } break; case OPT_DUMP_OPTIONS: list_options(stdout); @@ -520,6 +530,14 @@ static int parse_args(int argc, char **argv) goto error; } + /* For Mathieu Desnoyers a.k.a. Dr. Tracing */ + user = getenv("USER"); + if (user != NULL && ((strncmp(progname, "drtrace", 7) == 0 || + strncmp("compudj", user, 7) == 0))) { + MSG("%c[%d;%dmWelcome back Dr Tracing!%c[%dm\n", 27,1,33,27,0); + } + /* Thanks Mathieu */ + /* * Handle leftovers which is a first level command with the trailing * options. @@ -566,18 +584,9 @@ error: int main(int argc, char *argv[]) { int ret; - char *user; progname = argv[0] ? argv[0] : "lttng"; - /* For Mathieu Desnoyers a.k.a. Dr. Tracing */ - user = getenv("USER"); - if (user != NULL && ((strncmp(progname, "drtrace", 7) == 0 || - strncmp("compudj", user, 7) == 0))) { - MSG("%c[%d;%dmWelcome back Dr Tracing!%c[%dm\n", 27,1,33,27,0); - } - /* Thanks Mathieu */ - ret = set_signal_handler(); if (ret < 0) { clean_exit(ret);