tests: Make test_per_application_leaks more robust

[lttng-tools.git] / lttng / lttng.c

diff --git a/lttng/lttng.c b/lttng/lttng.c
deleted file mode 100644 (file)
index 6cc5409..0000000
--- a/lttng/lttng.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#define _GNU_SOURCE
-#include <errno.h>
-#include <fcntl.h>
-#include <getopt.h>
-#include <grp.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include <lttng/liblttngctl.h>
-
-#include "lttng.h"
-#include "lttngerr.h"
-
-/* Variables */
-static char *progname;
-
-/* Prototypes */
-static int process_client_opt(void);
-static int process_opt_list_apps(void);
-
-/*
- *  start_client
- *
- *  Process client request from the command line
- *  options. Every tracing action is done by the
- *  liblttngctl API.
- */
-static int process_client_opt(void)
-{
-       int ret;
-
-       /* Connect to the session daemon */
-       ret = lttng_connect_sessiond();
-       if (ret < 0) {
-               ERR("%s", lttng_get_readable_code(ret));
-               goto end;
-       }
-
-       if (opt_list_apps) {
-               ret = process_opt_list_apps();
-               if (ret < 0) {
-                       ERR("%s", lttng_get_readable_code(ret));
-                       goto end;
-               }
-       }
-
-       return 0;
-
-end:
-       return ret;
-}
-
-/*
- *  process_opt_list_apps
- *
- *  Get the UST traceable pid list and print
- *  them to the user.
- */
-static int process_opt_list_apps(void)
-{
-       int i, ret;
-       pid_t *pids;
-       FILE *fp;
-       char path[24];  /* Can't go bigger than /proc/65535/cmdline */
-       char cmdline[PATH_MAX];
-
-       ret = lttng_ust_list_apps(&pids);
-       if (ret < 0) {
-               goto error;
-       }
-
-       MSG("LTTng UST traceable application [name (pid)]:");
-       for (i=0; i < ret; i++) {
-               snprintf(path, sizeof(path), "/proc/%d/cmdline", pids[i]);
-               fp = fopen(path, "r");
-               if (fp == NULL) {
-                       continue;
-               }
-               ret = fread(cmdline, 1, sizeof(cmdline), fp);
-               MSG("\t%s (%d)", cmdline, pids[i]);
-               fclose(fp);
-       }
-
-       /* Allocated by lttng_ust_list_apps() */
-       free(pids);
-
-       return 0;
-
-error:
-       return ret;
-}
-
-/*
- *  check_ltt_sessiond
- *
- *  Check if the session daemon is available using
- *  the liblttngctl API for the check.
- */
-static int check_ltt_sessiond(void)
-{
-       int ret;
-
-       ret = lttng_check_session_daemon();
-       if (ret < 0) {
-               ERR("No session daemon found. Aborting.");
-       }
-
-       return ret;
-}
-
-
-/*
- * clean_exit
- */
-void clean_exit(int code)
-{
-       DBG("Clean exit");
-       exit(code);
-}
-
-/*
- * main
- */
-int main(int argc, char *argv[])
-{
-       int ret;
-
-       progname = argv[0] ? argv[0] : "lttng";
-
-       /* For Mathieu Desnoyers aka Dr Tracing */
-       if (strncmp(progname, "drtrace", 7) == 0) {
-               MSG("%c[%d;%dmWelcome back Dr Tracing!%c[%dm\n\n", 27,1,33,27,0);
-       }
-
-       ret = parse_args(argc, (const char **) argv);
-       if (ret < 0) {
-               return EXIT_FAILURE;
-       }
-
-       if (opt_tracing_group != NULL) {
-               DBG("Set tracing group to '%s'", opt_tracing_group);
-               lttng_set_tracing_group(opt_tracing_group);
-       }
-
-       /* If ask for kernel tracing, need root perms */
-       if (opt_trace_kernel) {
-               DBG("Kernel tracing activated");
-               if (getuid() != 0) {
-                       ERR("%s must be setuid root", progname);
-                       return -EPERM;
-               }
-       }
-
-       /* Check if the lttng session daemon is running.
-        * If no, a daemon will be spawned.
-        */
-       if (check_ltt_sessiond() < 0) {
-               return EXIT_FAILURE;
-       }
-
-       ret = process_client_opt();
-       if (ret < 0) {
-               return ret;
-       }
-
-       return 0;
-}