diff options
Diffstat (limited to 'src/cgls/cgls.c')
| -rw-r--r-- | src/cgls/cgls.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c deleted file mode 100644 index b2cd968e46..0000000000 --- a/src/cgls/cgls.c +++ /dev/null @@ -1,182 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <limits.h> -#include <stdio.h> -#include <unistd.h> -#include <errno.h> -#include <getopt.h> -#include <string.h> - -#include "cgroup-show.h" -#include "cgroup-util.h" -#include "log.h" -#include "path-util.h" -#include "util.h" -#include "pager.h" -#include "build.h" - -static bool arg_no_pager = false; -static bool arg_kernel_threads = false; -static bool arg_all = false; - -static void help(void) { - - printf("%s [OPTIONS...] [CGROUP...]\n\n" - "Recursively show control group contents.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --no-pager Do not pipe output into a pager\n" - " -a --all Show all groups, including empty\n" - " -k Include kernel threads in output\n", - program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_NO_PAGER = 0x100, - ARG_VERSION - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "no-pager", no_argument, NULL, ARG_NO_PAGER }, - { "all", no_argument, NULL, 'a' }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 1); - assert(argv); - - while ((c = getopt_long(argc, argv, "hka", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(DISTRIBUTION); - puts(SYSTEMD_FEATURES); - return 0; - - case ARG_NO_PAGER: - arg_no_pager = true; - break; - - case 'a': - arg_all = true; - break; - - case 'k': - arg_kernel_threads = true; - break; - - case '?': - return -EINVAL; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - return 1; -} - -int main(int argc, char *argv[]) { - int r = 0, retval = EXIT_FAILURE; - - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r < 0) - goto finish; - else if (r == 0) { - retval = EXIT_SUCCESS; - goto finish; - } - - if (!arg_no_pager) - pager_open(); - - if (optind < argc) { - unsigned i; - - for (i = (unsigned) optind; i < (unsigned) argc; i++) { - int q; - printf("%s:\n", argv[i]); - - q = show_cgroup_by_path(argv[i], NULL, 0, arg_kernel_threads, arg_all); - if (q < 0) - r = q; - } - - } else { - char *p; - - p = get_current_dir_name(); - if (!p) { - log_error("Cannot determine current working directory: %m"); - goto finish; - } - - if (path_startswith(p, "/sys/fs/cgroup")) { - printf("Working Directory %s:\n", p); - r = show_cgroup_by_path(p, NULL, 0, arg_kernel_threads, arg_all); - } else { - char *root = NULL; - const char *t = NULL; - - r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 1, &root); - if (r < 0) - t = "/"; - else { - if (endswith(root, "/system")) - root[strlen(root)-7] = 0; - - t = root[0] ? root : "/"; - } - - r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, t, NULL, 0, arg_kernel_threads, arg_all); - free(root); - } - - free(p); - } - - if (r < 0) - log_error("Failed to list cgroup tree: %s", strerror(-r)); - - retval = EXIT_SUCCESS; - -finish: - pager_close(); - - return retval; -} |