83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <errno.h>
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#include <unistd.h>
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#include <signal.h>
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#include <string.h>
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#include <stdlib.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <ftw.h>
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#include "cgroup-util.h"
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#include "log.h"
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#include "set.h"
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#include "macro.h"
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#include "util.h"
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#include "mkdir.h"
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int cg_create(const char *controller, const char *path) {
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char *fs;
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int r;
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assert(controller);
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assert(path);
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r = cg_get_path_and_check(controller, path, NULL, &fs);
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if (r < 0)
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return r;
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r = mkdir_parents_label(fs, 0755);
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if (r >= 0) {
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if (mkdir(fs, 0755) >= 0)
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r = 1;
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else if (errno == EEXIST)
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r = 0;
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else
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r = -errno;
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}
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free(fs);
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return r;
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}
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int cg_create_and_attach(const char *controller, const char *path, pid_t pid) {
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int r, q;
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assert(controller);
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assert(path);
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assert(pid >= 0);
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if ((r = cg_create(controller, path)) < 0)
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return r;
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if ((q = cg_attach(controller, path, pid)) < 0)
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return q;
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/* This does not remove the cgroup on failure */
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return r;
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}
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