File: destroytest.c

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/* liblxcapi
 *
 * Copyright © 2012 Serge Hallyn <serge.hallyn@ubuntu.com>.
 * Copyright © 2012 Canonical Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2, as
 * published by the Free Software Foundation.
 *
 * 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.
 */
#include <lxc/lxccontainer.h>

#include <unistd.h>
#include <signal.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <errno.h>

#define MYNAME "lxctest1"

static int create_container(void)
{
	int status, ret;
	pid_t pid = fork();

	if (pid < 0) {
		perror("fork");
		return -1;
	}
	if (pid == 0) {
		ret = execlp("lxc-create", "lxc-create", "-t", "busybox", "-n", MYNAME, NULL);
		// Should not return
		perror("execl");
		exit(1);
	}
again:
	ret = waitpid(pid, &status, 0);
	if (ret == -1) {
		if (errno == -EINTR)
			goto again;
		perror("waitpid");
		return -1;
	}
	if (ret != pid)
		goto again;
	if (!WIFEXITED(status))  { // did not exit normally
		fprintf(stderr, "%d: lxc-create exited abnormally\n", __LINE__);
		return -1;
	}
	return WEXITSTATUS(status);
}

int main(int argc, char *argv[])
{
	struct lxc_container *c;
	int ret = 1;

	if ((c = lxc_container_new(MYNAME, NULL)) == NULL) {
		fprintf(stderr, "%d: error opening lxc_container %s\n", __LINE__, MYNAME);
		ret = 1;
		goto out;
	}

	if (c->is_defined(c)) {
		fprintf(stderr, "%d: %s thought it was defined\n", __LINE__, MYNAME);
		goto out;
	}

	if (create_container()) {
		fprintf(stderr, "%d: failed to create a container\n", __LINE__);
		goto out;
	}

	if (!c->is_defined(c)) {
		fprintf(stderr, "%d: %s thought it was not defined\n", __LINE__, MYNAME);
		goto out;
	}

	if (!c->destroy(c)) {
		fprintf(stderr, "%d: error deleting %s\n", __LINE__, MYNAME);
		goto out;
	}

	if (c->is_defined(c)) {
		fprintf(stderr, "%d: %s thought it was defined\n", __LINE__, MYNAME);
		goto out;
	}

	fprintf(stderr, "all lxc_container tests passed for %s\n", c->name);
	ret = 0;
out:
	lxc_container_put(c);
	exit(ret);
}