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/*
* Copyright © 2021 Collabora Ltd.
*
* This program 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.
*
* This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <utime.h>
#include <glib.h>
#include <glib/gstdio.h>
#include "flatpak.h"
#include "flatpak-instance-private.h"
#include "libglnx/libglnx.h"
#include "testlib.h"
static void
test_gc (void)
{
g_autoptr(GBytes) bytes = NULL;
g_autoptr(GError) error = NULL;
g_autoptr(GPtrArray) instances = NULL;
g_autofree char *base_dir = flatpak_instance_get_instances_directory ();
g_autofree char *alive_dir = g_build_filename (base_dir, "1", NULL);
g_autofree char *alive_lock = g_build_filename (alive_dir, ".ref", NULL);
g_autofree char *dead_dir = g_build_filename (base_dir, "2", NULL);
g_autofree char *dead_lock = g_build_filename (dead_dir, ".ref", NULL);
g_autofree char *hold_lock = g_test_build_filename (G_TEST_BUILT, "hold-lock", NULL);
struct utimbuf a_while_ago = {};
const char *hold_lock_argv[] = { "hold-lock", "--lock-file", ".ref", NULL };
GPid pid = -1;
int stdout_fd = -1;
int wstatus = 0;
FlatpakInstance *instance;
struct stat stat_buf;
g_assert_no_errno (g_mkdir_with_parents (alive_dir, 0700));
g_assert_no_errno (g_mkdir_with_parents (dead_dir, 0700));
g_file_set_contents (alive_lock, "", 0, &error);
g_assert_no_error (error);
g_file_set_contents (dead_lock, "", 0, &error);
g_assert_no_error (error);
hold_lock_argv[0] = hold_lock;
hold_lock_argv[2] = alive_lock;
g_spawn_async_with_pipes (NULL,
(gchar **) hold_lock_argv,
NULL,
G_SPAWN_DO_NOT_REAP_CHILD,
NULL,
NULL,
&pid,
NULL,
&stdout_fd,
NULL,
&error);
g_assert_no_error (error);
g_assert_cmpint (pid, >, 1);
g_assert_cmpint (stdout_fd, >=, 0);
/* Wait for the child to be ready */
bytes = glnx_fd_readall_bytes (stdout_fd, NULL, &error);
g_assert_no_error (error);
/* Pretend the locks were created in early 1970, to bypass the workaround
* for a race */
g_assert_no_errno (g_utime (alive_lock, &a_while_ago));
g_assert_no_errno (g_utime (dead_lock, &a_while_ago));
/* This has the side-effect of GC'ing instances */
instances = flatpak_instance_get_all ();
g_assert_no_errno (stat (alive_dir, &stat_buf));
g_assert_cmpint (stat (dead_dir, &stat_buf) == 0 ? 0 : errno, ==, ENOENT);
g_assert_cmpuint (instances->len, ==, 1);
instance = g_ptr_array_index (instances, 0);
g_assert_true (FLATPAK_IS_INSTANCE (instance));
g_assert_cmpstr (flatpak_instance_get_id (instance), ==, "1");
kill (pid, SIGTERM);
g_assert_no_errno (waitpid (pid, &wstatus, 0));
g_assert_true (WIFSIGNALED (wstatus));
g_assert_cmpint (WTERMSIG (wstatus), ==, SIGTERM);
g_spawn_close_pid (pid);
}
int
main (int argc, char *argv[])
{
int res;
isolated_test_dir_global_setup ();
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/instance/gc", test_gc);
res = g_test_run ();
isolated_test_dir_global_teardown ();
return res;
}
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