Exemplos de sc_alloc_ns_group em C++ (Cpp)

Exemplo n.º 1

Arquivo: ns-support.c Projeto: pedronis/snappy

struct sc_ns_group *sc_open_ns_group(const char *group_name,
				     const unsigned flags)
{
	struct sc_ns_group *group = sc_alloc_ns_group();
	debug("opening namespace group directory %s", sc_ns_dir);
	group->dir_fd =
	    open(sc_ns_dir, O_DIRECTORY | O_PATH | O_CLOEXEC | O_NOFOLLOW);
	if (group->dir_fd < 0) {
		if (flags & SC_NS_FAIL_GRACEFULLY && errno == ENOENT) {
			free(group);
			return NULL;
		}
		die("cannot open directory for namespace group %s", group_name);
	}
	char lock_fname[PATH_MAX];
	must_snprintf(lock_fname, sizeof lock_fname, "%s%s", group_name,
		      SC_NS_LOCK_FILE);
	debug("opening lock file for namespace group %s", group_name);
	group->lock_fd =
	    openat(group->dir_fd, lock_fname,
		   O_CREAT | O_RDWR | O_CLOEXEC | O_NOFOLLOW, 0600);
	if (group->lock_fd < 0) {
		die("cannot open lock file for namespace group %s", group_name);
	}
	group->name = strdup(group_name);
	if (group->name == NULL) {
		die("cannot duplicate namespace group name %s", group_name);
	}
	return group;
}

Exemplo n.º 2

Arquivo: ns-support-test.c Projeto: jhodapp/snapd

// Check that allocating a namespace group sets up internal data structures to
// safe values.
static void test_sc_alloc_ns_group()
{
	struct sc_ns_group *group = NULL;
	group = sc_alloc_ns_group();
	g_test_queue_free(group);
	g_assert_nonnull(group);
	g_assert_cmpint(group->dir_fd, ==, -1);
	g_assert_cmpint(group->lock_fd, ==, -1);
	g_assert_cmpint(group->event_fd, ==, -1);
	g_assert_cmpint(group->child, ==, 0);
	g_assert_cmpint(group->should_populate, ==, false);
	g_assert_null(group->name);
}

Exemplo n.º 3

Arquivo: ns-support-test.c Projeto: jhodapp/snapd

static void test_sc_unlock_ns_mutex_precondition()
{
	sc_test_use_fake_ns_dir();
	if (g_test_subprocess()) {
		struct sc_ns_group *group = sc_alloc_ns_group();
		g_test_queue_free(group);
		// Try to unlock the mutex, this should abort because we never opened the
		// lock file and don't have a valid file descriptor.
		sc_unlock_ns_mutex(group);
		return;
	}
	g_test_trap_subprocess(NULL, 0, 0);
	g_test_trap_assert_failed();
}

Exemplo n.º 4

Arquivo: ns-support.c Projeto: alfonsosanchezbeato/snappy

struct sc_ns_group *sc_open_ns_group(const char *group_name,
				     const unsigned flags)
{
	struct sc_ns_group *group = sc_alloc_ns_group();
	debug("opening namespace group directory %s", sc_ns_dir);
	group->dir_fd =
	    open(sc_ns_dir, O_DIRECTORY | O_PATH | O_CLOEXEC | O_NOFOLLOW);
	if (group->dir_fd < 0) {
		if (flags & SC_NS_FAIL_GRACEFULLY && errno == ENOENT) {
			free(group);
			return NULL;
		}
		die("cannot open directory for namespace group %s", group_name);
	}
	group->name = strdup(group_name);
	if (group->name == NULL) {
		die("cannot duplicate namespace group name %s", group_name);
	}
	return group;
}