static int busname_serialize(Unit *u, FILE *f, FDSet *fds) {
BusName *n = BUSNAME(u);
assert(n);
assert(f);
assert(fds);
unit_serialize_item(u, f, "state", busname_state_to_string(n->state));
unit_serialize_item(u, f, "result", busname_result_to_string(n->result));
if (n->control_pid > 0)
unit_serialize_item_format(u, f, "control-pid", PID_FMT, n->control_pid);
if (n->starter_fd >= 0) {
int copy;
copy = fdset_put_dup(fds, n->starter_fd);
if (copy < 0)
return copy;
unit_serialize_item_format(u, f, "starter-fd", "%i", copy);
}
return 0;
}
static int automount_serialize(Unit *u, FILE *f, FDSet *fds) {
Automount *a = AUTOMOUNT(u);
void *p;
Iterator i;
assert(a);
assert(f);
assert(fds);
unit_serialize_item(u, f, "state", automount_state_to_string(a->state));
unit_serialize_item(u, f, "result", automount_result_to_string(a->result));
unit_serialize_item_format(u, f, "dev-id", "%u", (unsigned) a->dev_id);
SET_FOREACH(p, a->tokens, i)
unit_serialize_item_format(u, f, "token", "%u", PTR_TO_UINT(p));
if (a->pipe_fd >= 0) {
int copy;
copy = fdset_put_dup(fds, a->pipe_fd);
if (copy < 0)
return copy;
unit_serialize_item_format(u, f, "pipe-fd", "%i", copy);
}
return 0;
}
static void test_fdset_put_dup(void) {
_cleanup_close_ int fd = -1;
int copyfd = -1;
_cleanup_fdset_free_ FDSet *fdset = NULL;
char name[] = "/tmp/test-fdset_put_dup.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
copyfd = fdset_put_dup(fdset, fd);
assert_se(copyfd >= 0 && copyfd != fd);
assert_se(fdset_contains(fdset, copyfd));
assert_se(!fdset_contains(fdset, fd));
unlink(name);
}
static void test_fdset_close_others(void) {
int fd = -1;
int copyfd = -1;
_cleanup_fdset_free_ FDSet *fdset = NULL;
int flags = -1;
char name[] = "/tmp/test-fdset_close_others.XXXXXX";
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
fdset = fdset_new();
assert_se(fdset);
copyfd = fdset_put_dup(fdset, fd);
assert_se(copyfd >= 0);
assert_se(fdset_close_others(fdset) >= 0);
flags = fcntl(fd, F_GETFD);
assert_se(flags < 0);
flags = fcntl(copyfd, F_GETFD);
assert_se(flags >= 0);
unlink(name);
}
