static int init_comms(void)
{
mode_t old_mask;
struct sockaddr_un addr = { .sun_family = AF_UNIX };
if (!dm_strncpy(addr.sun_path, SINGLENODE_CLVMD_SOCKNAME,
sizeof(addr.sun_path))) {
DEBUGLOG("%s: singlenode socket name too long.",
SINGLENODE_CLVMD_SOCKNAME);
return -1;
}
close_comms();
(void) dm_prepare_selinux_context(SINGLENODE_CLVMD_SOCKNAME, S_IFSOCK);
old_mask = umask(0077);
listen_fd = socket(PF_UNIX, SOCK_STREAM, 0);
if (listen_fd < 0) {
DEBUGLOG("Can't create local socket: %s\n", strerror(errno));
goto error;
}
/* Set Close-on-exec */
if (fcntl(listen_fd, F_SETFD, 1)) {
DEBUGLOG("Setting CLOEXEC on client fd failed: %s\n", strerror(errno));
goto error;
}
if (bind(listen_fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
DEBUGLOG("Can't bind local socket: %s\n", strerror(errno));
goto error;
}
if (listen(listen_fd, 10) < 0) {
DEBUGLOG("Can't listen local socket: %s\n", strerror(errno));
goto error;
}
umask(old_mask);
(void) dm_prepare_selinux_context(NULL, 0);
return 0;
error:
umask(old_mask);
(void) dm_prepare_selinux_context(NULL, 0);
close_comms();
return -1;
}
static void _cluster_closedown(void)
{
close_comms();
DEBUGLOG("cluster_closedown\n");
destroy_lvhash();
dm_hash_destroy(_locks);
_locks = NULL;
_lockid = 0;
}
static void _cluster_closedown(void)
{
close_comms();
/* If there is any awaited resource, kill it softly */
pthread_mutex_lock(&_lock_mutex);
dm_hash_destroy(_locks);
_locks = NULL;
_lockid = 0;
pthread_cond_broadcast(&_lock_cond); /* wakeup waiters */
pthread_mutex_unlock(&_lock_mutex);
}
