/* BGP keepalive fire ! */
static int
bgp_keepalive_timer (struct thread *thread)
{
struct peer *peer;
peer = THREAD_ARG (thread);
peer->t_keepalive = NULL;
if (BGP_DEBUG (fsm, FSM))
zlog (peer->log, LOG_DEBUG,
"%s [FSM] Timer (keepalive timer expire)",
peer->host__item);
THREAD_VAL (thread) = KeepAlive_timer_expired;
bgp_event (thread); /* bgp_event unlocks peer */
return 0;
}
/* BGP holdtime timer. */
static int
bgp_holdtime_timer (struct thread *thread)
{
struct peer *peer;
peer = THREAD_ARG (thread);
peer->t_holdtime = NULL;
if (BGP_DEBUG (fsm, FSM))
zlog (peer->log, LOG_DEBUG,
"%s [FSM] Timer (holdtime timer expire)",
peer->host);
THREAD_VAL (thread) = Hold_Timer_expired;
bgp_event (thread);
return 0;
}
/* Bind socket to specified address. */
int
sockunion_bind (int sock, union sockunion *su, unsigned short port,
union sockunion *su_addr)
{
int size = 0;
int ret;
if (su->sa.sa_family == AF_INET)
{
size = sizeof (struct sockaddr_in);
su->sin.sin_port = htons (port);
#ifdef HAVE_SIN_LEN
su->sin.sin_len = size;
#endif /* HAVE_SIN_LEN */
if (su_addr == NULL)
su->sin.sin_addr.s_addr = htonl (INADDR_ANY);
}
#ifdef HAVE_IPV6
else if (su->sa.sa_family == AF_INET6)
{
size = sizeof (struct sockaddr_in6);
su->sin6.sin6_port = htons (port);
#ifdef SIN6_LEN
su->sin6.sin6_len = size;
#endif /* SIN6_LEN */
if (su_addr == NULL)
{
#if defined(LINUX_IPV6) || defined(NRL)
memset (&su->sin6.sin6_addr, 0, sizeof (struct in6_addr));
#else
su->sin6.sin6_addr = in6addr_any;
#endif /* LINUX_IPV6 */
}
}
#endif /* HAVE_IPV6 */
ret = bind (sock, (struct sockaddr *)su, size);
#ifdef FOX_RIP_DEBUG
if (ret < 0)
zlog (NULL, LOG_WARNING, "can't bind socket : %s", strerror (errno));
#endif /* FOX_RIP_DEBUG */
return ret;
}
bool ZoneServer::SetZone(uint32 iZoneID, uint32 iInstanceID, bool iStaticZone) {
BootingUp = false;
const char* zn = MakeLowerString(database.GetZoneName(iZoneID));
char* longname;
if (iZoneID)
zlog(WORLD__ZONE,"Setting to '%s' (%d:%d)%s",(zn) ? zn : "",iZoneID, iInstanceID,
iStaticZone ? " (Static)" : "");
zoneID = iZoneID;
instanceID = iInstanceID;
if(iZoneID!=0)
oldZoneID = iZoneID;
if (zoneID == 0) {
client_list.CLERemoveZSRef(this);
pNumPlayers = 0;
LSSleepUpdate(GetPrevZoneID());
}
staticzone = iStaticZone;
if (zn)
{
strn0cpy(zone_name, zn, sizeof(zone_name));
if( database.GetZoneLongName( (char*)zone_name, &longname, NULL, NULL, NULL, NULL, NULL, NULL ) )
{
strn0cpy(long_name, longname, sizeof(long_name));
safe_delete_array( longname );
}
else
strcpy(long_name, "");
}
else
{
strcpy(zone_name, "");
strcpy(long_name, "");
}
client_list.ZoneBootup(this);
ls_zboot.Start();
return true;
}
/* Join to the RIP version 2 multicast group. */
static int
ipv4_multicast_join (int sock,
struct in_addr group,
struct in_addr ifa,
unsigned int ifindex)
{
int ret;
ret = setsockopt_ipv4_multicast (sock,
IP_ADD_MEMBERSHIP,
group.s_addr,
ifindex);
if (ret < 0)
zlog (NULL, LOG_INFO, "can't setsockopt IP_ADD_MEMBERSHIP %s",
safe_strerror (errno));
return ret;
}
void fpm_request_finished() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
fpm_clock_get(&now);
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_FINISHED;
proc->tv = now;
memset(&proc->accepted, 0, sizeof(proc->accepted));
proc->accepted_epoch = 0;
fpm_scoreboard_proc_release(proc);
}
int fpm_trace_ready(pid_t pid)
{
kern_return_t kr;
kr = task_for_pid(mach_task_self(), pid, &target);
if (kr != KERN_SUCCESS) {
char *msg = "";
if (kr == KERN_FAILURE) {
msg = " It seems that master process does not have enough privileges to trace processes.";
}
zlog(ZLOG_STUFF, ZLOG_ERROR, "task_for_pid() failed: %s (%d)%s", mach_error_string(kr), kr, msg);
return -1;
}
return 0;
}
/* After TCP connection is established. Get remote address and port. */
union sockunion *
sockunion_getpeername (int fd)
{
int ret;
socklen_t len;
union
{
struct sockaddr sa;
struct sockaddr_in sin;
#ifdef HAVE_IPV6
struct sockaddr_in6 sin6;
#endif /* HAVE_IPV6 */
char tmp_buffer[128];
} name;
union sockunion *su;
memset (&name, 0, sizeof name);
len = sizeof name;
ret = getpeername (fd, (struct sockaddr *)&name, &len);
if (ret < 0)
{
zlog (NULL, LOG_WARNING, "Can't get remote address and port: %s",
safe_strerror (errno));
return NULL;
}
if (name.sa.sa_family == AF_INET)
{
su = XCALLOC (MTYPE_SOCKUNION, sizeof (union sockunion));
memcpy (su, &name, sizeof (struct sockaddr_in));
return su;
}
#ifdef HAVE_IPV6
if (name.sa.sa_family == AF_INET6)
{
su = XCALLOC (MTYPE_SOCKUNION, sizeof (union sockunion));
memcpy (su, &name, sizeof (struct sockaddr_in6));
sockunion_normalise_mapped (su);
return su;
}
#endif /* HAVE_IPV6 */
return NULL;
}
int ospf_hello_timer(struct thread *thread)
{
struct ospf_interface *oi;
oi = THREAD_ARG(thread);
oi->t_hello = NULL;
if (IS_DEBUG_OSPF(ism, ISM_TIMERS))
zlog(NULL, LOG_DEBUG, "ISM[%s]: Timer (Hello timer expire)",
IF_NAME(oi));
/* Sending hello packet. */
ospf_hello_send(oi);
/* Hello timer set. */
OSPF_HELLO_TIMER_ON(oi);
return 0;
}
/*
* Remove a FD from the fd set
*/
static int fpm_event_poll_remove(struct fpm_event_s *ev) /* {{{ */
{
int i;
/* do we have a direct access */
if (ev->index >= 0 && ev->index < npollfds && pollfds[ev->index].fd == ev->fd) {
/* remember this slot as free */
next_free_slot = ev->index;
/* clear event in pollfds */
pollfds[ev->index].fd = -1;
pollfds[ev->index].events = 0;
/* mark the event as not registered */
ev->index = -1;
return 0;
}
/* let's search */
for (i = 0; i < npollfds; i++) {
if (pollfds[i].fd != ev->fd) {
/* not found */
continue;
}
/* remember this slot as free */
next_free_slot = i;
/* clear event in pollfds */
pollfds[i].fd = -1;
pollfds[i].events = 0;
/* mark the event as not registered */
ev->index = -1;
return 0;
}
zlog(ZLOG_ERROR, "poll: unable to remove event: not found (fd=%d, index=%d)", ev->fd, ev->index);
return -1;
}
/*
* Set MD5 key for the socket, for the given IPv4 peer address.
* If the password is NULL or zero-length, the option will be disabled.
*/
static int
bgp_md5_set_socket (int socket, union sockunion *su, const char *password)
{
int ret = -1;
int en = ENOSYS;
assert (socket >= 0);
#if HAVE_DECL_TCP_MD5SIG
ret = sockopt_tcp_signature (socket, su, password);
en = errno;
#endif /* HAVE_TCP_MD5SIG */
if (ret < 0)
zlog (NULL, LOG_WARNING, "can't set TCP_MD5SIG option on socket %d: %s",
socket, safe_strerror (en));
return ret;
}
/* Hold timer expire. This is error of BGP connection. So cut the
peer and change to Idle status. */
static int
bgp_fsm_holdtime_expire (struct peer *peer)
{
if (BGP_DEBUG (fsm, FSM))
zlog (peer->log, LOG_DEBUG, "%s [FSM] Hold timer expire", peer->host);
/* Send notify to remote peer. */
bgp_notify_send (peer, BGP_NOTIFY_HOLD_ERR, 0);
/* Sweep if it is temporary peer. */
if (CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER))
{
zlog_info ("%s [Event] Accepting BGP peer is deleted", peer->host);
peer_delete (peer);
return -1;
}
return 0;
}
/* BGP start timer. This function set BGP_Start event to thread value
and process event. */
static int
bgp_start_timer (struct thread *thread)
{
struct peer *peer;
peer = THREAD_ARG (thread);
peer->t_start = NULL;
UNSET_FLAG (peer->sflags, PEER_STATUS_CREATE_INIT);
if (BGP_DEBUG (fsm, FSM))
zlog (peer->log, LOG_DEBUG,
"%s [FSM] Timer (start timer expire).", peer->host);
THREAD_VAL (thread) = BGP_Start;
bgp_event (thread);
return 0;
}
/* return 0 if it's not the request page
* return 1 if ouput has been set)
* *output unchanged: error (return 500)
* *output changed: no error (return 200)
*/
int fpm_status_handle_status(char *uri, char *query_string, char **output, char **content_type) /* {{{ */
{
struct fpm_status_s status;
if (!fpm_status_uri || !uri) {
return 0;
}
/* It's not the status page */
if (strcmp(fpm_status_uri, uri)) {
return 0;
}
if (!output || !content_type || !fpm_status_shm) {
return 1;
}
if (!fpm_status_shm->mem) {
return 1;
}
/* one shot operation */
status = *(struct fpm_status_s *)fpm_status_shm->mem;
if (status.idle < 0 || status.active < 0 || status.total < 0) {
return 1;
}
if (query_string && strstr(query_string, "html")) {
fpm_status_handle_status_html(&status, output, content_type);
} else if (query_string && strstr(query_string, "json")) {
fpm_status_handle_status_json(&status, output, content_type);
} else {
fpm_status_handle_status_txt(&status, output, content_type);
}
if (!*output || !content_type) {
zlog(ZLOG_ERROR, "[pool %s] unable to allocate status ouput buffer", fpm_status_pool);
return 1;
}
return 1;
}
void fpm_request_reading_headers() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
clock_t now_epoch;
#ifdef HAVE_TIMES
struct tms cpu;
#endif
fpm_clock_get(&now);
now_epoch = time(NULL);
#ifdef HAVE_TIMES
times(&cpu);
#endif
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_READING_HEADERS;
proc->tv = now;
proc->accepted = now;
proc->accepted_epoch = now_epoch;
#ifdef HAVE_TIMES
proc->cpu_accepted = cpu;
#endif
proc->requests++;
proc->request_uri[0] = '\0';
proc->request_method[0] = '\0';
proc->script_filename[0] = '\0';
proc->query_string[0] = '\0';
proc->query_string[0] = '\0';
proc->auth_user[0] = '\0';
proc->content_length = 0;
fpm_scoreboard_proc_release(proc);
/* idle--, active++, request++ */
fpm_scoreboard_update(-1, 1, 0, 0, 1, 0, 0, FPM_SCOREBOARD_ACTION_INC, NULL);
}
void fpm_request_accepting() /* {{{ */
{
struct fpm_scoreboard_proc_s *proc;
struct timeval now;
fpm_clock_get(&now);
proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
if (proc == NULL) {
zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
return;
}
proc->request_stage = FPM_REQUEST_ACCEPTING;
proc->tv = now;
fpm_scoreboard_proc_release(proc);
/* idle++, active-- */
fpm_scoreboard_update(1, -1, 0, 0, 0, 0, 0, FPM_SCOREBOARD_ACTION_INC, NULL);
}
int fpm_children_create_initial(struct fpm_worker_pool_s *wp) /* {{{ */
{
if (wp->config->pm == PM_STYLE_ONDEMAND) {
wp->ondemand_event = (struct fpm_event_s *)malloc(sizeof(struct fpm_event_s));
if (!wp->ondemand_event) {
zlog(ZLOG_ERROR, "[pool %s] unable to malloc the ondemand socket event", wp->config->name);
// FIXME handle crash
return 1;
}
memset(wp->ondemand_event, 0, sizeof(struct fpm_event_s));
fpm_event_set(wp->ondemand_event, wp->listening_socket, FPM_EV_READ | FPM_EV_EDGE, fpm_pctl_on_socket_accept, wp);
wp->socket_event_set = 1;
fpm_event_add(wp->ondemand_event, 0);
return 1;
}
return fpm_children_make(wp, 0 /* not in event loop yet */, 0, 1);
}
/*
* Remove a FD from the fd set
*/
static int fpm_event_devpoll_remove(struct fpm_event_s *ev) /* {{{ */
{
struct pollfd pollfd;
/* fill pollfd with the same informations as fpm_event_devpoll_add */
pollfd.fd = ev->fd;
pollfd.events = POLLIN | POLLREMOVE;
pollfd.revents = 0;
/* add the event to the internal queue */
if (write(dpfd, &pollfd, sizeof(struct pollfd)) != sizeof(struct pollfd)) {
zlog(ZLOG_ERROR, "/dev/poll: Unable to remove the event in the internal queue");
return -1;
}
/* mark the event as registered */
ev->index = -1;
return 0;
}
/*
* Remove a FD from the kevent queue
*/
static int fpm_event_kqueue_remove(struct fpm_event_s *ev) /* {{{ */
{
struct kevent k;
int flags = EV_DELETE;
if (ev->flags & FPM_EV_EDGE) {
flags = flags | EV_CLEAR;
}
EV_SET(&k, ev->fd, EVFILT_READ, flags, 0, 0, (void *)ev);
if (kevent(kfd, &k, 1, NULL, 0, NULL) < 0) {
zlog(ZLOG_ERROR, "kevent: unable to add event");
return -1;
}
/* mark the vent as not registered */
ev->index = -1;
return 0;
}
/* Copy prefix from src to dest. */
void prefix_copy(struct prefix *dest, const struct prefix *src)
{
dest->family = src->family;
dest->prefixlen = src->prefixlen;
if (src->family == AF_INET)
dest->u.prefix4 = src->u.prefix4;
#ifdef HAVE_IPV6
else if (src->family == AF_INET6)
dest->u.prefix6 = src->u.prefix6;
#endif /* HAVE_IPV6 */
else if (src->family == AF_UNSPEC) {
dest->u.lp.id = src->u.lp.id;
dest->u.lp.adv_router = src->u.lp.adv_router;
} else {
zlog(NULL, LOG_ERR, "prefix_copy(): Unknown address family %d",
src->family);
assert(0);
}
}
static int fpm_sockets_resolve_af_inet(char *node, char *service, struct sockaddr_in *addr) /* {{{ */
{
struct addrinfo *res;
struct addrinfo hints;
int ret;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
ret = getaddrinfo(node, service, &hints, &res);
if (ret != 0) {
zlog(ZLOG_ERROR, "can't resolve hostname '%s%s%s': getaddrinfo said: %s%s%s\n",
node, service ? ":" : "", service ? service : "",
gai_strerror(ret), ret == EAI_SYSTEM ? ", system error: " : "", ret == EAI_SYSTEM ? strerror(errno) : "");
return -1;
}
*addr = *(struct sockaddr_in *) res->ai_addr;
freeaddrinfo(res);
return 0;
}
static int
ospf_db_desc_timer (struct thread *thread)
{
struct ospf_neighbor *nbr;
nbr = THREAD_ARG (thread);
nbr->t_db_desc = NULL;
if (IS_DEBUG_OSPF (nsm, NSM_TIMERS))
zlog (NULL, LOG_DEBUG, "NSM[%s:%s]: Timer (DD Retransmit timer expire)",
IF_NAME (nbr->oi), inet_ntoa (nbr->src));
/* resent last send DD packet. */
assert (nbr->last_send);
ospf_db_desc_resend (nbr);
/* DD Retransmit timer set. */
OSPF_NSM_TIMER_ON (nbr->t_db_desc, ospf_db_desc_timer, nbr->v_db_desc);
return 0;
}
int fpm_stdio_init_child(struct fpm_worker_pool_s *wp) /* {{{ */
{
#ifdef HAVE_SYSLOG_H
if (fpm_globals.error_log_fd == ZLOG_SYSLOG) {
closelog(); /* ensure to close syslog not to interrupt with PHP syslog code */
} else
#endif
if (fpm_globals.error_log_fd > 0) {
close(fpm_globals.error_log_fd);
}
fpm_globals.error_log_fd = -1;
zlog_set_fd(-1);
if (wp->listening_socket != STDIN_FILENO) {
if (0 > dup2(wp->listening_socket, STDIN_FILENO)) {
zlog(ZLOG_SYSERROR, "failed to init child stdio: dup2()");
return -1;
}
}
return 0;
}
/*
* Add a FD to the fd set
*/
static int fpm_event_poll_add(struct fpm_event_s *ev) /* {{{ */
{
int i;
/* do we have a direct free slot */
if (pollfds[next_free_slot].fd == -1) {
/* register the event */
pollfds[next_free_slot].fd = ev->fd;
pollfds[next_free_slot].events = POLLIN;
/* remember the event place in the fd list and suppose next slot is free */
ev->index = next_free_slot++;
if (next_free_slot >= npollfds) {
next_free_slot = 0;
}
return 0;
}
/* let's search */
for (i = 0; i < npollfds; i++) {
if (pollfds[i].fd != -1) {
/* not free */
continue;
}
/* register the event */
pollfds[i].fd = ev->fd;
pollfds[i].events = POLLIN;
/* remember the event place in the fd list and suppose next slot is free */
ev->index = next_free_slot++;
if (next_free_slot >= npollfds) {
next_free_slot = 0;
}
return 0;
}
zlog(ZLOG_ERROR, "poll: not enought space to add event (fd=%d)", ev->fd);
return -1;
}
/* sendmsg() to netlink socket then recvmsg(). */
static int
netlink_talk (struct nlmsghdr *n, struct nlsock *nl)
{
int status;
struct sockaddr_nl snl;
struct iovec iov = { (void *) n, n->nlmsg_len };
struct msghdr msg = { (void *) &snl, sizeof snl, &iov, 1, NULL, 0, 0 };
int save_errno;
memset (&snl, 0, sizeof snl);
snl.nl_family = AF_NETLINK;
n->nlmsg_seq = ++nl->seq;
/* Request an acknowledgement by setting NLM_F_ACK */
n->nlmsg_flags |= NLM_F_ACK;
if (IS_DEBUG_HA(kroute, KROUTE))
zlog_debug ("netlink_talk: %s type %s(%u), seq=%u", nl->name,
lookup (nlmsg_str, n->nlmsg_type), n->nlmsg_type,
n->nlmsg_seq);
/* Send message to netlink interface. */
status = sendmsg (nl->sock, &msg, 0);
save_errno = errno;
if (status < 0)
{
zlog (NULL, LOG_ERR, "netlink_talk sendmsg() error: %s",
safe_strerror (save_errno));
return -1;
}
/*
* Get reply from netlink socket.
* The reply should either be an acknowlegement or an error.
*/
return netlink_parse_info (netlink_talk_filter, nl);
}
int fpm_init(int argc, char **argv, char *config, char *prefix, char *pid, int test_conf) /* {{{ */
{
fpm_globals.argc = argc;
fpm_globals.argv = argv;
if (config && *config) {
fpm_globals.config = strdup(config);
}
fpm_globals.prefix = prefix;
fpm_globals.pid = pid;
if (0 > fpm_php_init_main() ||
0 > fpm_stdio_init_main() ||
0 > fpm_log_init_main() ||
0 > fpm_conf_init_main(test_conf) ||
0 > fpm_unix_init_main() ||
0 > fpm_scoreboard_init_main() ||
0 > fpm_pctl_init_main() ||
0 > fpm_env_init_main() ||
0 > fpm_signals_init_main() ||
0 > fpm_children_init_main() ||
0 > fpm_sockets_init_main() ||
0 > fpm_worker_pool_init_main() ||
0 > fpm_event_init_main()) {
if (fpm_globals.test_successful) {
exit(0);
} else {
return -1;
}
}
if (0 > fpm_conf_write_pid()) {
return -1;
}
fpm_stdio_init_final();
zlog(ZLOG_NOTICE, "fpm is running, pid %d", (int) fpm_globals.parent_pid);
return 0;
}
static int
bgp_routeadv_timer (struct thread *thread)
{
struct peer *peer;
peer = THREAD_ARG (thread);
peer->t_routeadv = NULL;
if (BGP_DEBUG (fsm, FSM))
zlog (peer->log, LOG_DEBUG,
"%s [FSM] Timer (routeadv timer expire)",
peer->host);
peer->synctime = bgp_clock ();
BGP_WRITE_ON (peer->t_write, bgp_write, peer->fd);
BGP_TIMER_ON (peer->t_routeadv, bgp_routeadv_timer,
peer->v_routeadv);
return 0;
}
/* BGP socket bind. */
int
bgp_bind (struct peer *peer)
{
#ifdef SO_BINDTODEVICE
int ret;
struct ifreq ifreq;
if (! peer->ifname)
return 0;
strncpy ((char *)&ifreq.ifr_name, peer->ifname, sizeof (ifreq.ifr_name));
ret = setsockopt (peer->fd, SOL_SOCKET, SO_BINDTODEVICE,
&ifreq, sizeof (ifreq));
if (ret < 0)
{
zlog (peer->log, LOG_INFO, "bind to interface %s failed", peer->ifname);
return ret;
}
#endif /* SO_BINDTODEVICE */
return 0;
}
int fpm_socket_get_listening_queue(int sock, unsigned *cur_lq, unsigned *max_lq)
{
struct tcp_info info;
socklen_t len = sizeof(info);
if (0 > getsockopt(sock, IPPROTO_TCP, TCP_INFO, &info, &len)) {
zlog(ZLOG_SYSERROR, "failed to retrieve TCP_INFO for socket");
return -1;
}
#if defined(__FreeBSD__)
if (info.__tcpi_sacked == 0) {
return -1;
}
if (cur_lq) {
*cur_lq = info.__tcpi_unacked;
}
if (max_lq) {
*max_lq = info.__tcpi_sacked;
}
#else
/* kernel >= 2.6.24 return non-zero here, that means operation is supported */
if (info.tcpi_sacked == 0) {
return -1;
}
if (cur_lq) {
*cur_lq = info.tcpi_unacked;
}
if (max_lq) {
*max_lq = info.tcpi_sacked;
}
#endif
return 0;
}
/*
* wait for events or timeout
*/
static int fpm_event_port_wait(struct fpm_event_queue_s *queue, unsigned long int timeout) /* {{{ */
{
int ret, i, nget;
timespec_t t;
/* convert timeout into timespec_t */
t.tv_sec = (int)(timeout / 1000);
t.tv_nsec = (timeout % 1000) * 1000 * 1000;
/* wait for inconming event or timeout. We want at least one event or timeout */
nget = 1;
ret = port_getn(pfd, events, nevents, &nget, &t);
if (ret < 0) {
/* trigger error unless signal interrupt or timeout */
if (errno != EINTR && errno != ETIME) {
zlog(ZLOG_WARNING, "poll() returns %d", errno);
return -1;
}
}
for (i = 0; i < nget; i++) {
/* do we have a ptr to the event ? */
if (!events[i].portev_user) {
continue;
}
/* fire the event */
fpm_event_fire((struct fpm_event_s *)events[i].portev_user);
/* sanity check */
if (fpm_globals.parent_pid != getpid()) {
return -2;
}
}
return nget;
}