/*ARGSUSED*/
static void
XdmcpWakeupHandler(
pointer data, /* unused */
int i,
pointer pReadmask)
{
fd_set* LastSelectMask = (fd_set*)pReadmask;
fd_set devicesReadable;
if (state == XDM_OFF)
return;
if (i > 0)
{
if (FD_ISSET(xdmcpSocket, LastSelectMask))
{
receive_packet(xdmcpSocket);
FD_CLR(xdmcpSocket, LastSelectMask);
}
#if defined(IPv6) && defined(AF_INET6)
if (xdmcpSocket6 >= 0 && FD_ISSET(xdmcpSocket6, LastSelectMask))
{
receive_packet(xdmcpSocket6);
FD_CLR(xdmcpSocket6, LastSelectMask);
}
#endif
XFD_ANDSET(&devicesReadable, LastSelectMask, &EnabledDevices);
if (XFD_ANYSET(&devicesReadable))
{
if (state == XDM_AWAIT_USER_INPUT)
restart();
else if (state == XDM_RUN_SESSION)
keepaliveDormancy = defaultKeepaliveDormancy;
}
if (XFD_ANYSET(&AllClients) && state == XDM_RUN_SESSION)
timeOutTime = GetTimeInMillis() + keepaliveDormancy * 1000;
}
else if (timeOutTime && (int) (GetTimeInMillis() - timeOutTime) >= 0)
{
if (state == XDM_RUN_SESSION)
{
state = XDM_KEEPALIVE;
send_packet();
}
else
timeout();
}
}
/* ARGSUSED */
void
xf86Wakeup(pointer blockData, int err, pointer pReadmask)
{
fd_set *LastSelectMask = (fd_set *) pReadmask;
fd_set devicesWithInput;
InputInfoPtr pInfo;
if (err >= 0) {
XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
if (XFD_ANYSET(&devicesWithInput)) {
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->read_input && pInfo->fd >= 0 &&
(FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
OsBlockSIGIO();
/*
* Remove the descriptior from the set because more than one
* device may share the same file descriptor.
*/
FD_CLR(pInfo->fd, &devicesWithInput);
pInfo->read_input(pInfo);
OsReleaseSIGIO();
}
pInfo = pInfo->next;
}
}
}
if (err >= 0) { /* we don't want the handlers called if select() */
IHPtr ih; /* returned with an error condition, do we? */
for (ih = InputHandlers; ih; ih = ih->next) {
if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
(FD_ISSET(ih->fd, ((fd_set *) pReadmask)) != 0)) {
ih->ihproc(ih->fd, ih->data);
}
}
}
if (xf86VTSwitchPending())
xf86VTSwitch();
}
int
WaitForSomething(int *pClientsReady)
{
struct timeval *wt,
waittime;
fd_set clientsReadable;
fd_set clientsWriteable;
long curclient;
int selecterr;
long current_time = 0;
long timeout;
int nready,
i;
while (1) {
/* handle the work Q */
if (workQueue)
ProcessWorkQueue();
if (XFD_ANYSET(&ClientsWithInput)) {
XFD_COPYSET(&ClientsWithInput, &clientsReadable);
break;
}
/*
* deal with KeepAlive timeouts. if this seems to costly, SIGALRM
* could be used, but its more dangerous since some it could catch us
* at an inopportune moment (like inside un-reentrant malloc()).
*/
current_time = GetTimeInMillis();
timeout = current_time - LastReapTime;
if (timeout > ReapClientTime) {
ReapAnyOldClients();
LastReapTime = current_time;
timeout = ReapClientTime;
}
timeout = ReapClientTime - timeout;
waittime.tv_sec = timeout / MILLI_PER_SECOND;
waittime.tv_usec = (timeout % MILLI_PER_SECOND) *
(1000000 / MILLI_PER_SECOND);
wt = &waittime;
XFD_COPYSET(&AllSockets, &LastSelectMask);
BlockHandler(&wt, (pointer) &LastSelectMask);
if (NewOutputPending)
FlushAllOutput();
if (AnyClientsWriteBlocked) {
XFD_COPYSET(&ClientsWriteBlocked, &clientsWriteable);
i = Select(MAXSOCKS, &LastSelectMask, &clientsWriteable, NULL, wt);
} else {
i = Select(MAXSOCKS, &LastSelectMask, NULL, NULL, wt);
}
selecterr = errno;
WakeupHandler(i, (unsigned long *) &LastSelectMask);
if (i <= 0) { /* error or timeout */
FD_ZERO(&clientsWriteable);
if (i < 0) {
if (selecterr == EBADF) { /* somebody disconnected */
CheckConnections();
} else if (selecterr != EINTR) {
ErrorF("WaitForSomething: select(): errno %d\n", selecterr);
} else {
/*
* must have been broken by a signal. go deal with any
* exception flags
*/
return 0;
}
} else { /* must have timed out */
ReapAnyOldClients();
LastReapTime = GetTimeInMillis();
}
} else {
if (AnyClientsWriteBlocked && XFD_ANYSET(&clientsWriteable)) {
NewOutputPending = TRUE;
XFD_ORSET(&OutputPending, &clientsWriteable, &OutputPending);
XFD_UNSET(&ClientsWriteBlocked, &clientsWriteable);
if (!XFD_ANYSET(&ClientsWriteBlocked))
AnyClientsWriteBlocked = FALSE;
}
XFD_ANDSET(&clientsReadable, &LastSelectMask, &AllClients);
if (LastSelectMask.fds_bits[0] & WellKnownConnections.fds_bits[0])
MakeNewConnections();
if (XFD_ANYSET(&clientsReadable))
break;
}
}
nready = 0;
if (XFD_ANYSET(&clientsReadable)) {
ClientPtr client;
int conn;
if (current_time) /* may not have been set */
current_time = GetTimeInMillis();
for (i = 0; i < howmany(XFD_SETSIZE, NFDBITS); i++) {
while (clientsReadable.fds_bits[i]) {
curclient = xfd_ffs(clientsReadable.fds_bits[i]) - 1;
conn = ConnectionTranslation[curclient + (i * (sizeof(fd_mask) * 8))];
clientsReadable.fds_bits[i] &= ~(((fd_mask)1L) << curclient);
client = clients[conn];
if (!client)
continue;
pClientsReady[nready++] = conn;
client->last_request_time = current_time;
client->clientGone = CLIENT_ALIVE;
if (nready >= MaxClients) {
/* pClientsReady buffer has no more room, get the
rest on the next time through select() loop */
return nready;
}
}
}
}
return nready;
}
/*ARGSUSED*/
Bool
EstablishNewConnections(ClientPtr clientUnused, pointer closure)
{
fd_set readyconnections; /* set of listeners that are ready */
int curconn; /* fd of listener that's ready */
register int newconn; /* fd of new client */
CARD32 connect_time;
register int i;
register ClientPtr client;
register OsCommPtr oc;
fd_set tmask;
XFD_ANDSET (&tmask, (fd_set*)closure, &WellKnownConnections);
XFD_COPYSET(&tmask, &readyconnections);
if (!XFD_ANYSET(&readyconnections))
return TRUE;
connect_time = GetTimeInMillis();
/* kill off stragglers */
for (i=1; i<currentMaxClients; i++)
{
if ((client = clients[i]))
{
oc = (OsCommPtr)(client->osPrivate);
if ((oc && (oc->conn_time != 0) &&
(connect_time - oc->conn_time) >= TimeOutValue) ||
(client->noClientException != Success && !client->clientGone))
CloseDownClient(client);
}
}
#ifndef WIN32
for (i = 0; i < howmany(XFD_SETSIZE, NFDBITS); i++)
{
while (readyconnections.fds_bits[i])
#else
for (i = 0; i < XFD_SETCOUNT(&readyconnections); i++)
#endif
{
XtransConnInfo trans_conn, new_trans_conn;
int status;
#ifndef WIN32
curconn = mffs (readyconnections.fds_bits[i]) - 1;
readyconnections.fds_bits[i] &= ~((fd_mask)1 << curconn);
curconn += (i * (sizeof(fd_mask)*8));
#else
curconn = XFD_FD(&readyconnections, i);
#endif
if ((trans_conn = lookup_trans_conn (curconn)) == NULL)
continue;
if ((new_trans_conn = _XSERVTransAccept (trans_conn, &status)) == NULL)
continue;
newconn = _XSERVTransGetConnectionNumber (new_trans_conn);
if (newconn < lastfdesc)
{
int clientid;
#if !defined(WIN32)
clientid = ConnectionTranslation[newconn];
#else
clientid = GetConnectionTranslation(newconn);
#endif
if(clientid && (client = clients[clientid]))
CloseDownClient(client);
}
_XSERVTransSetOption(new_trans_conn, TRANS_NONBLOCKING, 1);
if (!AllocNewConnection (new_trans_conn, newconn, connect_time))
{
ErrorConnMax(new_trans_conn);
_XSERVTransClose(new_trans_conn);
}
if(trans_conn->flags & TRANS_NOXAUTH)
new_trans_conn->flags = new_trans_conn->flags | TRANS_NOXAUTH;
}
#ifndef WIN32
}
#endif
return TRUE;
}
void
CreateWellKnownSockets(void)
{
int i;
int partial;
char port[20];
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
#if !defined(WIN32)
for (i=0; i<MaxClients; i++) ConnectionTranslation[i] = 0;
#else
ClearConnectionTranslation();
#endif
FD_ZERO (&WellKnownConnections);
sprintf (port, "%d", atoi (display));
if ((_XSERVTransMakeAllCOTSServerListeners (port, &partial,
&ListenTransCount, &ListenTransConns) >= 0) &&
(ListenTransCount >= 1))
{
if (!PartialNetwork && partial)
{
FatalError ("Failed to establish all listening sockets");
}
else
{
ListenTransFds = xalloc (ListenTransCount * sizeof (int));
for (i = 0; i < ListenTransCount; i++)
{
int fd = _XSERVTransGetConnectionNumber (ListenTransConns[i]);
ListenTransFds[i] = fd;
FD_SET (fd, &WellKnownConnections);
if (!_XSERVTransIsLocal (ListenTransConns[i]))
{
DefineSelf (fd);
}
}
}
}
if (!XFD_ANYSET (&WellKnownConnections))
FatalError ("Cannot establish any listening sockets - Make sure an X server isn't already running");
#if !defined(WIN32)
OsSignal (SIGPIPE, SIG_IGN);
OsSignal (SIGHUP, AutoResetServer);
#endif
OsSignal (SIGINT, GiveUp);
OsSignal (SIGTERM, GiveUp);
XFD_COPYSET (&WellKnownConnections, &AllSockets);
ResetHosts(display);
InitParentProcess();
#ifdef XDMCP
XdmcpInit ();
#endif
}
void
CreateWellKnownSockets(void)
{
int i;
int partial;
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
#if !defined(WIN32)
for (i = 0; i < MaxClients; i++)
ConnectionTranslation[i] = 0;
#else
ClearConnectionTranslation();
#endif
FD_ZERO(&WellKnownConnections);
/* display is initialized to "0" by main(). It is then set to the display
* number if specified on the command line. */
if (NoListenAll) {
ListenTransCount = 0;
}
else if ((displayfd < 0) || explicit_display) {
if (TryCreateSocket(atoi(display), &partial) &&
ListenTransCount >= 1)
if (!PartialNetwork && partial)
FatalError ("Failed to establish all listening sockets");
}
else { /* -displayfd and no explicit display number */
Bool found = 0;
for (i = 0; i < 65536 - X_TCP_PORT; i++) {
if (TryCreateSocket(i, &partial) && ListenTransCount >= 1 && (PartialNetwork || !partial)) {
found = 1;
break;
}
else
CloseWellKnownConnections();
}
if (!found)
FatalError("Failed to find a socket to listen on");
dynamic_display_id=i;
snprintf(dynamic_display, sizeof(dynamic_display), "%d", i);
display = dynamic_display;
}
ListenTransFds = xallocarray(ListenTransCount, sizeof (int));
if (ListenTransFds == NULL)
FatalError ("Failed to create listening socket array");
for (i = ListenTransCount; i > 0; i--) {
int fd = _XSERVTransGetConnectionNumber (ListenTransConns[i-1]);
ListenTransFds[i-1] = fd;
FD_SET(fd, &WellKnownConnections);
if (!_XSERVTransIsLocal (ListenTransConns[i-1])) {
int protocol = 0;
if (!strcmp("inet", ListenTransConns[i-1]->transptr->TransName)) protocol = 4;
else if (!strcmp("inet6", ListenTransConns[i-1]->transptr->TransName)) protocol = 6;
DefineSelf (fd, protocol);
}
}
if (!XFD_ANYSET(&WellKnownConnections) && !NoListenAll)
FatalError
("Cannot establish any listening sockets - Make sure an X server isn't already running");
#if !defined(WIN32)
OsSignal(SIGPIPE, SIG_IGN);
OsSignal(SIGHUP, AutoResetServer);
#endif
OsSignal(SIGINT, GiveUp);
OsSignal(SIGTERM, GiveUp);
XFD_COPYSET(&WellKnownConnections, &AllSockets);
ResetHosts(display);
InitParentProcess();
#ifdef XDMCP
XdmcpInit();
#endif
}
/*
* creates the sockets for listening to clients
*
* only called when server first started
*/
void
CreateSockets(int old_listen_count, OldListenRec *old_listen)
{
int i;
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
FD_ZERO(&WellKnownConnections);
for (i = 0; i < MAXSOCKS; i++)
ConnectionTranslation[i] = 0;
#ifdef XNO_SYSCONF /* should only be on FreeBSD 1.x and NetBSD 0.x */
#undef _SC_OPEN_MAX
#endif
#ifdef _SC_OPEN_MAX
lastfdesc = sysconf(_SC_OPEN_MAX) - 1;
#else
#if defined(hpux) || defined(__UNIXOS2__)
lastfdesc = _NFILE - 1;
#else
lastfdesc = getdtablesize() - 1;
#endif /* hpux */
#endif
if (lastfdesc > MAXSOCKS) {
lastfdesc = MAXSOCKS;
}
if (old_listen_count > 0) {
/*
* The font server cloned itself. Re-use previously opened
* transports for listening.
*/
ListenTransConns = (XtransConnInfo *) malloc (
old_listen_count * sizeof (XtransConnInfo));
ListenTransFds = (int *) malloc (old_listen_count * sizeof (int));
ListenTransCount = 0;
for (i = 0; i < old_listen_count; i++)
{
char portnum[10];
if (old_listen[i].portnum != ListenPort)
continue; /* this should never happen */
else
sprintf (portnum, "%d", old_listen[i].portnum);
if ((ListenTransConns[ListenTransCount] =
_FontTransReopenCOTSServer (old_listen[i].trans_id,
old_listen[i].fd, portnum)) != NULL)
{
ListenTransFds[ListenTransCount] = old_listen[i].fd;
FD_SET (old_listen[i].fd, &WellKnownConnections);
NoticeF("reusing existing file descriptor %d\n",
old_listen[i].fd);
ListenTransCount++;
}
}
} else {
char port[20];
int partial;
sprintf (port, "%d", ListenPort);
if ((_FontTransMakeAllCOTSServerListeners (port, &partial,
&ListenTransCount, &ListenTransConns) >= 0) &&
(ListenTransCount >= 1))
{
ListenTransFds = (int *) malloc (ListenTransCount * sizeof (int));
for (i = 0; i < ListenTransCount; i++)
{
int fd = _FontTransGetConnectionNumber (ListenTransConns[i]);
ListenTransFds[i] = fd;
FD_SET (fd, &WellKnownConnections);
}
}
}
if (! XFD_ANYSET(&WellKnownConnections))
FatalError("cannot establish any listening sockets\n");
/* set up all the signal handlers */
signal(SIGPIPE, SIG_IGN);
signal(SIGHUP, AutoResetServer);
signal(SIGINT, GiveUp);
signal(SIGTERM, GiveUp);
signal(SIGUSR1, ServerReconfig);
signal(SIGUSR2, ServerCacheFlush);
signal(SIGCHLD, CleanupChild);
XFD_COPYSET (&WellKnownConnections, &AllSockets);
}
int
WriteToClient(ClientPtr who, int count, const void *__buf)
{
OsCommPtr oc;
ConnectionOutputPtr oco;
int padBytes;
const char *buf = __buf;
#ifdef DEBUG_COMMUNICATION
Bool multicount = FALSE;
#endif
if (!count || !who || who == serverClient || who->clientGone)
return 0;
oc = who->osPrivate;
oco = oc->output;
#ifdef DEBUG_COMMUNICATION
{
char info[128];
xError *err;
xGenericReply *rep;
xEvent *ev;
if (!who->replyBytesRemaining) {
switch (buf[0]) {
case X_Reply:
rep = (xGenericReply *) buf;
if (rep->sequenceNumber == who->sequence) {
snprintf(info, 127, "Xreply: type: 0x%x data: 0x%x "
"len: %i seq#: 0x%x", rep->type, rep->data1,
rep->length, rep->sequenceNumber);
multicount = TRUE;
}
break;
case X_Error:
err = (xError *) buf;
snprintf(info, 127, "Xerror: Code: 0x%x resID: 0x%x maj: 0x%x "
"min: %x", err->errorCode, err->resourceID,
err->minorCode, err->majorCode);
break;
default:
if ((buf[0] & 0x7f) == KeymapNotify)
snprintf(info, 127, "KeymapNotifyEvent: %i", buf[0]);
else {
ev = (xEvent *) buf;
snprintf(info, 127, "XEvent: type: 0x%x detail: 0x%x "
"seq#: 0x%x", ev->u.u.type, ev->u.u.detail,
ev->u.u.sequenceNumber);
}
}
ErrorF("REPLY: ClientIDX: %i %s\n", who->index, info);
}
else
multicount = TRUE;
}
#endif
if (!oco) {
if ((oco = FreeOutputs)) {
FreeOutputs = oco->next;
}
else if (!(oco = AllocateOutputBuffer())) {
if (oc->trans_conn) {
_XSERVTransDisconnect(oc->trans_conn);
_XSERVTransClose(oc->trans_conn);
oc->trans_conn = NULL;
}
MarkClientException(who);
return -1;
}
oc->output = oco;
}
padBytes = padding_for_int32(count);
if (ReplyCallback) {
ReplyInfoRec replyinfo;
replyinfo.client = who;
replyinfo.replyData = buf;
replyinfo.dataLenBytes = count + padBytes;
replyinfo.padBytes = padBytes;
if (who->replyBytesRemaining) { /* still sending data of an earlier reply */
who->replyBytesRemaining -= count + padBytes;
replyinfo.startOfReply = FALSE;
replyinfo.bytesRemaining = who->replyBytesRemaining;
CallCallbacks((&ReplyCallback), (void *) &replyinfo);
}
else if (who->clientState == ClientStateRunning && buf[0] == X_Reply) { /* start of new reply */
CARD32 replylen;
unsigned long bytesleft;
replylen = ((const xGenericReply *) buf)->length;
if (who->swapped)
swapl(&replylen);
bytesleft = (replylen * 4) + SIZEOF(xReply) - count - padBytes;
replyinfo.startOfReply = TRUE;
replyinfo.bytesRemaining = who->replyBytesRemaining = bytesleft;
CallCallbacks((&ReplyCallback), (void *) &replyinfo);
}
}
#ifdef DEBUG_COMMUNICATION
else if (multicount) {
if (who->replyBytesRemaining) {
who->replyBytesRemaining -= (count + padBytes);
}
else {
CARD32 replylen;
replylen = ((xGenericReply *) buf)->length;
who->replyBytesRemaining =
(replylen * 4) + SIZEOF(xReply) - count - padBytes;
}
}
#endif
if (oco->count == 0 || oco->count + count + padBytes > oco->size) {
FD_CLR(oc->fd, &OutputPending);
if (!XFD_ANYSET(&OutputPending)) {
CriticalOutputPending = FALSE;
NewOutputPending = FALSE;
}
if (FlushCallback)
CallCallbacks(&FlushCallback, NULL);
return FlushClient(who, oc, buf, count);
}
NewOutputPending = TRUE;
FD_SET(oc->fd, &OutputPending);
memmove((char *) oco->buf + oco->count, buf, count);
oco->count += count;
if (padBytes) {
memset(oco->buf + oco->count, '\0', padBytes);
oco->count += padBytes;
}
return count;
}
void
CreateWellKnownSockets(void)
{
int i;
int partial;
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
#if !defined(WIN32)
for (i = 0; i < MaxClients; i++)
ConnectionTranslation[i] = 0;
#else
ClearConnectionTranslation();
#endif
FD_ZERO(&WellKnownConnections);
/* display is initialized to "0" by main(). It is then set to the display
* number if specified on the command line, or to NULL when the -displayfd
* option is used. */
if (display) {
if (TryCreateSocket(atoi(display), &partial) &&
ListenTransCount >= 1)
if (!PartialNetwork && partial)
FatalError ("Failed to establish all listening sockets");
}
else { /* -displayfd */
Bool found = 0;
for (i = 0; i < 65535 - X_TCP_PORT; i++) {
if (TryCreateSocket(i, &partial) && !partial) {
found = 1;
break;
}
else
CloseWellKnownConnections();
}
if (!found)
FatalError("Failed to find a socket to listen on");
snprintf(dynamic_display, sizeof(dynamic_display), "%d", i);
display = dynamic_display;
}
ListenTransFds = malloc(ListenTransCount * sizeof (int));
for (i = 0; i < ListenTransCount; i++) {
int fd = _XSERVTransGetConnectionNumber(ListenTransConns[i]);
ListenTransFds[i] = fd;
FD_SET(fd, &WellKnownConnections);
if (!_XSERVTransIsLocal(ListenTransConns[i]))
DefineSelf (fd);
}
if (!XFD_ANYSET(&WellKnownConnections))
FatalError
("Cannot establish any listening sockets - Make sure an X server isn't already running");
#if !defined(WIN32)
OsSignal(SIGPIPE, SIG_IGN);
OsSignal(SIGHUP, AutoResetServer);
#endif
OsSignal(SIGINT, GiveUp);
OsSignal(SIGTERM, GiveUp);
XFD_COPYSET(&WellKnownConnections, &AllSockets);
ResetHosts(display);
InitParentProcess();
#ifdef XDMCP
XdmcpInit();
#endif
}
/*
* creates the sockets for listening to clients
*
* only called when server first started
*/
void
CreateSockets(int old_listen_count, OldListenRec *old_listen)
{
int i;
struct sigaction act;
FD_ZERO(&AllSockets);
FD_ZERO(&AllClients);
FD_ZERO(&LastSelectMask);
FD_ZERO(&ClientsWithInput);
FD_ZERO(&WellKnownConnections);
for (i = 0; i < MAXSOCKS; i++)
ConnectionTranslation[i] = 0;
lastfdesc = sysconf(_SC_OPEN_MAX) - 1;
if ((lastfdesc < 0) || (lastfdesc > MAXSOCKS)) {
lastfdesc = MAXSOCKS;
}
if (old_listen_count > 0) {
/*
* The font server cloned itself. Re-use previously opened
* transports for listening.
*/
ListenTransConns = (XtransConnInfo *) malloc (
old_listen_count * sizeof (XtransConnInfo));
ListenTransFds = (int *) malloc (old_listen_count * sizeof (int));
ListenTransCount = 0;
for (i = 0; i < old_listen_count; i++)
{
char portnum[10];
if (old_listen[i].portnum != ListenPort)
continue; /* this should never happen */
else
sprintf (portnum, "%d", old_listen[i].portnum);
if ((ListenTransConns[ListenTransCount] =
_FontTransReopenCOTSServer (old_listen[i].trans_id,
old_listen[i].fd, portnum)) != NULL)
{
ListenTransFds[ListenTransCount] = old_listen[i].fd;
FD_SET (old_listen[i].fd, &WellKnownConnections);
NoticeF("reusing existing file descriptor %d\n",
old_listen[i].fd);
ListenTransCount++;
}
}
} else {
char port[20];
int partial;
sprintf (port, "%d", ListenPort);
if ((_FontTransMakeAllCOTSServerListeners (port, &partial,
&ListenTransCount, &ListenTransConns) >= 0) &&
(ListenTransCount >= 1))
{
ListenTransFds = (int *) malloc (ListenTransCount * sizeof (int));
for (i = 0; i < ListenTransCount; i++)
{
int fd = _FontTransGetConnectionNumber (ListenTransConns[i]);
ListenTransFds[i] = fd;
FD_SET (fd, &WellKnownConnections);
}
}
}
if (! XFD_ANYSET(&WellKnownConnections))
FatalError("cannot establish any listening sockets\n");
/* set up all the signal handlers */
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
#define HANDLE_SIGNAL(s, h) act.sa_handler = h; sigaction(s, &act, NULL)
HANDLE_SIGNAL(SIGPIPE, SIG_IGN);
HANDLE_SIGNAL(SIGHUP, AutoResetServer);
HANDLE_SIGNAL(SIGINT, GiveUp);
HANDLE_SIGNAL(SIGTERM, GiveUp);
HANDLE_SIGNAL(SIGUSR1, ServerReconfig);
HANDLE_SIGNAL(SIGUSR2, ServerCacheFlush);
HANDLE_SIGNAL(SIGCHLD, CleanupChild);
XFD_COPYSET (&WellKnownConnections, &AllSockets);
}
