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use shutdown() in addition to close because of subtle difference

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between linux and Solaris when knock a thread out of recv()
This commit is contained in:
Jeff Hill
2000-06-27 23:02:02 +00:00
parent b2eab57ea7
commit 45c116e750
1 changed files with 20 additions and 8 deletions
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28
src/ca/udpiiu.cpp
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@@ -398,7 +398,7 @@ udpiiu::~udpiiu ()
this->shutdown ();
this->pcas->lock ();
tsDLIter<nciu> iter (this->chidList);
tsDLIter <nciu> iter (this->chidList);
pChan = iter ();
while (pChan) {
pNext = iter ();
@@ -428,8 +428,15 @@ void udpiiu::shutdown ()
this->shutdownCmd = true;
//
// use of shutdown () for this purpose on UDP
// sockets does not work on certain OS (i.e. solaris).
// sockets does not work on certain OS (i.e. solaris)
// because the thread in recv() does not drop out of recv().
// On other OS (i.e. linux) shutdown() is required?
//
status = ::shutdown ( this->sock, SD_BOTH );
if ( status ) {
errlogPrintf ( "CAC UDP socket shutdown error was %s\n",
SOCKERRSTR (SOCKERRNO) );
}
status = socket_close ( this->sock );
if ( status ) {
errlogPrintf ( "CAC UDP socket close error was %s\n",
@@ -611,21 +618,21 @@ LOCAL void beacon_action ( udpiiu * piiu,
* 1) set this field to one of the ip addresses of the host _or_
* 2) set this field to htonl(INADDR_ANY)
* new servers:
* always set this field to htonl(INADDR_ANY)
* always set this field to htonl(INADDR_ANY)
*
* clients always assume that if this
* field is set to something that isnt htonl(INADDR_ANY)
* then it is the overriding IP address of the server.
*/
ina.sin_family = AF_INET;
if (pMsg->m_available != htonl(INADDR_ANY)) {
if ( pMsg->m_available != htonl (INADDR_ANY) ) {
ina.sin_addr.s_addr = pMsg->m_available;
}
else {
ina.sin_addr = pnet_addr->sin_addr;
}
if (pMsg->m_count != 0) {
ina.sin_port = htons (pMsg->m_count);
if ( pMsg->m_count != 0 ) {
ina.sin_port = htons ( pMsg->m_count );
}
else {
/*
@@ -784,11 +791,16 @@ int udpiiu::post_msg (const struct sockaddr_in *pnet_addr,
void udpiiu::hostName ( char *pBuf, unsigned bufLength ) const
{
if ( bufLength ) {
strncpy ( pBuf, "<disconnected>", bufLength );
strncpy ( pBuf, this->pHostName (), bufLength );
pBuf[bufLength - 1u] = '\0';
}
}
const char * udpiiu::pHostName () const
{
return "<disconnected>";
}
bool udpiiu::ca_v42_ok () const
{
return false;
@@ -837,7 +849,7 @@ void udpiiu::removeFromChanList ( nciu &chan )
this->pcas->lock ();
if ( chan.piiu->pcas->endOfBCastList == iter ) {
if ( iter.itemBefore () != tsDLIterBD<nciu>::eol () ) {
if ( iter.itemBefore ().valid () ) {
chan.piiu->pcas->endOfBCastList = iter.itemBefore ();
}
else {