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This commit is contained in:
Jeff Hill
2002-10-23 23:37:30 +00:00
parent 340e0c1d58
commit e36083d5ef
22 changed files with 712 additions and 455 deletions
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118
src/ca/access.cpp
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@@ -68,11 +68,9 @@ extern "C" void ca_init_client_context ( void * )
*/
int fetchClientContext ( ca_client_context **ppcac )
{
epicsThreadOnce ( &caClientContextIdOnce, ca_init_client_context, 0 );
if ( caClientContextId == 0 ) {
epicsThreadOnce ( &caClientContextIdOnce, ca_init_client_context, 0 );
if ( caClientContextId == 0 ) {
return ECA_ALLOCMEM;
}
return ECA_ALLOCMEM;
}
int status;
@@ -233,18 +231,20 @@ int epicsShareAPI ca_search_and_connect (
// extern "C"
int epicsShareAPI ca_create_channel (
const char *name_str, caCh * conn_func, void * puser,
const char * name_str, caCh * conn_func, void * puser,
capri priority, chid * chanptr )
{
ca_client_context *pcac;
int caStatus = fetchClientContext ( &pcac );
ca_client_context * pcac;
int caStatus = fetchClientContext ( & pcac );
if ( caStatus != ECA_NORMAL ) {
return caStatus;
}
try {
oldChannelNotify * pChanNotify = new oldChannelNotify (
* pcac, name_str, conn_func, puser, priority );
oldChannelNotify * pChanNotify =
new ( pcac->oldChannelNotifyFreeList )
oldChannelNotify ( *pcac, name_str,
conn_func, puser, priority );
// make sure that their chan pointer is set prior to
// calling connection call backs
*chanptr = pChanNotify;
@@ -272,9 +272,11 @@ int epicsShareAPI ca_create_channel (
// extern "C"
int epicsShareAPI ca_clear_channel ( chid pChan )
{
pChan->destroy ();
ca_client_context & cac = pChan->getClientCtx ();
cac.destroyChannel ( *pChan );
return ECA_NORMAL;
}
#include "autoPtrFreeList.h"
/*
* ca_array_get ()
@@ -283,24 +285,17 @@ int epicsShareAPI ca_clear_channel ( chid pChan )
int epicsShareAPI ca_array_get ( chtype type,
arrayElementCount count, chid pChan, void *pValue )
{
ca_client_context *pcac;
int caStatus = fetchClientContext ( &pcac );
if ( caStatus != ECA_NORMAL ) {
return caStatus;
}
if ( type < 0 ) {
return ECA_BADTYPE;
}
unsigned tmpType = static_cast < unsigned > ( type );
autoPtrDestroy < getCopy > pNotify
( new getCopy ( *pcac, *pChan, tmpType, count, pValue ) );
if ( ! pNotify.get() ) {
return ECA_ALLOCMEM;
}
int caStatus;
try {
if ( type < 0 ) {
return ECA_BADTYPE;
}
unsigned tmpType = static_cast < unsigned > ( type );
autoPtrFreeList < getCopy > pNotify
( pChan->getClientCtx().getCopyFreeList,
new ( pChan->getClientCtx().getCopyFreeList )
getCopy ( pChan->getClientCtx(), *pChan,
tmpType, count, pValue ) );
pChan->read ( type, count, *pNotify );
pNotify.release ();
caStatus = ECA_NORMAL;
@@ -355,19 +350,16 @@ int epicsShareAPI ca_array_get_callback ( chtype type,
arrayElementCount count, chid pChan,
caEventCallBackFunc *pfunc, void *arg )
{
if ( type < 0 ) {
return ECA_BADTYPE;
}
unsigned tmpType = static_cast < unsigned > ( type );
autoPtrDestroy < getCallback > pNotify
( new getCallback ( *pChan, pfunc, arg ) );
if ( ! pNotify.get() ) {
return ECA_ALLOCMEM;
}
int caStatus;
try {
if ( type < 0 ) {
return ECA_BADTYPE;
}
unsigned tmpType = static_cast < unsigned > ( type );
autoPtrDestroy < getCallback > pNotify
( new ( pChan->getClientCtx().getCallbackFreeList )
getCallback ( *pChan, pfunc, arg ) );
pChan->read ( tmpType, count, *pNotify );
pNotify.release ();
caStatus = ECA_NORMAL;
@@ -421,19 +413,16 @@ int epicsShareAPI ca_array_get_callback ( chtype type,
int epicsShareAPI ca_array_put_callback ( chtype type, arrayElementCount count,
chid pChan, const void *pValue, caEventCallBackFunc *pfunc, void *usrarg )
{
if ( type < 0 ) {
return ECA_BADTYPE;
}
unsigned tmpType = static_cast < unsigned > ( type );
autoPtrDestroy < putCallback > pNotify
( new putCallback ( *pChan, pfunc, usrarg ) );
if ( ! pNotify.get() ) {
return ECA_ALLOCMEM;
}
int caStatus;
try {
if ( type < 0 ) {
return ECA_BADTYPE;
}
unsigned tmpType = static_cast < unsigned > ( type );
autoPtrFreeList < putCallback > pNotify
( pChan->getClientCtx().putCallbackFreeList,
new ( pChan->getClientCtx().putCallbackFreeList )
putCallback ( *pChan, pfunc, usrarg ) );
pChan->write ( tmpType, count, pValue, *pNotify );
pNotify.release ();
caStatus = ECA_NORMAL;
@@ -601,21 +590,19 @@ int epicsShareAPI ca_add_masked_array_event (
}
try {
autoPtrDestroy < oldSubscription > pSubsr
( new oldSubscription ( *pChan, pCallBack, pCallBackArg ) );
if ( pSubsr.get () ) {
evid pTmp = pSubsr.release ();
if ( monixptr ) {
*monixptr = pTmp;
}
pTmp->begin ( tmpType, count, mask );
// dont touch pTmp after this because
// the first callback might have canceled it
return ECA_NORMAL;
}
else {
return ECA_ALLOCMEM;
autoPtrFreeList < oldSubscription > pSubsr
( pChan->getClientCtx().subscriptionFreeList,
new ( pChan->getClientCtx().subscriptionFreeList )
oldSubscription ( *pChan,
pCallBack, pCallBackArg ) );
evid pTmp = pSubsr.release ();
if ( monixptr ) {
*monixptr = pTmp;
}
pTmp->begin ( tmpType, count, mask );
// dont touch pTmp after this because
// the first callback might have canceled it
return ECA_NORMAL;
}
catch ( cacChannel::badType & )
{
@@ -656,7 +643,10 @@ int epicsShareAPI ca_add_masked_array_event (
// extern "C"
int epicsShareAPI ca_clear_event ( evid pMon )
{
pMon->destroy ();
oldChannelNotify & chan = pMon->channel ();
ca_client_context & cac = chan.getClientCtx ();
pMon->ioCancel ();
cac.destroySubscription ( *pMon );
return ECA_NORMAL;
}