jint
shmemBase_attach(const char *addressString, long timeout, SharedMemoryConnection **connectionPtr)
{
int error;
SharedMemoryTransport *transport;
jlong acceptingPID;
clearLastError();
error = openTransport(addressString, &transport);
if (error != SYS_OK) {
return error;
}
/* lock transport - no additional event to wait on as no connection yet */
error = sysIPMutexEnter(transport->mutex, NULL);
if (error != SYS_OK) {
setLastError(error);
closeTransport(transport);
return error;
}
if (transport->shared->isListening) {
error = doAttach(transport, timeout);
if (error == SYS_OK) {
acceptingPID = transport->shared->acceptingPID;
}
} else {
/* Not listening: error */
error = SYS_ERR;
}
sysIPMutexExit(transport->mutex);
if (error != SYS_OK) {
closeTransport(transport);
return error;
}
error = openConnection(transport, acceptingPID, connectionPtr);
closeTransport(transport);
return error;
}
static jint
leaveMutex(Stream *stream)
{
return sysIPMutexExit(stream->mutex);
}
