/*
* Initialization for the stream opened by the other process
*/
static int
openStream(Stream *stream)
{
jint error;
error = sysIPMutexOpen(stream->shared->mutexName, &stream->mutex);
if (error != SYS_OK) {
fprintf(stderr,"Error accessing mutex, rc = %d\n", error);
return error;
}
error = sysEventOpen(stream->shared->hasDataEventName,
&stream->hasData);
if (error != SYS_OK) {
fprintf(stderr,"Error accessing mutex, rc = %d\n", error);
(void)closeStream(stream);
return error;
}
error = sysEventOpen(stream->shared->hasSpaceEventName,
&stream->hasSpace);
if (error != SYS_OK) {
fprintf(stderr,"Error accessing mutex, rc = %d\n", error);
(void)closeStream(stream);
return error;
}
stream->state = STATE_OPEN;
return SYS_OK;
}
/*
* Initialization for the stream opened by the other process
*/
static int
openStream(Stream *stream)
{
jint error;
CHECK_ERROR(sysIPMutexOpen(stream->shared->mutexName, &stream->mutex));
error = sysEventOpen(stream->shared->hasDataEventName,
&stream->hasData);
if (error != SYS_OK) {
setLastError(error);
(void)closeStream(stream, JNI_FALSE);
return error;
}
error = sysEventOpen(stream->shared->hasSpaceEventName,
&stream->hasSpace);
if (error != SYS_OK) {
setLastError(error);
(void)closeStream(stream, JNI_FALSE);
return error;
}
stream->state = STATE_OPEN;
return SYS_OK;
}
static int
openTransport(const char *address, SharedMemoryTransport **transportPtr)
{
jint error;
SharedMemoryTransport *transport;
transport = allocTransport();
if (transport == NULL) {
return SYS_NOMEM;
}
memset(transport, 0, sizeof(*transport));
if (strlen(address) >= MAX_IPC_PREFIX) {
char buf[128];
sprintf(buf, "Error: address strings longer than %d characters are invalid\n", MAX_IPC_PREFIX);
setLastErrorMsg(buf);
closeTransport(transport);
return SYS_ERR;
}
error = sysSharedMemOpen(address, &transport->sharedMemory, &transport->shared);
if (error != SYS_OK) {
setLastError(error);
closeTransport(transport);
return error;
}
strcpy(transport->name, address);
error = sysIPMutexOpen(transport->shared->mutexName, &transport->mutex);
if (error != SYS_OK) {
setLastError(error);
closeTransport(transport);
return error;
}
error = sysEventOpen(transport->shared->acceptEventName,
&transport->acceptEvent);
if (error != SYS_OK) {
setLastError(error);
closeTransport(transport);
return error;
}
error = sysEventOpen(transport->shared->attachEventName,
&transport->attachEvent);
if (error != SYS_OK) {
setLastError(error);
closeTransport(transport);
return error;
}
*transportPtr = transport;
return SYS_OK;
}
