int sceKernelReceiveMbxCB(SceUID id, u32 packetAddrPtr, u32 timeoutPtr)
{
u32 error;
Mbx *m = kernelObjects.Get<Mbx>(id, error);
if (!m)
{
ERROR_LOG(HLE, "sceKernelReceiveMbxCB(%i, %08x, %08x): invalid mbx id", id, packetAddrPtr, timeoutPtr);
return error;
}
if (m->nmb.numMessages > 0)
{
DEBUG_LOG(HLE, "sceKernelReceiveMbxCB(%i, %08x, %08x): sending first queue message", id, packetAddrPtr, timeoutPtr);
hleCheckCurrentCallbacks();
return m->ReceiveMessage(packetAddrPtr);
}
else
{
DEBUG_LOG(HLE, "sceKernelReceiveMbxCB(%i, %08x, %08x): no message in queue, waiting", id, packetAddrPtr, timeoutPtr);
__KernelMbxRemoveThread(m, __KernelGetCurThread());
m->AddWaitingThread(__KernelGetCurThread(), packetAddrPtr);
__KernelWaitMbx(m, timeoutPtr);
__KernelWaitCurThread(WAITTYPE_MBX, id, 0, timeoutPtr, true);
return 0;
}
}
int sceKernelReceiveMbx(SceUID id, u32 packetAddrPtr, u32 timeoutPtr)
{
u32 error;
Mbx *m = kernelObjects.Get<Mbx>(id, error);
if (!m)
{
ERROR_LOG(SCEKERNEL, "sceKernelReceiveMbx(%i, %08x, %08x): invalid mbx id", id, packetAddrPtr, timeoutPtr);
return error;
}
if (m->nmb.numMessages > 0)
{
DEBUG_LOG(SCEKERNEL, "sceKernelReceiveMbx(%i, %08x, %08x): sending first queue message", id, packetAddrPtr, timeoutPtr);
return m->ReceiveMessage(packetAddrPtr);
}
else
{
DEBUG_LOG(SCEKERNEL, "sceKernelReceiveMbx(%i, %08x, %08x): no message in queue, waiting", id, packetAddrPtr, timeoutPtr);
HLEKernel::RemoveWaitingThread(m->waitingThreads, __KernelGetCurThread());
m->AddWaitingThread(__KernelGetCurThread(), packetAddrPtr);
__KernelWaitMbx(m, timeoutPtr);
__KernelWaitCurThread(WAITTYPE_MBX, id, 0, timeoutPtr, false, "mbx waited");
return 0;
}
}
void sceKernelReceiveMbxCB(SceUID id, u32 packetAddrPtr, u32 timeoutPtr)
{
u32 error;
Mbx *m = kernelObjects.Get<Mbx>(id, error);
__KernelCheckCallbacks();
if (!m)
{
ERROR_LOG(HLE, "sceKernelReceiveMbxCB(%i, %08x, %08x): invalid mbx id", id, packetAddrPtr, timeoutPtr);
RETURN(error);
return;
}
if (!m->messageQueue.empty())
{
DEBUG_LOG(HLE, "sceKernelReceiveMbxCB(%i, %08x, %08x): sending first queue message", id, packetAddrPtr, timeoutPtr);
Memory::Write_U32(m->messageQueue.front(), packetAddrPtr);
m->messageQueue.erase(m->messageQueue.begin());
RETURN(0);
}
else
{
DEBUG_LOG(HLE, "sceKernelReceiveMbxCB(%i, %08x, %08x): no message in queue, waiting", id, packetAddrPtr, timeoutPtr);
m->AddWaitingThread(id, packetAddrPtr);
RETURN(0);
__KernelWaitCurThread(WAITTYPE_MBX, 0, 0, 0, true); // ?
}
}
int sceKernelPollMbx(SceUID id, u32 packetAddrPtr)
{
u32 error;
Mbx *m = kernelObjects.Get<Mbx>(id, error);
if (!m)
{
ERROR_LOG(HLE, "sceKernelPollMbx(%i, %08x): invalid mbx id", id, packetAddrPtr);
return error;
}
if (m->nmb.numMessages > 0)
{
DEBUG_LOG(HLE, "sceKernelPollMbx(%i, %08x): sending first queue message", id, packetAddrPtr);
return m->ReceiveMessage(packetAddrPtr);
}
else
{
DEBUG_LOG(HLE, "SCE_KERNEL_ERROR_MBOX_NOMSG=sceKernelPollMbx(%i, %08x): no message in queue", id, packetAddrPtr);
return SCE_KERNEL_ERROR_MBOX_NOMSG;
}
}
int sceKernelSendMbx(SceUID id, u32 packetAddr)
{
u32 error;
Mbx *m = kernelObjects.Get<Mbx>(id, error);
if (!m)
{
ERROR_LOG(HLE, "sceKernelSendMbx(%i, %08x): invalid mbx id", id, packetAddr);
return error;
}
NativeMbxPacket *addPacket = (NativeMbxPacket*)Memory::GetPointer(packetAddr);
if (addPacket == 0)
{
ERROR_LOG(HLE, "sceKernelSendMbx(%i, %08x): invalid packet address", id, packetAddr);
return -1;
}
// If the queue is empty, maybe someone is waiting.
// We have to check them first, they might've timed out.
if (m->nmb.numMessages == 0)
{
bool wokeThreads = false;
std::vector<MbxWaitingThread>::iterator iter;
while (!wokeThreads && !m->waitingThreads.empty())
{
if ((m->nmb.attr & SCE_KERNEL_MBA_THPRI) != 0)
iter = __KernelMbxFindPriority(m->waitingThreads);
else
iter = m->waitingThreads.begin();
MbxWaitingThread t = *iter;
__KernelUnlockMbxForThread(m, t, error, 0, wokeThreads);
m->waitingThreads.erase(iter);
if (wokeThreads)
{
DEBUG_LOG(HLE, "sceKernelSendMbx(%i, %08x): threads waiting, resuming %d", id, packetAddr, t.first);
Memory::Write_U32(packetAddr, t.second);
hleReSchedule("mbx sent");
// We don't need to do anything else, finish here.
return 0;
}
}
}
DEBUG_LOG(HLE, "sceKernelSendMbx(%i, %08x): no threads currently waiting, adding message to queue", id, packetAddr);
if (m->nmb.numMessages == 0)
m->AddInitialMessage(packetAddr);
else
{
u32 next = m->nmb.packetListHead, prev;
for (int i = 0, n = m->nmb.numMessages; i < n; i++)
{
if (next == packetAddr)
return PSP_MBX_ERROR_DUPLICATE_MSG;
if (!Memory::IsValidAddress(next))
return SCE_KERNEL_ERROR_ILLEGAL_ADDR;
prev = next;
next = Memory::Read_U32(next);
}
bool inserted = false;
if (m->nmb.attr & SCE_KERNEL_MBA_MSPRI)
{
NativeMbxPacket p;
for (int i = 0, n = m->nmb.numMessages; i < n; i++)
{
Memory::ReadStruct<NativeMbxPacket>(next, &p);
if (addPacket->priority < p.priority)
{
if (i == 0)
m->AddFirstMessage(prev, packetAddr);
else
m->AddMessage(prev, next, packetAddr);
inserted = true;
break;
}
prev = next;
next = Memory::Read_U32(next);
}
}
if (!inserted)
m->AddLastMessage(prev, packetAddr);
}
return 0;
}