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Thread safe enq_reply.

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This commit is contained in:
Matthew Parlane 2013-01-01 19:24:00 +13:00
commit 8fdc8af1cb
1 changed files with 19 additions and 6 deletions
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13
Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE.cpp
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@ -83,6 +83,7 @@ IWII_IPC_HLE_Device* es_handles[ES_MAX_COUNT];
typedef std::deque<u32> ipc_msg_queue; typedef std::deque<u32> ipc_msg_queue;
static ipc_msg_queue request_queue; // ppc -> arm static ipc_msg_queue request_queue; // ppc -> arm
static ipc_msg_queue reply_queue; // arm -> ppc static ipc_msg_queue reply_queue; // arm -> ppc
static std::mutex s_reply_queue;
void Init() void Init()
{ {
@ -159,7 +160,12 @@ void Reset(bool _bHard)
g_DeviceMap.erase(g_DeviceMap.begin(), g_DeviceMap.end()); g_DeviceMap.erase(g_DeviceMap.begin(), g_DeviceMap.end());
} }
request_queue.clear(); request_queue.clear();
// lock due to using reply_queue
{
std::lock_guard<std::mutex> lk(s_reply_queue);
reply_queue.clear(); reply_queue.clear();
}
} }
void Shutdown() void Shutdown()
@ -241,6 +247,8 @@ IWII_IPC_HLE_Device* CreateFileIO(u32 _DeviceID, const std::string& _rDeviceName
void DoState(PointerWrap &p) void DoState(PointerWrap &p)
{ {
std::lock_guard<std::mutex> lk(s_reply_queue);
p.Do(request_queue); p.Do(request_queue);
p.Do(reply_queue); p.Do(reply_queue);
@ -536,6 +544,7 @@ void EnqRequest(u32 _Address)
// Called when IOS module has some reply // Called when IOS module has some reply
void EnqReply(u32 _Address) void EnqReply(u32 _Address)
{ {
std::lock_guard<std::mutex> lk(s_reply_queue);
reply_queue.push_back(_Address); reply_queue.push_back(_Address);
} }
@ -561,12 +570,16 @@ void Update()
#endif #endif
} }
// lock due to using reply_queue
{
std::lock_guard<std::mutex> lk(s_reply_queue);
if (reply_queue.size()) if (reply_queue.size())
{ {
WII_IPCInterface::GenerateReply(reply_queue.front()); WII_IPCInterface::GenerateReply(reply_queue.front());
INFO_LOG(WII_IPC_HLE, "<<-- Reply to IPC Request @ 0x%08x", reply_queue.front()); INFO_LOG(WII_IPC_HLE, "<<-- Reply to IPC Request @ 0x%08x", reply_queue.front());
reply_queue.pop_front(); reply_queue.pop_front();
} }
}
} }
void UpdateDevices() void UpdateDevices()