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coreinit: Fix potential race condition in IPC code

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This commit is contained in:
Exzap 2023-10-18 10:43:36 +02:00
parent 9ec50b865d
commit 9bb409314d
1 changed files with 4 additions and 0 deletions
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4
src/Cafe/IOSU/kernel/iosu_kernel.cpp
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@ -578,8 +578,12 @@ namespace iosu
return r; return r;
} }
std::mutex sMtxReply[3];
void _IPCReplyAndRelease(IOSDispatchableCommand* dispatchCmd, uint32 result) void _IPCReplyAndRelease(IOSDispatchableCommand* dispatchCmd, uint32 result)
{ {
cemu_assert(dispatchCmd->ppcCoreIndex < 3);
std::unique_lock _l(sMtxReply[(uint32)dispatchCmd->ppcCoreIndex]);
cemu_assert(dispatchCmd >= sIPCDispatchableCommandPool.GetPtr() && dispatchCmd < sIPCDispatchableCommandPool.GetPtr() + sIPCDispatchableCommandPool.GetCount()); cemu_assert(dispatchCmd >= sIPCDispatchableCommandPool.GetPtr() && dispatchCmd < sIPCDispatchableCommandPool.GetPtr() + sIPCDispatchableCommandPool.GetCount());
dispatchCmd->originalBody->result = result; dispatchCmd->originalBody->result = result;
// submit to COS // submit to COS