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IOS HLE: STM: Check if there is already an event hook

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For IOCTL_STM_EVENTHOOK, IOS checks if there is already an event hook
to prevent overriding an existing event hook message with a new one,
without first releasing it.
This commit is contained in:
Léo Lam 2017-01-08 20:52:48 +01:00
commit 23162ac722
1 changed files with 6 additions and 0 deletions
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6
Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
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@ -106,6 +106,12 @@ IPCCommandResult CWII_IPC_HLE_Device_stm_eventhook::IOCtl(u32 command_address)
return GetDefaultReply(); return GetDefaultReply();
} }
if (s_event_hook_address != 0)
{
Memory::Write_U32(FS_EEXIST, command_address + 4);
return GetDefaultReply();
}
// IOCTL_STM_EVENTHOOK waits until the reset button or power button // IOCTL_STM_EVENTHOOK waits until the reset button or power button
// is pressed. // is pressed.
s_event_hook_address = command_address; s_event_hook_address = command_address;