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[host] added IVSHMEM::CreateVectorEvent

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This commit is contained in:
Geoffrey McRae 2017-10-31 22:17:27 +11:00
parent 215d2c7a4b
commit 941f0f1c16
2 changed files with 28 additions and 0 deletions
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27
host/ivshmem.cpp
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@ -190,3 +190,30 @@ void * IVSHMEM::GetMemory()
return m_memory;
}
HANDLE IVSHMEM::CreateVectorEvent(UINT16 vector)
{
if (!m_initialized)
return INVALID_HANDLE_VALUE;
HANDLE event = CreateEvent(NULL, TRUE, FALSE, NULL);
if (event == INVALID_HANDLE_VALUE)
{
DEBUG_ERROR("CreateEvent Failed: %d", GetLastError());
return INVALID_HANDLE_VALUE;
}
IVSHMEM_EVENT msg;
msg.event = event;
msg.singleShot = false;
msg.vector = vector;
if (!DeviceIoControl(m_handle, IOCTL_IVSHMEM_REGISTER_EVENT, &msg, sizeof(IVSHMEM_EVENT), NULL, 0, NULL, NULL))
{
DEBUG_ERROR("DeviceIoControl Failed: %d", GetLastError());
CloseHandle(event);
return INVALID_HANDLE_VALUE;
}
return event;
}

1
host/ivshmem.h
View File

@ -22,6 +22,7 @@ public:
UINT16 GetPeerID();
UINT16 GetVectors();
void * GetMemory();
HANDLE CreateVectorEvent(UINT16 vector);
protected: