Hi Nev,
currently you can use only already existing HGCM services. That is
VMMDevHGCMLoc_LocalHost actually is not supported.
This means that using your own HGCM service is possible only with VBox
OSE, where you can add code, which loads the HGCM service.
A service can be loaded using VMMDev::hgcmLoadService (see
src/VBox/Main/VMMDevInterface.cpp and ConsoleImpl2.cpp for examples).
HGCM service library name can be anything. The hgcmLoadService takes 2
parameters: library name and the service name.
On Linux 'dlopen' is used to load the library.
Best regards,
Vitali.
Nev wrote:
Hi All,
I hope this is the correct place to ask these question.
I have been unable to get past the HGCM_CONNECT call.
If I replace my service name "TestVboxHgcm" with "VboxSharedClipboard",
and change then type from
VMMDevHGCMLoc_LocalHost to VMMDevHGCMLoc_LocalHost_Existing
I can get a successful connect.
eg info.result == VINF_SUCCESS
but when I use "TestVboxHgcm" info.result is set to -2900 (0xFFFFF4ac)
The call to DeviceIoControl returns true and the return buffer size is
0x8c in both the failed call and the working call to the
SharedClipboard.
My Host OS is Ubuntu 9.10, the Guest is XP,
VBox version 3.1.4-r57640_Ubuntu_karmic.
What is the relationship between the service name and the Linux file
name. eg For service "TestVboxHgcm" is the required file name
"libTestVboxHgcm.so" or "TestVboxHgcm.so" or something else ?
I have tried both of the above.
Where does this file need to be installed: /usr/lib
or /usr/lib/virtualbox or just on the LD_LIBRARY_PATH ?
I have tried all 3.
I have verified, using readelf, that the Linux service library has the
entry :
55: 00000550 76 FUNC GLOBAL DEFAULT 12 VBoxHGCMSvcLoad
Any help will be greatly appreciated
Kind regards,
Nev
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