77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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genapp.c
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Abstract:
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Resource DLL for Generic Applications.
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Author:
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Rod Gamache (rodga) 8-Jan-1996
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Revision History:
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--*/
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#include "nt.h"
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#include "ntpsapi.h"
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#include "windef.h"
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#include "winerror.h"
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DWORD
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GetProcessId(
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IN HANDLE ProcessHandle,
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OUT LPDWORD ProcessId
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)
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/*++
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Routine Description:
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Get the process Id for a process, given its process handle.
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Arguments:
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ProcessHandle - the handle for the process to query.
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ProcessId - pointer to a DWORD to receive the process Id.
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Return Value:
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ERROR_SUCCESS if successful.
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ERROR_INVALID_PARAMETER on error.
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--*/
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{
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DWORD status;
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DWORD returnLength;
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PROCESS_BASIC_INFORMATION basicProcessInfo;
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//
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// Find the process id.
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//
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status = NtQueryInformationProcess( ProcessHandle,
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ProcessBasicInformation,
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&basicProcessInfo,
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sizeof(PROCESS_BASIC_INFORMATION),
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&returnLength );
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if ( !NT_SUCCESS(status) ) {
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*ProcessId = 0;
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return(ERROR_INVALID_PARAMETER);
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}
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*ProcessId = (DWORD)basicProcessInfo.UniqueProcessId;
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return(ERROR_SUCCESS);
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} // GetProcessId
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