wine/dlls/win32u/main.c

61 lines
2.1 KiB
C

/*
* Win32u kernel interface
*
* Copyright 2021 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "ntgdi.h"
#include "wine/unixlib.h"
extern void *__wine_syscall_dispatcher DECLSPEC_HIDDEN;
static unixlib_handle_t win32u_handle;
void __cdecl __wine_spec_unimplemented_stub( const char *module, const char *function )
{
EXCEPTION_RECORD record;
record.ExceptionCode = EXCEPTION_WINE_STUB;
record.ExceptionFlags = EH_NONCONTINUABLE;
record.ExceptionRecord = NULL;
record.ExceptionAddress = __wine_spec_unimplemented_stub;
record.NumberParameters = 2;
record.ExceptionInformation[0] = (ULONG_PTR)module;
record.ExceptionInformation[1] = (ULONG_PTR)function;
for (;;) RtlRaiseException( &record );
}
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, void *reserved )
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
LdrDisableThreadCalloutsForDll( inst );
if (__wine_syscall_dispatcher) break; /* already set through Wow64Transition */
if (!NtQueryVirtualMemory( GetCurrentProcess(), inst, MemoryWineUnixFuncs,
&win32u_handle, sizeof(win32u_handle), NULL ))
__wine_unix_call( win32u_handle, 0, &__wine_syscall_dispatcher );
break;
}
return TRUE;
}