97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/* cygwin_dll.h
|
|
|
|
Copyright 1998 Cygnus Solutions
|
|
|
|
This file is part of Cygwin32.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin32 license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#ifndef __CYGWIN_CYGWIN_DLL_H__
|
|
#define __CYGWIN_CYGWIN_DLL_H__
|
|
|
|
#include <windows.h>
|
|
|
|
#ifdef __cplusplus
|
|
#define CDECL_BEGIN extern "C" {
|
|
#define CDECL_END }
|
|
#else
|
|
#define CDECL_BEGIN
|
|
#define CDECL_END
|
|
#endif
|
|
|
|
#define DECLARE_CYGWIN_DLL(Entry) \
|
|
\
|
|
CDECL_BEGIN \
|
|
int WINAPI _cygwin_dll_entry (HANDLE h, DWORD reason, void *ptr); \
|
|
int WINAPI _cygwin_noncygwin_dll_entry (HANDLE h, DWORD reason, void *ptr); \
|
|
\
|
|
int WINAPI Entry (HANDLE h, DWORD reason, void *ptr); \
|
|
extern int cygwin_attach_dll (); \
|
|
extern void cygwin_detach_dll (); \
|
|
CDECL_END \
|
|
\
|
|
static HANDLE storedHandle; \
|
|
static DWORD storedReason; \
|
|
static void* storedPtr; \
|
|
\
|
|
static int __dllMain (int a, char **b, char **c) \
|
|
{ \
|
|
return Entry (storedHandle, storedReason, storedPtr); \
|
|
} \
|
|
\
|
|
static int dll_index; \
|
|
\
|
|
int WINAPI _cygwin_dll_entry (HANDLE h, DWORD reason, void *ptr) \
|
|
{ \
|
|
int ret; \
|
|
ret = 1; \
|
|
\
|
|
switch (reason) \
|
|
{ \
|
|
case DLL_PROCESS_ATTACH: \
|
|
{ \
|
|
storedHandle = h; \
|
|
storedReason = reason; \
|
|
storedPtr = ptr; \
|
|
dll_index = cygwin_attach_dll (h, &__dllMain); \
|
|
if (dll_index == -1) \
|
|
ret = 0; \
|
|
} \
|
|
break; \
|
|
\
|
|
case DLL_PROCESS_DETACH: \
|
|
{ \
|
|
ret = Entry (h, reason, ptr); \
|
|
if (ret) \
|
|
{ \
|
|
cygwin_detach_dll (dll_index); \
|
|
dll_index = -1; \
|
|
} \
|
|
} \
|
|
break; \
|
|
\
|
|
case DLL_THREAD_ATTACH: \
|
|
{ \
|
|
ret = Entry (h, reason, ptr); \
|
|
} \
|
|
break; \
|
|
\
|
|
case DLL_THREAD_DETACH: \
|
|
{ \
|
|
ret = Entry (h, reason, ptr); \
|
|
} \
|
|
break; \
|
|
} \
|
|
return ret; \
|
|
} \
|
|
\
|
|
/* OBSOLETE: This is only provided for source level compatibility. */ \
|
|
int WINAPI _cygwin_noncygwin_dll_entry (HANDLE h, DWORD reason, void *ptr) \
|
|
{ \
|
|
return _cygwin_dll_entry (h, reason, ptr); \
|
|
} \
|
|
|
|
#endif /* __CYGWIN_CYGWIN_DLL_H__ */
|