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* cygerrno.h (seterrno_from_nt_status): Declare.

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(__seterrno_from_nt_status): Call seterrno_from_nt_status.
	* errno.cc (seterrno_from_win_error): Set errno without calling
	set_errno to avoid packing strace output with errno messages.
	(seterrno_from_nt_status): New function to print NT status as well as
	resulting Windows error.
This commit is contained in:
Corinna Vinschen 2010-04-16 15:42:29 +00:00
parent 6b0f100a6d
commit 7cdcd90ca1
3 changed files with 27 additions and 9 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2010-04-16 Corinna Vinschen <corinna@vinschen.de>
* cygerrno.h (seterrno_from_nt_status): Declare.
(__seterrno_from_nt_status): Call seterrno_from_nt_status.
* errno.cc (seterrno_from_win_error): Set errno without calling
set_errno to avoid packing strace output with errno messages.
(seterrno_from_nt_status): New function to print NT status as well as
resulting Windows error.
2010-04-15 Corinna Vinschen <corinna@vinschen.de> 2010-04-15 Corinna Vinschen <corinna@vinschen.de>
* kernel32.cc (CreateEventW): Create event object with EVENT_ALL_ACCESS * kernel32.cc (CreateEventW): Create event object with EVENT_ALL_ACCESS

10
winsup/cygwin/cygerrno.h
View File

@ -1,6 +1,6 @@
/* cygerrno.h: main Cygwin header file. /* cygerrno.h: main Cygwin header file.
Copyright 2000, 2001, 2002, 2003, 2004 Red Hat, Inc. Copyright 2000, 2001, 2002, 2003, 2004, 2010 Red Hat, Inc.
This file is part of Cygwin. This file is part of Cygwin.
@ -13,17 +13,13 @@ details. */
#include <errno.h> #include <errno.h>
void __stdcall seterrno_from_win_error (const char *file, int line, DWORD code) __attribute__ ((regparm(3))); void __stdcall seterrno_from_win_error (const char *file, int line, DWORD code) __attribute__ ((regparm(3)));
void __stdcall seterrno_from_nt_status (const char *file, int line, NTSTATUS status) __attribute__ ((regparm(3)));
void __stdcall seterrno (const char *, int line) __attribute__ ((regparm(2))); void __stdcall seterrno (const char *, int line) __attribute__ ((regparm(2)));
int __stdcall geterrno_from_win_error (DWORD code = GetLastError (), int deferrno = 13 /*EACCESS*/) __attribute__ ((regparm(2))); int __stdcall geterrno_from_win_error (DWORD code = GetLastError (), int deferrno = 13 /*EACCESS*/) __attribute__ ((regparm(2)));
#define __seterrno() seterrno (__FILE__, __LINE__) #define __seterrno() seterrno (__FILE__, __LINE__)
#define __seterrno_from_win_error(val) seterrno_from_win_error (__FILE__, __LINE__, val) #define __seterrno_from_win_error(val) seterrno_from_win_error (__FILE__, __LINE__, val)
#define __seterrno_from_nt_status(status) \ #define __seterrno_from_nt_status(status) seterrno_from_nt_status (__FILE__, __LINE__, status)
({ \
DWORD winerr = RtlNtStatusToDosError (status); \
SetLastError (winerr); \
__seterrno_from_win_error (winerr); \
})
inline int inline int
__set_errno (const char *fn, int ln, int val) __set_errno (const char *fn, int ln, int val)

17
winsup/cygwin/errno.cc
View File

@ -1,7 +1,7 @@
/* errno.cc: errno-related functions /* errno.cc: errno-related functions
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2008, 2009 Red Hat, Inc. 2006, 2008, 2009, 2010 Red Hat, Inc.
This file is part of Cygwin. This file is part of Cygwin.
@ -14,6 +14,7 @@ details. */
#define _sys_errlist FOO_sys_errlist #define _sys_errlist FOO_sys_errlist
#include "winsup.h" #include "winsup.h"
#include "cygtls.h" #include "cygtls.h"
#include "ntdll.h"
#undef _sys_nerr #undef _sys_nerr
#undef sys_nerr #undef sys_nerr
#undef _sys_errlist #undef _sys_errlist
@ -316,7 +317,19 @@ void __stdcall
seterrno_from_win_error (const char *file, int line, DWORD code) seterrno_from_win_error (const char *file, int line, DWORD code)
{ {
syscall_printf ("%s:%d windows error %d", file, line, code); syscall_printf ("%s:%d windows error %d", file, line, code);
set_errno (geterrno_from_win_error (code, EACCES)); errno = _impure_ptr->_errno = geterrno_from_win_error (code, EACCES);
}
/* seterrno_from_nt_status: Given a NT status code, set errno
as appropriate. */
void __stdcall
seterrno_from_nt_status (const char *file, int line, NTSTATUS status)
{
DWORD code = RtlNtStatusToDosError (status);
SetLastError (code);
syscall_printf ("%s:%d status %p -> windows error %d",
file, line, status, code);
errno = _impure_ptr->_errno = geterrno_from_win_error (code, EACCES);
} }
/* seterrno: Set `errno' based on GetLastError (). */ /* seterrno: Set `errno' based on GetLastError (). */