1 /* cygerrno.h: main Cygwin header file.
3 Copyright 2000, 2001, 2002, 2003, 2004, 2010, 2011 Red Hat, Inc.
5 This file is part of Cygwin.
7 This software is a copyrighted work licensed under the terms of the
8 Cygwin license. Please consult the file "CYGWIN_LICENSE" for
15 void __stdcall seterrno_from_win_error (const char *file, int line, DWORD code) __attribute__ ((regparm(3)));
16 void __stdcall seterrno_from_nt_status (const char *file, int line, NTSTATUS status) __attribute__ ((regparm(3)));
17 void __stdcall seterrno (const char *, int line) __attribute__ ((regparm(2)));
18 int __stdcall geterrno_from_win_error (DWORD code = GetLastError (), int deferrno = 13 /*EACCESS*/) __attribute__ ((regparm(2)));
19 int __stdcall geterrno_from_nt_status (NTSTATUS status, int deferrno = 13 /*EACCESS*/) __attribute__ ((regparm(2)));
21 #define __seterrno() seterrno (__FILE__, __LINE__)
22 #define __seterrno_from_win_error(val) seterrno_from_win_error (__FILE__, __LINE__, val)
23 #define __seterrno_from_nt_status(status) seterrno_from_nt_status (__FILE__, __LINE__, status)
26 __set_errno (const char *fn, int ln, int val)
28 debug_printf ("%s:%d setting errno %d", fn, ln, val);
29 return errno = _impure_ptr->_errno = val;
31 #define set_errno(val) __set_errno (__PRETTY_FUNCTION__, __LINE__, (val))
33 #define get_errno() (errno)
34 extern "C" void __stdcall set_sig_errno (int e);
40 save_errno () {saved = get_errno ();}
41 save_errno (int what) {saved = get_errno (); set_errno (what); }
42 void set (int what) {set_errno (what); saved = what;}
43 void reset () {saved = get_errno ();}
44 ~save_errno () {errno = _impure_ptr->_errno = saved;}
47 extern const char *__sp_fn;
49 #endif /*_CYGERRNO_H*/