42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
/* cygerrno.h: main Cygwin header file.
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Copyright 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <errno.h>
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void __stdcall seterrno_from_win_error (const char *file, int line, DWORD code) __attribute__ ((regparm(3)));
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void __stdcall seterrno (const char *, int line) __attribute__ ((regparm(2)));
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int __stdcall geterrno_from_win_error (DWORD code, int deferrno) __attribute__ ((regparm(2)));
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#define __seterrno() seterrno (__FILE__, __LINE__)
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#define __seterrno_from_win_error(val) seterrno_from_win_error (__FILE__, __LINE__, val)
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#ifndef DEBUGGING
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#define set_errno(val) (errno = (val), _impure_ptr->_errno = (val))
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#else
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int __stdcall __set_errno (const char *ln, int ln, int val) __attribute ((regparm(3)));
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#define set_errno(val) __set_errno (__PRETTY_FUNCTION__, __LINE__, (val))
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#endif
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#define get_errno() (errno)
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extern "C" void __stdcall set_sig_errno (int e);
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class save_errno
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{
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int saved;
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public:
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save_errno () {saved = get_errno ();}
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save_errno (int what) {saved = get_errno (); set_errno (what); }
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void set (int what) {set_errno (what); saved = what;}
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void reset () {saved = get_errno ();}
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~save_errno () {set_errno (saved);}
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};
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extern const char *__sp_fn;
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extern int __sp_ln;
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