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/*
* Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
* $Id: setjmp.h,v 1.3 2001/03/08 03:23:08 ca Exp $
*/
#ifndef SM_SETJMP_H
# define SM_SETJMP_H
# include <sm/config.h>
# include <setjmp.h>
/*
** sm_setjmp_sig is a setjmp that saves the signal mask.
** sm_setjmp_nosig is a setjmp that does *not* save the signal mask.
** SM_JMPBUF_T is used with both of the above macros.
**
** On most systems, these can be implemented using sigsetjmp.
** Some old BSD systems do not have sigsetjmp, but they do have
** setjmp and _setjmp, which are just as good.
*/
# if SM_CONF_SIGSETJMP
typedef sigjmp_buf SM_JMPBUF_T;
# define sm_setjmp_sig(buf) sigsetjmp(buf, 1)
# define sm_setjmp_nosig(buf) sigsetjmp(buf, 0)
# define sm_longjmp_sig(buf, val) siglongjmp(buf, val)
# define sm_longjmp_nosig(buf, val) siglongjmp(buf, val)
# else /* SM_CONF_SIGSETJMP */
typedef jmp_buf SM_JMPBUF_T;
# define sm_setjmp_sig(buf) setjmp(buf)
# define sm_longjmp_sig(buf, val) longjmp(buf, val)
# define sm_setjmp_nosig(buf) _setjmp(buf)
# define sm_longjmp_nosig(buf, val) _longjmp(buf, val)
# endif /* SM_CONF_SIGSETJMP */
#endif /* ! SM_SETJMP_H */
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