da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/***********************************************************************
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* This software is part of the ast package *
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner* Copyright (c) 1985-2010 AT&T Intellectual Property *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* and is licensed under the *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Common Public License, Version 1.0 *
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin* by AT&T Intellectual Property *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* A copy of the License is available at *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Information and Software Systems Research *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* AT&T Research *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Florham Park NJ *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Glenn Fowler <gsf@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* David Korn <dgk@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Phong Vo <kpv@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin***********************************************************************/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/* Function to handle io exceptions.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin** Written by Kiem-Phong Vo
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinint _sfexcept(Sfio_t* f, int type, ssize_t io, Sfdisc_t* disc)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinssize_t io; /* the io return value that indicated exception */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin { /* let the stream be generally accessible for this duration */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* so that exception handler knows what we are asking for */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* relock if necessary */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* extend buffer */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if(f->size > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin { if(_Sfexiting || (f->bits&SF_ENDING) || /* stop being a hero */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin (f->flags&SF_IOINTR) ) /* application requests to return */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* a normal interrupt, we can continue */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin { /* pop the stack */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pop and close */