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-\documentclass{article}
-\usepackage{axiom}
-\begin{document}
-\title{\$SPAD/src/graph/viewman sselect.c}
-\author{The Axiom Team}
-\maketitle
-\begin{abstract}
-\end{abstract}
-\eject
-\tableofcontents
-\eject
-\section{License}
-<<license>>=
-/*
-Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- - Neither the name of The Numerical ALgorithms Group Ltd. nor the
- names of its contributors may be used to endorse or promote products
- derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-@
-<<*>>=
-<<license>>
-
-#define _SSELECT_C
-#include "axiom-c-macros.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <signal.h>
-
-#include "viewman.h"
-#include "bsdsignal.h"
-
-#include "sockio.h"
-#include "bsdsignal.H1"
-#include "cleanup.H1"
-#include "sselect.H1"
-
-/*******************************************
- * int superSelect(n, rd, wr, ex, timeout) *
- * *
- * superselect! if select returns a -1 *
- * due to an interrupt (EINTR), this *
- * routine checks to see if it's a *
- * child viewport that has closed. *
- * Expected global variables: *
- * int checkClosedChild *
- *******************************************/
-
-int
-#ifdef _NO_PROTO
-superSelect(n, rd, wr, ex, timeout)
- int n;
- int *rd, *wr, *ex;
- char *timeout;
-#else
-superSelect(int n, int *rd, int *wr, int *ex, char *timeout)
-#endif
-{
-
- int waiting;
- viewManager *viewport;
- int ret_val;
-
- ret_val = select(n, (void *)rd, (void *)wr, (void *)ex, (void *)timeout);
- while (ret_val == -1 && errno == EINTR) {
- /* checkClosedChild gets set by the SIGCHLD handler */
- if (checkClosedChild) {
- while ((waiting = wait(0)) == -1 );
- viewport = viewports;
- while ((viewport) && (viewport->PID != waiting))
- viewport = viewport->nextViewport;
- if (viewport) {
- /* we shouldn't really be doing this since child is dead */
- /* rmViewMgr(viewport); */
- /* flush(spadSock); */
- /* send_int(spadSock,1); acknowledge to spad */
- checkClosedChild = no;
-#if defined(BSDplatform) || defined(MACOSXplatform)
- bsdSignal(SIGCHLD,endChild,DontRestartSystemCalls);
-#else
- bsdSignal(SIGCLD,endChild,DontRestartSystemCalls);
-#endif
- }
- }
- ret_val = select(n, (void *)rd, (void *)wr, (void *)ex, (void *)timeout);
- }
- return ret_val;
-}
-@
-\eject
-\begin{thebibliography}{99}
-\bibitem{1} nothing
-\end{thebibliography}
-\end{document}