src/util/exitsleep.c


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/*
 * util/exitsleep.c
 *
 * Copyright (C) 2003 by the Massachusetts Institute of Technology.
 * All rights reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 * 
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  Furthermore if you modify this software you must label
 * your software as modified software and not distribute it in such a
 * fashion that it might be confused with the original M.I.T. software.
 * M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 *
 * Kludge to sleep 100ms prior to exit on Solaris 9 to work around a
 * pty bug.
 */

#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <dlfcn.h>
#include <link.h>

void
exit(int status)
{
    void (*realexit)(int);
    struct timeval tv;

    tv.tv_sec = 0;
    tv.tv_usec = 100000;
    realexit = (void (*)(int))dlsym(RTLD_NEXT, "exit");
    select(0, 0, 0, 0, &tv);
    realexit(status);
}