FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_oldselect.c

     /*      $NetBSD: linux_oldselect.c,v 1.58 2008/06/18 12:24:18 tsutsui Exp $     */
     
     /*-
      * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Frank van der Linden and Eric Haszlakiewicz.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: linux_oldselect.c,v 1.58 2008/06/18 12:24:18 tsutsui Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/mount.h>
    
    #include <sys/sched.h>
    #include <sys/syscallargs.h>
    
    #include <compat/linux/common/linux_types.h>
    #include <compat/linux/common/linux_misc.h>
    #include <compat/linux/common/linux_mmap.h>
    #include <compat/linux/common/linux_signal.h>
    #include <compat/linux/common/linux_oldselect.h>
    
    #include <compat/linux/linux_syscallargs.h>
    
    /* Used on: arm, i386, m68k */
    /* Not used on: alpha, mips, ppc, sparc, sparc64 */
    
    /*
     * Not sure why the arguments to this older version of select() were put
     * into a structure, because there are 5, and that can all be handled
     * in registers on the i386 like Linux wants to.
     */
    int
    linux_sys_oldselect(struct lwp *l, const struct linux_sys_oldselect_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(struct linux_oldselect *) lsp;
            } */
            struct linux_oldselect ls;
            int error;
    
            if ((error = copyin(SCARG(uap, lsp), &ls, sizeof(ls))))
                    return error;
    
            return linux_select1(l, retval, ls.nfds, ls.readfds, ls.writefds,
                ls.exceptfds, ls.timeout);
    }
    

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