FreeBSD/Linux Kernel Cross Reference
sys/compat/linux32/common/linux32_resource.c

     /*      $NetBSD: linux32_resource.c,v 1.9 2008/09/22 13:07:46 njoly Exp $ */
     
     /*-
      * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
      *
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Emmanuel Dreyfus
     * 4. The name of the author may not be used to endorse or promote 
     *    products derived from this software without specific prior written 
     *    permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR 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 AUTHOR 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: linux32_resource.c,v 1.9 2008/09/22 13:07:46 njoly Exp $");
    
    #include <sys/types.h>
    #include <sys/param.h>
    #include <sys/fstypes.h>
    #include <sys/signal.h>
    #include <sys/dirent.h>
    #include <sys/kernel.h>
    #include <sys/fcntl.h>
    #include <sys/select.h>
    #include <sys/proc.h>
    #include <sys/resourcevar.h>
    #include <sys/ucred.h>
    #include <sys/swap.h>
    
    #include <machine/types.h>
    
    #include <sys/syscallargs.h>
    
    #include <compat/netbsd32/netbsd32.h>
    #include <compat/netbsd32/netbsd32_conv.h>
    #include <compat/netbsd32/netbsd32_syscallargs.h>
    
    #include <compat/linux/common/linux_types.h>
    #include <compat/linux/common/linux_signal.h>
    #include <compat/linux/common/linux_machdep.h>
    #include <compat/linux/common/linux_misc.h>
    #include <compat/linux/common/linux_limit.h>
    #include <compat/linux/common/linux_oldolduname.h>
    #include <compat/linux/linux_syscallargs.h>
    
    #include <compat/linux32/common/linux32_types.h>
    #include <compat/linux32/common/linux32_signal.h>
    #include <compat/linux32/common/linux32_machdep.h>
    #include <compat/linux32/common/linux32_sysctl.h>
    #include <compat/linux32/common/linux32_socketcall.h>
    #include <compat/linux32/linux32_syscallargs.h>
    
    int
    linux32_sys_getrlimit(struct lwp *l, const struct linux32_sys_getrlimit_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(int) which;
                    syscallarg(netbsd32_orlimitp_t) rlp;
            } */
            struct orlimit orl;
            int which;
    
            which = linux_to_bsd_limit(SCARG(uap, which));
            if (which < 0)
                    return -which;
    
            bsd_to_linux_rlimit(&orl, &l->l_proc->p_rlimit[which]);
    
            return copyout(&orl, SCARG_P32(uap, rlp), sizeof(orl));
    }
    
    int
    linux32_sys_setrlimit(struct lwp *l, const struct linux32_sys_setrlimit_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(int) which;
                    syscallarg(netbsd32_orlimitp_t) rlp;
            } */
           struct rlimit rl;
           struct orlimit orl;
           int error;
           int which;
   
           if ((error = copyin(SCARG_P32(uap, rlp), &orl, sizeof(orl))) != 0)
                   return error;
   
           which = linux_to_bsd_limit(SCARG(uap, which));
           if (which < 0)
                   return -which;
   
           linux_to_bsd_rlimit(&rl, &orl);
   
           return dosetrlimit(l, l->l_proc, which, &rl);
   }
   
   int
   linux32_sys_ugetrlimit(struct lwp *l, const struct linux32_sys_ugetrlimit_args *uap, register_t *retval)
   {
           return linux32_sys_getrlimit(l, (const void *)uap, retval);
   }
   
   int
   linux32_sys_getpriority(struct lwp *l, const struct linux32_sys_getpriority_args *uap, register_t *retval)
   {
           /* {
                   syscallarg(int) which;
                   syscallarg(int) who;
           } */
           struct sys_getpriority_args bsa;
           int error;
                    
           SCARG(&bsa, which) = SCARG(uap, which);
           SCARG(&bsa, who) = SCARG(uap, who);
   
           if ((error = sys_getpriority(l, &bsa, retval)))
                   return error;
      
           *retval = NZERO - *retval;
           
           return 0;
   } 

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