sys/compat/netbsd32/netbsd32_wait.c

   1 /*      $NetBSD: netbsd32_wait.c,v 1.20 2009/01/11 02:45:49 christos Exp $      */
   2
   3 /*
   4  * Copyright (c) 1998, 2001 Matthew R. Green
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_wait.c,v 1.20 2009/01/11 02:45:49 christos Exp $");
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/mount.h>
  35 #include <sys/time.h>
  36 #include <sys/wait.h>
  37 #include <sys/ptrace.h>
  38 #include <sys/resourcevar.h>
  39 #include <sys/vnode.h>
  40 #include <sys/pool.h>
  41 #include <sys/proc.h>
  42 #include <sys/dirent.h>
  43
  44 #include <compat/netbsd32/netbsd32.h>
  45 #include <compat/netbsd32/netbsd32_syscallargs.h>
  46 #include <compat/netbsd32/netbsd32_conv.h>
  47
  48 int
  49 netbsd32___wait450(struct lwp *l, const struct netbsd32___wait450_args *uap,
  50     register_t *retval)
  51 {
  52         /* {
  53                 syscallarg(int) pid;
  54                 syscallarg(netbsd32_intp) status;
  55                 syscallarg(int) options;
  56                 syscallarg(netbsd32_rusagep_t) rusage;
  57         } */
  58         int error, status, pid = SCARG(uap, pid);
  59         struct netbsd32_rusage ru32;
  60         struct rusage ru;
  61
  62         error = do_sys_wait(&pid, &status, SCARG(uap, options),
  63             SCARG_P32(uap, rusage) != NULL ? &ru : NULL);
  64
  65         retval[0] = pid;
  66         if (pid == 0)
  67                 return error;
  68
  69         if (SCARG_P32(uap, rusage)) {
  70                 netbsd32_from_rusage(&ru, &ru32);
  71                 error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32));
  72         }
  73
  74         if (error == 0 && SCARG_P32(uap, status))
  75                 error = copyout(&status, SCARG_P32(uap, status), sizeof(status));
  76
  77         return error;
  78 }
  79
  80
  81 int
  82 netbsd32___getrusage50(struct lwp *l,
  83     const struct netbsd32___getrusage50_args *uap, register_t *retval)
  84 {
  85         /* {
  86                 syscallarg(int) who;
  87                 syscallarg(netbsd32_rusagep_t) rusage;
  88         } */
  89         struct proc *p = l->l_proc;
  90         struct rusage *rup;
  91         struct netbsd32_rusage ru;
  92
  93         switch (SCARG(uap, who)) {
  94
  95         case RUSAGE_SELF:
  96                 rup = &p->p_stats->p_ru;
  97                 mutex_enter(p->p_lock);
  98                 calcru(p, &rup->ru_utime, &rup->ru_stime, NULL, NULL);
  99                 mutex_exit(p->p_lock);
 100                 break;
 101
 102         case RUSAGE_CHILDREN:
 103                 rup = &p->p_stats->p_cru;
 104                 break;
 105
 106         default:
 107                 return (EINVAL);
 108         }
 109         netbsd32_from_rusage(rup, &ru);
 110         return copyout(&ru, SCARG_P32(uap, rusage), sizeof(ru));
 111 }