sys/compat/svr4_32/svr4_32_lwp.c

   1 /*      $NetBSD: svr4_32_lwp.c,v 1.16 2008/04/28 20:23:46 martin Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Christos Zoulas.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: svr4_32_lwp.c,v 1.16 2008/04/28 20:23:46 martin Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/kernel.h>
  37 #include <sys/systm.h>
  38 #include <sys/queue.h>
  39 #include <sys/mbuf.h>
  40 #include <sys/file.h>
  41 #include <sys/mount.h>
  42 #include <sys/time.h>
  43 #include <sys/resourcevar.h>
  44 #include <sys/proc.h>
  45 #include <sys/socket.h>
  46 #include <sys/socketvar.h>
  47 #include <sys/syscallargs.h>
  48 #include <sys/un.h>
  49 #include <sys/stat.h>
  50
  51 #include <compat/svr4_32/svr4_32_types.h>
  52 #include <compat/svr4_32/svr4_32_util.h>
  53 #include <compat/svr4_32/svr4_32_socket.h>
  54 #include <compat/svr4_32/svr4_32_signal.h>
  55 #include <compat/svr4/svr4_sockmod.h>
  56 #include <compat/svr4_32/svr4_32_lwp.h>
  57 #include <compat/svr4_32/svr4_32_ucontext.h>
  58 #include <compat/svr4_32/svr4_32_syscallargs.h>
  59
  60
  61 #if 0
  62 int
  63 svr4_32_sys__lwp_self(struct proc *p, void *v, register_t *retval)
  64 {
  65         return sys_getpid(p, v, retval);
  66 }
  67 #endif
  68
  69
  70 int
  71 svr4_32_sys__lwp_create(struct lwp *l, const struct svr4_32_sys__lwp_create_args *uap, register_t *retval)
  72 {
  73         struct sys__lwp_create_args lc;
  74         int flags;
  75
  76         flags = 0;
  77
  78         if (SCARG(uap, flags) & SVR4_LWP_DETACHED)
  79             flags  &= LWP_DETACHED;
  80
  81         if (SCARG(uap, flags) & SVR4_LWP_SUSPENDED)
  82             flags  &= LWP_SUSPENDED;
  83
  84         if (SCARG(uap, flags) & SVR4___LWP_ASLWP) {
  85                 /* XXX Punt! */
  86         }
  87
  88 #if 0
  89         /* XXX this is probably incorrect */
  90         SCARG(&lc, ucp) = (ucontext_t *)SCARG(uap, uc);
  91         SCARG(&lc, new_lwp) = SCARG(uap, lwpid);
  92 #endif
  93         SCARG(&lc, flags) = flags;
  94
  95         return sys__lwp_create(l, &lc, retval);
  96 }
  97
  98 int
  99 svr4_32_sys__lwp_kill(struct lwp *l, const struct svr4_32_sys__lwp_kill_args *uap, register_t *retval)
 100 {
 101         struct sys__lwp_kill_args ap;
 102         SCARG(&ap, target) = SCARG(uap, lwpid);
 103         SCARG(&ap, signo) = SCARG(uap, signum);
 104
 105         return sys__lwp_kill(l, &ap, retval);
 106 }
 107
 108 int
 109 svr4_32_sys__lwp_info(struct lwp *l, const struct svr4_32_sys__lwp_info_args *uap, register_t *retval)
 110 {
 111         struct proc *p = l->l_proc;
 112         struct svr4_32_lwpinfo lwpinfo;
 113         int error;
 114
 115         TIMEVAL_TO_TIMESPEC(&p->p_stats->p_ru.ru_stime, &lwpinfo.lwp_stime);
 116         TIMEVAL_TO_TIMESPEC(&p->p_stats->p_ru.ru_utime, &lwpinfo.lwp_utime);
 117
 118         if ((error = copyout(&lwpinfo, SCARG_P32(uap, lwpinfo),
 119                              sizeof(lwpinfo))) == -1)
 120                return error;
 121         return 0;
 122 }
 123
 124 int
 125 svr4_32_sys__lwp_exit(struct lwp *l, const void *v, register_t *retval)
 126 {
 127
 128         return sys__lwp_exit(l, NULL, retval);
 129 }
 130
 131 int
 132 svr4_32_sys__lwp_wait(struct lwp *l, const struct svr4_32_sys__lwp_wait_args *uap, register_t *retval)
 133 {
 134         struct sys__lwp_wait_args ap;
 135
 136         SCARG(&ap, wait_for) = SCARG(uap, wait_for);
 137         SCARG(&ap, departed) = SCARG_P32(uap, departed_lwp);
 138
 139         return sys__lwp_wait(l, &ap, retval);
 140 }
 141
 142 int
 143 svr4_32_sys__lwp_suspend(struct lwp *l, const struct svr4_32_sys__lwp_suspend_args *uap, register_t *retval)
 144 {
 145         struct sys__lwp_suspend_args ap;
 146
 147         SCARG(&ap, target) = SCARG(uap, lwpid);
 148
 149         return sys__lwp_suspend(l, &ap, retval);
 150 }
 151
 152 int
 153 svr4_32_sys__lwp_continue(struct lwp *l, const struct svr4_32_sys__lwp_continue_args *uap, register_t *retval)
 154 {
 155         struct sys__lwp_continue_args ap;
 156
 157         SCARG(&ap, target) = SCARG(uap, lwpid);
 158
 159         return sys__lwp_continue(l, &ap, retval);
 160 }
 161
 162 int
 163 svr4_32_sys__lwp_getprivate(struct lwp *l, const void *v, register_t *retval)
 164 {
 165         /* XXX NJWLWP: Replace with call to native version if we ever
 166          * implement that. */
 167
 168         *retval = (register_t)l->l_private;
 169         return 0;
 170 }
 171
 172 int
 173 svr4_32_sys__lwp_setprivate(struct lwp *l, const struct svr4_32_sys__lwp_setprivate_args *uap, register_t *retval)
 174 {
 175 #if 0
 176
 177         /* XXX NJWLWP: Replace with call to native version if we ever
 178          * implement that. */
 179
 180         return copyin(SCARG(uap, buffer), &l->l_private, sizeof(void *));
 181 #endif
 182         return 0;
 183 }