The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/svr4_32/svr4_32_lwp.c

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    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/user.h>
   46 #include <sys/socket.h>
   47 #include <sys/socketvar.h>
   48 #include <sys/syscallargs.h>
   49 #include <sys/un.h>
   50 #include <sys/stat.h>
   51 
   52 #include <compat/svr4_32/svr4_32_types.h>
   53 #include <compat/svr4_32/svr4_32_util.h>
   54 #include <compat/svr4_32/svr4_32_socket.h>
   55 #include <compat/svr4_32/svr4_32_signal.h>
   56 #include <compat/svr4/svr4_sockmod.h>
   57 #include <compat/svr4_32/svr4_32_lwp.h>
   58 #include <compat/svr4_32/svr4_32_ucontext.h>
   59 #include <compat/svr4_32/svr4_32_syscallargs.h>
   60 
   61 
   62 #if 0
   63 int
   64 svr4_32_sys__lwp_self(struct proc *p, void *v, register_t *retval)
   65 {
   66         return sys_getpid(p, v, retval);
   67 }
   68 #endif
   69 
   70 
   71 int
   72 svr4_32_sys__lwp_create(struct lwp *l, const struct svr4_32_sys__lwp_create_args *uap, register_t *retval)
   73 {
   74         struct sys__lwp_create_args lc;
   75         int flags;
   76 
   77         flags = 0;
   78 
   79         if (SCARG(uap, flags) & SVR4_LWP_DETACHED)
   80             flags  &= LWP_DETACHED;
   81 
   82         if (SCARG(uap, flags) & SVR4_LWP_SUSPENDED)
   83             flags  &= LWP_SUSPENDED;
   84 
   85         if (SCARG(uap, flags) & SVR4___LWP_ASLWP) {
   86                 /* XXX Punt! */
   87         }
   88 
   89 #if 0
   90         /* XXX this is probably incorrect */
   91         SCARG(&lc, ucp) = (ucontext_t *)SCARG(uap, uc);
   92         SCARG(&lc, new_lwp) = SCARG(uap, lwpid);
   93 #endif
   94         SCARG(&lc, flags) = flags;
   95 
   96         return sys__lwp_create(l, &lc, retval);
   97 }
   98 
   99 int
  100 svr4_32_sys__lwp_kill(struct lwp *l, const struct svr4_32_sys__lwp_kill_args *uap, register_t *retval)
  101 {
  102         struct sys__lwp_kill_args ap;
  103         SCARG(&ap, target) = SCARG(uap, lwpid);
  104         SCARG(&ap, signo) = SCARG(uap, signum);
  105 
  106         return sys__lwp_kill(l, &ap, retval);
  107 }
  108 
  109 int
  110 svr4_32_sys__lwp_info(struct lwp *l, const struct svr4_32_sys__lwp_info_args *uap, register_t *retval)
  111 {
  112         struct proc *p = l->l_proc;
  113         struct svr4_32_lwpinfo lwpinfo;
  114         int error;
  115 
  116         TIMEVAL_TO_TIMESPEC(&p->p_stats->p_ru.ru_stime, &lwpinfo.lwp_stime);
  117         TIMEVAL_TO_TIMESPEC(&p->p_stats->p_ru.ru_utime, &lwpinfo.lwp_utime);
  118 
  119         if ((error = copyout(&lwpinfo, SCARG_P32(uap, lwpinfo),
  120                              sizeof(lwpinfo))) == -1)
  121                return error;
  122         return 0;
  123 }
  124 
  125 int
  126 svr4_32_sys__lwp_exit(struct lwp *l, const void *v, register_t *retval)
  127 {
  128 
  129         return sys__lwp_exit(l, NULL, retval);
  130 }
  131 
  132 int
  133 svr4_32_sys__lwp_wait(struct lwp *l, const struct svr4_32_sys__lwp_wait_args *uap, register_t *retval)
  134 {
  135         struct sys__lwp_wait_args ap;
  136 
  137         SCARG(&ap, wait_for) = SCARG(uap, wait_for);
  138         SCARG(&ap, departed) = SCARG_P32(uap, departed_lwp);
  139 
  140         return sys__lwp_wait(l, &ap, retval);
  141 }
  142 
  143 int
  144 svr4_32_sys__lwp_suspend(struct lwp *l, const struct svr4_32_sys__lwp_suspend_args *uap, register_t *retval)
  145 {
  146         struct sys__lwp_suspend_args ap;
  147 
  148         SCARG(&ap, target) = SCARG(uap, lwpid);
  149 
  150         return sys__lwp_suspend(l, &ap, retval);
  151 }
  152 
  153 int
  154 svr4_32_sys__lwp_continue(struct lwp *l, const struct svr4_32_sys__lwp_continue_args *uap, register_t *retval)
  155 {
  156         struct sys__lwp_continue_args ap;
  157 
  158         SCARG(&ap, target) = SCARG(uap, lwpid);
  159 
  160         return sys__lwp_continue(l, &ap, retval);
  161 }
  162 
  163 int
  164 svr4_32_sys__lwp_getprivate(struct lwp *l, const void *v, register_t *retval)
  165 {
  166         /* XXX NJWLWP: Replace with call to native version if we ever
  167          * implement that. */
  168 
  169         *retval = (register_t)l->l_private;
  170         return 0;
  171 }
  172 
  173 int
  174 svr4_32_sys__lwp_setprivate(struct lwp *l, const struct svr4_32_sys__lwp_setprivate_args *uap, register_t *retval)
  175 {
  176 #if 0
  177 
  178         /* XXX NJWLWP: Replace with call to native version if we ever
  179          * implement that. */
  180 
  181         return copyin(SCARG(uap, buffer), &l->l_private, sizeof(void *));
  182 #endif
  183         return 0;
  184 }

Cache object: 047999cfd73e7038b0fe4f4047cb16fe


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