FreeBSD/Linux Kernel Cross Reference
sys/compat/svr4/svr4_lwp.c

     /*      $NetBSD: svr4_lwp.c,v 1.13 2006/11/16 01:32:44 christos Exp $   */
     
     /*-
      * Copyright (c) 1999 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Christos Zoulas.
      *
     * 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 the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * 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: svr4_lwp.c,v 1.13 2006/11/16 01:32:44 christos Exp $");
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/systm.h>
    #include <sys/queue.h>
    #include <sys/mbuf.h>
    #include <sys/file.h>
    #include <sys/mount.h>
    #include <sys/time.h>
    #include <sys/resourcevar.h>
    #include <sys/proc.h>
    #include <sys/user.h>
    #include <sys/socket.h>
    #include <sys/socketvar.h>
    #include <sys/sa.h>
    #include <sys/syscallargs.h>
    #include <sys/un.h>
    #include <sys/stat.h>
    
    #include <compat/svr4/svr4_types.h>
    #include <compat/svr4/svr4_util.h>
    #include <compat/svr4/svr4_socket.h>
    #include <compat/svr4/svr4_signal.h>
    #include <compat/svr4/svr4_sockmod.h>
    #include <compat/svr4/svr4_lwp.h>
    #include <compat/svr4/svr4_ucontext.h>
    #include <compat/svr4/svr4_syscallargs.h>
    
    
    int
    svr4_sys__lwp_self(l, v, retval)
            struct lwp *l;
            void *v;
            register_t *retval;
    {
            return sys__lwp_self(l, v, retval);
    }
    
    int
    svr4_sys__lwp_create(l, v, retval)
            struct lwp *l;
            void *v;
            register_t *retval;
    {
            struct svr4_sys__lwp_create_args *uap = v;
            struct sys__lwp_create_args lc;
            int flags;
    
            flags = 0;
    
            if (SCARG(uap, flags) & SVR4_LWP_DETACHED)
                flags  &= LWP_DETACHED;
    
            if (SCARG(uap, flags) & SVR4_LWP_SUSPENDED)
                flags  &= LWP_SUSPENDED;
    
            if (SCARG(uap, flags) & SVR4___LWP_ASLWP) {
                    /* XXX Punt! */
            }
   
   
           /* XXX At the moment, svr4_ucontext_t and ucontext_t are the same */
           SCARG(&lc, ucp) = (ucontext_t *)SCARG(uap, uc);
           SCARG(&lc, flags) = flags;
           SCARG(&lc, new_lwp) = (lwpid_t *)SCARG(uap, lwpid);
   
   
           return sys__lwp_create(l, &lc, retval);
   }
   
   int
   svr4_sys__lwp_kill(l, v, retval)
           struct lwp *l;
           void *v;
           register_t *retval;
   {
           struct svr4_sys__lwp_kill_args *uap = v;
           struct sys_kill_args ap;
           SCARG(&ap, pid) = SCARG(uap, lwpid);
           SCARG(&ap, signum) = SCARG(uap, signum);
   
           /* XXX NJWLWP */
           return sys_kill(l, &ap, retval);
   }
   
   int
   svr4_sys__lwp_info(struct lwp *l, void *v, register_t *retval)
   {
           struct svr4_sys__lwp_info_args *uap = v;
           struct svr4_lwpinfo lwpinfo;
           int error;
   
           /* XXX NJWLWP */
           TIMEVAL_TO_TIMESPEC(&l->l_proc->p_stats->p_ru.ru_stime, &lwpinfo.lwp_stime);
           TIMEVAL_TO_TIMESPEC(&l->l_proc->p_stats->p_ru.ru_utime, &lwpinfo.lwp_utime);
   
           if ((error = copyout(&lwpinfo, SCARG(uap, lwpinfo), sizeof(lwpinfo))) ==
               -1)
                  return error;
           return 0;
   }
   
   int
   svr4_sys__lwp_exit(struct lwp *l, void *v, register_t *retval)
   {
   
           return sys__lwp_exit(l, NULL, retval);
   }
   
   int
   svr4_sys__lwp_wait(l, v, retval)
           struct lwp *l;
           void *v;
           register_t *retval;
   {
           struct svr4_sys__lwp_wait_args *uap = v;
           struct sys__lwp_wait_args ap;
   
           SCARG(&ap, wait_for) = SCARG(uap, wait_for);
           SCARG(&ap, departed) = (lwpid_t *)SCARG(uap, departed_lwp);
   
           return sys__lwp_wait(l, &ap, retval);
   }
   
   int
   svr4_sys__lwp_suspend(l, v, retval)
           struct lwp *l;
           void *v;
           register_t *retval;
   {
           struct svr4_sys__lwp_suspend_args *uap = v;
           struct sys__lwp_suspend_args ap;
   
           SCARG(&ap, target) = SCARG(uap, lwpid);
   
           return sys__lwp_suspend(l, &ap, retval);
   }
   
   
   int
   svr4_sys__lwp_continue(l, v, retval)
           struct lwp *l;
           void *v;
           register_t *retval;
   {
           struct svr4_sys__lwp_continue_args *uap = v;
           struct sys__lwp_continue_args ap;
   
           SCARG(&ap, target) = SCARG(uap, lwpid);
   
           return sys__lwp_continue(l, &ap, retval);
   }
   
   int
   svr4_sys__lwp_getprivate(struct lwp *l, void *v, register_t *retval)
   {
           /* XXX NJWLWP: Replace with call to native version if we ever
            * implement that. */
   
           *retval = (register_t)l->l_private;
           return 0;
   }
   
   int
   svr4_sys__lwp_setprivate(struct lwp *l, void *v, register_t *retval)
   {
           struct svr4_sys__lwp_setprivate_args *uap = v;
   
           /* XXX NJWLWP: Replace with call to native version if we ever
            * implement that. */
   
           return copyin(SCARG(uap, buffer), &l->l_private, sizeof(void *));
   }

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