Home | History | Annotate | Line # | Download | only in netbsd32
netbsd32_lwp.c revision 1.1.6.4
      1 /*	$NetBSD: netbsd32_lwp.c,v 1.1.6.4 2007/03/24 14:55:15 yamt Exp $	*/
      2 
      3 /*
      4  *  Copyright (c) 2005, 2006, 2007 The NetBSD Foundation.
      5  *  All rights reserved.
      6  *
      7  *  This code is derived from software contributed to the NetBSD Foundation
      8  *   by Quentin Garnier.
      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  *  3. Neither the name of The NetBSD Foundation nor the names of its
     19  *     contributors may be used to endorse or promote products derived
     20  *     from this software without specific prior written permission.
     21  *
     22  *  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23  *  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  *  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26  *  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  *  POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/cdefs.h>
     36 __KERNEL_RCSID(0, "$NetBSD: netbsd32_lwp.c,v 1.1.6.4 2007/03/24 14:55:15 yamt Exp $");
     37 
     38 #include <sys/types.h>
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/kernel.h>
     42 #include <sys/dirent.h>
     43 #include <sys/mount.h>
     44 #include <sys/proc.h>
     45 #include <sys/syscallargs.h>
     46 
     47 #include <compat/netbsd32/netbsd32.h>
     48 #include <compat/netbsd32/netbsd32_syscallargs.h>
     49 #include <compat/netbsd32/netbsd32_conv.h>
     50 
     51 /* Sycalls conversion */
     52 
     53 int
     54 netbsd32__lwp_create(struct lwp *l, void *v, register_t *retval)
     55 {
     56 	struct netbsd32__lwp_create_args /* {
     57 		syscallarg(const netbsd32_ucontextp) ucp;
     58 		syscallarg(netbsd32_u_long) flags;
     59 		syscallarg(netbsd32_lwpidp) new_lwp;
     60 	} */ *uap = v;
     61 	struct sys__lwp_create_args ua;
     62 
     63 	NETBSD32TOP_UAP(ucp, const ucontext_t);
     64 	NETBSD32TO64_UAP(flags);
     65 	NETBSD32TOP_UAP(new_lwp, lwpid_t);
     66 
     67 	return sys__lwp_create(l, &ua, retval);
     68 }
     69 
     70 int
     71 netbsd32__lwp_wait(struct lwp *l, void *v, register_t *retval)
     72 {
     73 	struct netbsd32__lwp_wait_args /* {
     74 		syscallarg(lwpid_t) wait_for;
     75 		syscallarg(netbsd32_lwpidp) departed;
     76 	} */ *uap = v;
     77 	struct sys__lwp_wait_args ua;
     78 
     79 	NETBSD32TO64_UAP(wait_for);
     80 	NETBSD32TOP_UAP(departed, lwpid_t);
     81 	return sys__lwp_wait(l, &ua, retval);
     82 }
     83 
     84 int
     85 netbsd32__lwp_suspend(struct lwp *l, void *v, register_t *retval)
     86 {
     87 	struct netbsd32__lwp_suspend_args /* {
     88 		syscallarg(lwpid_t) target;
     89 	} */ *uap = v;
     90 	struct sys__lwp_suspend_args ua;
     91 
     92 	NETBSD32TO64_UAP(target);
     93 	return sys__lwp_suspend(l, &ua, retval);
     94 }
     95 
     96 int
     97 netbsd32__lwp_continue(struct lwp *l, void *v, register_t *retval)
     98 {
     99 	struct netbsd32__lwp_continue_args /* {
    100 		syscallarg(lwpid_t) target;
    101 	} */ *uap = v;
    102 	struct sys__lwp_continue_args ua;
    103 
    104 	NETBSD32TO64_UAP(target);
    105 	return sys__lwp_continue(l, &ua, retval);
    106 }
    107 
    108 int
    109 netbsd32__lwp_wakeup(struct lwp *l, void *v, register_t *retval)
    110 {
    111 	struct netbsd32__lwp_wakeup_args /* {
    112 		syscallarg(lwpid_t) target;
    113 	} */ *uap = v;
    114 	struct sys__lwp_wakeup_args ua;
    115 
    116 	NETBSD32TO64_UAP(target);
    117 	return sys__lwp_wakeup(l, &ua, retval);
    118 }
    119 
    120 int
    121 netbsd32__lwp_setprivate(struct lwp *l, void *v, register_t *retval)
    122 {
    123 	struct netbsd32__lwp_setprivate_args /* {
    124 		syscallarg(netbsd32_voidp) ptr;
    125 	} */ *uap = v;
    126 	struct sys__lwp_setprivate_args ua;
    127 
    128 	NETBSD32TOP_UAP(ptr, void);
    129 	return sys__lwp_setprivate(l, &ua, retval);
    130 }
    131 
    132 int
    133 netbsd32__lwp_park(struct lwp *l, void *v, register_t *retval)
    134 {
    135 	struct netbsd32__lwp_park_args /* {
    136 		syscallarg(const netbsd32_timespecp) ts;
    137 		syscallarg(netbsd32_ucontextp) ucp;
    138 		syscallarg(netbsd32_voidp) hint;
    139 	} */ *uap = v;
    140 	struct sys__lwp_park_args ua;
    141 	struct timespec *tsp = NULL;
    142 
    143 	if (SCARG_P32(uap, ts)) {
    144 		struct timespec ts;
    145 		struct netbsd32_timespec ts32;
    146 		int error;
    147 		void *sg;
    148 
    149 		if ((error = copyin(SCARG_P32(uap, ts), &ts32,
    150 		    sizeof ts32)) != 0)
    151 			return error;
    152 		netbsd32_to_timespec(&ts32, &ts);
    153 
    154 		sg = stackgap_init(l->l_proc, sizeof(ts));
    155 		tsp = (struct timespec *)stackgap_alloc(l->l_proc, &sg,
    156 		    sizeof(ts));
    157 		if ((error = copyout(&ts, tsp, sizeof(ts))) != 0)
    158 			return error;
    159 	}
    160 
    161 	/*
    162 	 * sys__lwp_park() ignores the ucontext_t argument, so we won't be
    163 	 * doing anything to it for now.  While that situation could change,
    164 	 * there's still a good chance it will only be considered as an
    165 	 * opaque value.
    166 	 */
    167 
    168 	SCARG(&ua, ts) = tsp;
    169 	NETBSD32TOP_UAP(ucp, ucontext_t);
    170 	NETBSD32TOP_UAP(hint, void);
    171 	return sys__lwp_park(l, &ua, retval);
    172 }
    173 
    174 int
    175 netbsd32__lwp_kill(struct lwp *l, void *v, register_t *retval)
    176 {
    177 	struct netbsd32__lwp_kill_args /* {
    178 		syscallarg(lwpid_t) target;
    179 		syscallarg(int) signo;
    180 	} */ *uap = v;
    181 	struct sys__lwp_kill_args ua;
    182 
    183 	NETBSD32TO64_UAP(target);
    184 	NETBSD32TO64_UAP(signo);
    185 	return sys__lwp_kill(l, &ua, retval);
    186 }
    187 int
    188 netbsd32__lwp_detach(struct lwp *l, void *v, register_t *retval)
    189 {
    190 	struct netbsd32__lwp_detach_args /* {
    191 		syscallarg(lwpid_t) target;
    192 	} */ *uap = v;
    193 	struct sys__lwp_detach_args ua;
    194 
    195 	NETBSD32TO64_UAP(target);
    196 	return sys__lwp_detach(l, &ua, retval);
    197 }
    198 
    199 int
    200 netbsd32__lwp_unpark(struct lwp *l, void *v, register_t *retval)
    201 {
    202 	struct netbsd32__lwp_unpark_args /* {
    203 		syscallarg(lwpid_t) target;
    204 		syscallarg(netbsd32_voidp) hint;
    205 	} */ *uap = v;
    206 	struct sys__lwp_unpark_args ua;
    207 
    208 	NETBSD32TO64_UAP(target);
    209 	NETBSD32TOP_UAP(hint, void);
    210 	return sys__lwp_unpark(l, &ua, retval);
    211 }
    212 
    213 int
    214 netbsd32__lwp_unpark_all(struct lwp *l, void *v, register_t *retval)
    215 {
    216 	struct netbsd32__lwp_unpark_all_args /* {
    217 		syscallarg(const netbsd32_lwpidp) targets;
    218 		syscallarg(netbsd32_size_t) ntargets;
    219 		syscallarg(netbsd32_voidp) hint;
    220 	} */ *uap = v;
    221 	struct sys__lwp_unpark_all_args ua;
    222 
    223 	NETBSD32TOP_UAP(targets, const lwpid_t);
    224 	NETBSD32TOX_UAP(ntargets, size_t);
    225 	NETBSD32TOP_UAP(hint, void);
    226 	return sys__lwp_unpark_all(l, &ua, retval);
    227 }
    228