Deal with {get,set}rlimit{,64} properly, respecting the RLIM_INFINITY,
RLIM_SAVED_MAX, and RLIM_SAVED_CUR values. We should fix our own implementation to do this and use unsigned numbers for rlim_t as solaris does.
This commit is contained in:
christos
parent
0136b1bd69
commit
298d9e0d50
@ -1,4 +1,4 @@
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# $NetBSD: files.svr4,v 1.9 1998/10/23 04:06:00 erh Exp $
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# $NetBSD: files.svr4,v 1.10 1998/11/28 21:53:02 christos Exp $
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#
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# Config file description for machine-independent SVR4 compat code.
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# Included by ports that need it.
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@ -14,6 +14,7 @@ file compat/svr4/svr4_ioctl.c compat_svr4
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file compat/svr4/svr4_ipc.c compat_svr4
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file compat/svr4/svr4_misc.c compat_svr4
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file compat/svr4/svr4_net.c compat_svr4
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file compat/svr4/svr4_resource.c compat_svr4
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file compat/svr4/svr4_signal.c compat_svr4
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file compat/svr4/svr4_socket.c compat_svr4
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file compat/svr4/svr4_sockio.c compat_svr4
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@ -1,4 +1,4 @@
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/* $NetBSD: svr4_misc.c,v 1.70 1998/11/27 15:08:50 christos Exp $ */
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/* $NetBSD: svr4_misc.c,v 1.71 1998/11/28 21:53:02 christos Exp $ */
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/*-
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* Copyright (c) 1994 The NetBSD Foundation, Inc.
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@ -715,97 +715,6 @@ svr4_sys_sysconfig(p, v, retval)
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return 0;
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}
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#define SVR4_RLIMIT_NOFILE 5 /* Other RLIMIT_* are the same */
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#define SVR4_RLIMIT_VMEM 6 /* Other RLIMIT_* are the same */
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#define SVR4_RLIM_NLIMITS 7
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int
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svr4_sys_getrlimit(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct svr4_sys_getrlimit_args *uap = v;
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struct compat_43_sys_getrlimit_args ap;
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if (SCARG(uap, which) >= SVR4_RLIM_NLIMITS)
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return EINVAL;
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if (SCARG(uap, which) == SVR4_RLIMIT_NOFILE)
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SCARG(uap, which) = RLIMIT_NOFILE;
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if (SCARG(uap, which) == SVR4_RLIMIT_VMEM)
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SCARG(uap, which) = RLIMIT_RSS;
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SCARG(&ap, which) = SCARG(uap, which);
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SCARG(&ap, rlp) = SCARG(uap, rlp);
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return compat_43_sys_getrlimit(p, &ap, retval);
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}
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int
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svr4_sys_setrlimit(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct svr4_sys_setrlimit_args *uap = v;
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struct compat_43_sys_setrlimit_args ap;
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if (SCARG(uap, which) >= SVR4_RLIM_NLIMITS)
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return EINVAL;
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if (SCARG(uap, which) == SVR4_RLIMIT_NOFILE)
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SCARG(uap, which) = RLIMIT_NOFILE;
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if (SCARG(uap, which) == SVR4_RLIMIT_VMEM)
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SCARG(uap, which) = RLIMIT_RSS;
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SCARG(&ap, which) = SCARG(uap, which);
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SCARG(&ap, rlp) = SCARG(uap, rlp);
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return compat_43_sys_setrlimit(p, uap, retval);
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}
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int
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svr4_sys_getrlimit64(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct svr4_sys_getrlimit64_args *uap = v;
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if (SCARG(uap, which) >= SVR4_RLIM_NLIMITS)
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return EINVAL;
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if (SCARG(uap, which) == SVR4_RLIMIT_NOFILE)
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SCARG(uap, which) = RLIMIT_NOFILE;
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if (SCARG(uap, which) == SVR4_RLIMIT_VMEM)
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SCARG(uap, which) = RLIMIT_RSS;
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return sys_getrlimit(p, uap, retval);
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}
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int
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svr4_sys_setrlimit64(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct svr4_sys_setrlimit64_args *uap = v;
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if (SCARG(uap, which) >= SVR4_RLIM_NLIMITS)
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return EINVAL;
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if (SCARG(uap, which) == SVR4_RLIMIT_NOFILE)
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SCARG(uap, which) = RLIMIT_NOFILE;
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if (SCARG(uap, which) == SVR4_RLIMIT_VMEM)
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SCARG(uap, which) = RLIMIT_RSS;
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return sys_setrlimit(p, uap, retval);
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}
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/* ARGSUSED */
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int
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270
sys/compat/svr4/svr4_resource.c
Normal file
270
sys/compat/svr4/svr4_resource.c
Normal file
@ -0,0 +1,270 @@
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/* $NetBSD: svr4_resource.c,v 1.1 1998/11/28 21:53:02 christos Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
|
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* 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
|
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <compat/svr4/svr4_types.h>
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#include <compat/svr4/svr4_resource.h>
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#include <compat/svr4/svr4_signal.h>
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#include <compat/svr4/svr4_syscallargs.h>
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#include <compat/svr4/svr4_util.h>
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static __inline int svr4_to_native_rl __P((int));
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static __inline int
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svr4_to_native_rl(rl)
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int rl;
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{
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switch (rl) {
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case SVR4_RLIMIT_CPU:
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return RLIMIT_CPU;
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case SVR4_RLIMIT_FSIZE:
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return RLIMIT_FSIZE;
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case SVR4_RLIMIT_DATA:
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return RLIMIT_DATA;
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case SVR4_RLIMIT_STACK:
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return RLIMIT_STACK;
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case SVR4_RLIMIT_CORE:
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return RLIMIT_CORE;
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case SVR4_RLIMIT_NOFILE:
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return RLIMIT_NOFILE;
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case SVR4_RLIMIT_VMEM:
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return RLIMIT_RSS;
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default:
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return -1;
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}
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}
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#define OKLIMIT(l) ((l) > 0 && (l) < SVR4_RLIM_INFINITY && \
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((svr4_rlim_t)(l)) != SVR4_RLIM_INFINITY && \
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((svr4_rlim_t)(l)) != SVR4_RLIM_SAVED_CUR && \
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((svr4_rlim_t)(l)) != SVR4_RLIM_SAVED_MAX)
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#define OKLIMIT64(l) ((l) > 0 && (l) < RLIM_INFINITY && \
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((svr4_rlim64_t)(l)) != SVR4_RLIM64_INFINITY && \
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((svr4_rlim64_t)(l)) != SVR4_RLIM64_SAVED_CUR && \
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((svr4_rlim64_t)(l)) != SVR4_RLIM64_SAVED_MAX)
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int
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svr4_sys_getrlimit(p, v, retval)
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register struct proc *p;
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void *v;
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register_t *retval;
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{
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struct svr4_sys_getrlimit_args *uap = v;
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int rl = svr4_to_native_rl(SCARG(uap, which));
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struct rlimit *limp;
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struct svr4_rlimit lim;
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if (rl == -1)
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return EINVAL;
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limp = &p->p_rlimit[rl];
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/*
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* If the limit can be be represented, it is returned.
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* Otherwise, if rlim_cur == rlim_max, return RLIM_SAVED_MAX
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* else return RLIM_SAVED_CUR
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*/
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if (limp->rlim_max == RLIM_INFINITY)
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lim.rlim_max = SVR4_RLIM_INFINITY;
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else if (OKLIMIT(limp->rlim_max))
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lim.rlim_max = (svr4_rlim_t) limp->rlim_max;
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else
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lim.rlim_max = SVR4_RLIM_SAVED_MAX;
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if (limp->rlim_cur == RLIM_INFINITY)
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lim.rlim_cur = SVR4_RLIM_INFINITY;
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else if (OKLIMIT(limp->rlim_cur))
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lim.rlim_cur = (svr4_rlim_t) limp->rlim_cur;
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else if (limp->rlim_max == limp->rlim_cur)
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lim.rlim_cur = SVR4_RLIM_SAVED_MAX;
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else
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lim.rlim_cur = SVR4_RLIM_SAVED_CUR;
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return copyout(&lim, SCARG(uap, rlp), sizeof(*SCARG(uap, rlp)));
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}
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int
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svr4_sys_setrlimit(p, v, retval)
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register struct proc *p;
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void *v;
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register_t *retval;
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{
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struct svr4_sys_setrlimit_args *uap = v;
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int rl = svr4_to_native_rl(SCARG(uap, which));
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struct rlimit alim, *limp;
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struct svr4_rlimit lim;
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int error;
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if (rl == -1)
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return EINVAL;
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limp = &p->p_rlimit[rl];
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if ((error = copyin(SCARG(uap, rlp), &lim, sizeof(lim))) != 0)
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return error;
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/*
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* if the limit is SVR4_RLIM_INFINITY, then we set it to our
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* unlimited.
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* We should also: If it is SVR4_RLIM_SAVED_MAX, we should set the
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* new limit to the corresponding saved hard limit, and if
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* it is equal to SVR4_RLIM_SAVED_CUR, we should set it to the
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* corresponding saved soft limit.
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*
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*/
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if (lim.rlim_max == SVR4_RLIM64_INFINITY)
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alim.rlim_max = RLIM_INFINITY;
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else if (OKLIMIT(lim.rlim_max))
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alim.rlim_max = (rlim_t) lim.rlim_max;
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else if (lim.rlim_max == SVR4_RLIM_SAVED_MAX)
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alim.rlim_max = limp->rlim_max;
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else if (lim.rlim_max == SVR4_RLIM_SAVED_CUR)
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alim.rlim_max = limp->rlim_cur;
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if (lim.rlim_cur == SVR4_RLIM_INFINITY)
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alim.rlim_cur = RLIM_INFINITY;
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else if (OKLIMIT(lim.rlim_cur))
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alim.rlim_cur = (rlim_t) lim.rlim_cur;
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else if (lim.rlim_cur == SVR4_RLIM_SAVED_MAX)
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alim.rlim_cur = limp->rlim_max;
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else if (lim.rlim_cur == SVR4_RLIM_SAVED_CUR)
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alim.rlim_cur = limp->rlim_cur;
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*retval = 0;
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return dosetrlimit(p, rl, &alim);
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}
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int
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svr4_sys_getrlimit64(p, v, retval)
|
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register struct proc *p;
|
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void *v;
|
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register_t *retval;
|
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{
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struct svr4_sys_getrlimit64_args *uap = v;
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int rl = svr4_to_native_rl(SCARG(uap, which));
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struct rlimit *limp;
|
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struct svr4_rlimit64 lim;
|
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|
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if (rl == -1)
|
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return EINVAL;
|
||||
|
||||
limp = &p->p_rlimit[rl];
|
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|
||||
/*
|
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* If the limit can be be represented, it is returned.
|
||||
* Otherwise, if rlim_cur == rlim_max, return SVR4_RLIM_SAVED_MAX
|
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* else return SVR4_RLIM_SAVED_CUR
|
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*/
|
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if (limp->rlim_max == RLIM_INFINITY)
|
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lim.rlim_max = SVR4_RLIM64_INFINITY;
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else if (OKLIMIT64(limp->rlim_max))
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lim.rlim_max = (svr4_rlim64_t) limp->rlim_max;
|
||||
else
|
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lim.rlim_max = SVR4_RLIM64_SAVED_MAX;
|
||||
|
||||
if (limp->rlim_cur == RLIM_INFINITY)
|
||||
lim.rlim_cur = SVR4_RLIM64_INFINITY;
|
||||
else if (OKLIMIT64(limp->rlim_cur))
|
||||
lim.rlim_cur = (svr4_rlim64_t) limp->rlim_cur;
|
||||
else if (limp->rlim_max == limp->rlim_cur)
|
||||
lim.rlim_cur = SVR4_RLIM64_SAVED_MAX;
|
||||
else
|
||||
lim.rlim_cur = SVR4_RLIM64_SAVED_CUR;
|
||||
|
||||
return copyout(&lim, SCARG(uap, rlp), sizeof(*SCARG(uap, rlp)));
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
svr4_sys_setrlimit64(p, v, retval)
|
||||
register struct proc *p;
|
||||
void *v;
|
||||
register_t *retval;
|
||||
{
|
||||
struct svr4_sys_setrlimit64_args *uap = v;
|
||||
int rl = svr4_to_native_rl(SCARG(uap, which));
|
||||
struct rlimit alim, *limp;
|
||||
struct svr4_rlimit64 lim;
|
||||
int error;
|
||||
|
||||
if (rl == -1)
|
||||
return EINVAL;
|
||||
|
||||
limp = &p->p_rlimit[rl];
|
||||
|
||||
if ((error = copyin(SCARG(uap, rlp), &lim, sizeof(lim))) != 0)
|
||||
return error;
|
||||
|
||||
/*
|
||||
* if the limit is SVR4_RLIM64_INFINITY, then we set it to our
|
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* unlimited.
|
||||
* We should also: If it is SVR4_RLIM64_SAVED_MAX, we should set the
|
||||
* new limit to the corresponding saved hard limit, and if
|
||||
* it is equal to SVR4_RLIM64_SAVED_CUR, we should set it to the
|
||||
* corresponding saved soft limit.
|
||||
*
|
||||
*/
|
||||
if (lim.rlim_max == SVR4_RLIM_INFINITY)
|
||||
alim.rlim_max = RLIM_INFINITY;
|
||||
else if (OKLIMIT64(lim.rlim_max))
|
||||
alim.rlim_max = (rlim_t) lim.rlim_max;
|
||||
else if (lim.rlim_max == SVR4_RLIM64_SAVED_MAX)
|
||||
alim.rlim_max = limp->rlim_max;
|
||||
else if (lim.rlim_max == SVR4_RLIM64_SAVED_CUR)
|
||||
alim.rlim_max = limp->rlim_cur;
|
||||
|
||||
if (lim.rlim_cur == SVR4_RLIM64_INFINITY)
|
||||
alim.rlim_cur = RLIM_INFINITY;
|
||||
else if (OKLIMIT64(lim.rlim_cur))
|
||||
alim.rlim_cur = (rlim_t) lim.rlim_cur;
|
||||
else if (lim.rlim_cur == SVR4_RLIM64_SAVED_MAX)
|
||||
alim.rlim_cur = limp->rlim_max;
|
||||
else if (lim.rlim_cur == SVR4_RLIM64_SAVED_CUR)
|
||||
alim.rlim_cur = limp->rlim_cur;
|
||||
|
||||
*retval = 0;
|
||||
return dosetrlimit(p, rl, &alim);
|
||||
}
|
||||
74
sys/compat/svr4/svr4_resource.h
Normal file
74
sys/compat/svr4/svr4_resource.h
Normal file
@ -0,0 +1,74 @@
|
||||
/* $NetBSD: svr4_resource.h,v 1.1 1998/11/28 21:53:02 christos Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 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.
|
||||
*/
|
||||
|
||||
#ifndef _SVR4_RESOURCE_H_
|
||||
#define _SVR4_RESOURCE_H_
|
||||
|
||||
#define SVR4_RLIMIT_CPU 0
|
||||
#define SVR4_RLIMIT_FSIZE 1
|
||||
#define SVR4_RLIMIT_DATA 2
|
||||
#define SVR4_RLIMIT_STACK 3
|
||||
#define SVR4_RLIMIT_CORE 4
|
||||
#define SVR4_RLIMIT_NOFILE 5
|
||||
#define SVR4_RLIMIT_VMEM 6
|
||||
#define SVR4_RLIMIT_AS SVR4_RLIMIT_VMEM
|
||||
#define SVR4_RLIM_NLIMITS 7
|
||||
|
||||
typedef u_int32_t svr4_rlim_t;
|
||||
|
||||
#define SVR4_RLIM_SAVED_CUR 0x7ffffffd
|
||||
#define SVR4_RLIM_SAVED_MAX 0x7ffffffe
|
||||
#define SVR4_RLIM_INFINITY 0x7fffffff
|
||||
|
||||
struct svr4_rlimit {
|
||||
svr4_rlim_t rlim_cur;
|
||||
svr4_rlim_t rlim_max;
|
||||
};
|
||||
|
||||
typedef u_int64_t svr4_rlim64_t;
|
||||
|
||||
#define SVR4_RLIM64_SAVED_CUR ((svr4_rlim64_t) -1)
|
||||
#define SVR4_RLIM64_SAVED_MAX ((svr4_rlim64_t) -2)
|
||||
#define SVR4_RLIM64_INFINITY ((svr4_rlim64_t) -3)
|
||||
|
||||
struct svr4_rlimit64 {
|
||||
svr4_rlim64_t rlim_cur;
|
||||
svr4_rlim64_t rlim_max;
|
||||
};
|
||||
|
||||
#endif /* !_SVR4_RESOURCE_H_ */
|
||||
@ -1,4 +1,4 @@
|
||||
$NetBSD: syscalls.master,v 1.38 1998/11/27 15:08:50 christos Exp $
|
||||
$NetBSD: syscalls.master,v 1.39 1998/11/28 21:53:02 christos Exp $
|
||||
|
||||
; @(#)syscalls.master 8.1 (Berkeley) 7/19/93
|
||||
|
||||
@ -46,6 +46,7 @@
|
||||
#include <compat/svr4/svr4_ucontext.h>
|
||||
#include <compat/svr4/svr4_syscallargs.h>
|
||||
#include <compat/svr4/svr4_statvfs.h>
|
||||
#include <compat/svr4/svr4_resource.h>
|
||||
#include <compat/svr4/svr4_acl.h>
|
||||
|
||||
0 NOARGS { int sys_nosys(void); } syscall
|
||||
@ -224,9 +225,9 @@
|
||||
svr4_mode_t mode, svr4_dev_t dev); }
|
||||
127 UNIMPL clocal
|
||||
128 STD { int svr4_sys_setrlimit(int which, \
|
||||
const struct orlimit *rlp); }
|
||||
const struct svr4_rlimit *rlp); }
|
||||
129 STD { int svr4_sys_getrlimit(int which, \
|
||||
struct orlimit *rlp); }
|
||||
struct svr4_rlimit *rlp); }
|
||||
130 NOARGS { int sys___posix_lchown(char *path, int uid, \
|
||||
int gid); } lchown
|
||||
131 STD { int svr4_sys_memcntl(void * addr, \
|
||||
@ -345,9 +346,9 @@
|
||||
219 STD { int svr4_sys_fstatvfs64(int fd, \
|
||||
struct svr4_statvfs64 *fs); }
|
||||
220 STD { int svr4_sys_setrlimit64(int which, \
|
||||
const struct rlimit *rlp); }
|
||||
const struct svr4_rlimit64 *rlp); }
|
||||
221 STD { int svr4_sys_getrlimit64(int which, \
|
||||
struct rlimit *rlp); }
|
||||
struct svr4_rlimit64 *rlp); }
|
||||
222 STD { ssize_t svr4_sys_pread64(int fd, void *buf, \
|
||||
size_t nbyte, svr4_off64_t off); }
|
||||
223 STD { ssize_t svr4_sys_pwrite64(int fd, \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user