f1a6e1ead8
find . -name \*.[ch] | xargs -i emacs -batch {} \
-l /gnome/compile/libgtop/misc/format.el -f save-buffer
December 26, 1999
Martin
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/msg_limits.h>
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#include <glibtop_suid.h>
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#if (defined __bsdi__) && (_BSDI_VERSION < 199700)
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/* Older versions of BSDI don't seem to have this. */
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int
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glibtop_init_msg_limits_p (glibtop *server)
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{
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return 0;
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}
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int
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glibtop_get_msg_limits_p (glibtop *server, glibtop_msg_limits *buf)
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{
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glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_MSG_LIMITS), 0);
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memset (buf, 0, sizeof (glibtop_msg_limits));
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return 0;
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}
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#else
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/* #define KERNEL to get declaration of `struct msginfo'. */
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#if (defined __FreeBSD__) || (defined __bsdi__)
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#define KERNEL 1
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#else
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#define _KERNEL 1
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#endif
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#include <sys/ipc.h>
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#include <sys/msg.h>
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static const unsigned long _glibtop_sysdeps_msg_limits =
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(1L << GLIBTOP_MSG_LIMITS_MSGMAX) + (1L << GLIBTOP_MSG_LIMITS_MSGMNI) +
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(1L << GLIBTOP_MSG_LIMITS_MSGMNB) + (1L << GLIBTOP_MSG_LIMITS_MSGTQL) +
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(1L << GLIBTOP_MSG_LIMITS_MSGSSZ);
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/* The values in this structure never change at runtime, so we only
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* read it once during initialization. We have to use the name `_msginfo'
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* since `msginfo' is already declared external in <sys/msg.h>. */
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static struct msginfo _msginfo;
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/* nlist structure for kernel access */
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static struct nlist nlst [] = {
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{ "_msginfo" },
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{ 0 }
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};
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/* Init function. */
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int
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glibtop_init_msg_limits_p (glibtop *server)
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{
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if (kvm_nlist (server->_priv->machine.kd, nlst) != 0) {
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glibtop_warn_io_r (server, "kvm_nlist (msg_limits)");
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return -1;
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}
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if (kvm_read (server->_priv->machine.kd, nlst [0].n_value,
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&_msginfo, sizeof (_msginfo)) != sizeof (_msginfo)) {
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glibtop_warn_io_r (server, "kvm_read (msginfo)");
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return -1;
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}
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server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
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return 0;
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}
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/* Provides information about sysv ipc limits. */
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int
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glibtop_get_msg_limits_p (glibtop *server, glibtop_msg_limits *buf)
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{
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glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_MSG_LIMITS), 0);
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memset (buf, 0, sizeof (glibtop_msg_limits));
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if (server->sysdeps.msg_limits == 0)
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return -1;
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buf->msgmax = _msginfo.msgmax;
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buf->msgmni = _msginfo.msgmni;
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buf->msgmnb = _msginfo.msgmnb;
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buf->msgtql = _msginfo.msgtql;
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buf->msgssz = _msginfo.msgtql;
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buf->flags = _glibtop_sysdeps_msg_limits;
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return 0;
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}
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#endif /* either a newer BSDI or no BSDI at all. */
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