9d0aa0fdc1
1998-08-24 Martin Baulig <martin@home-of-linux.org> * *.c (glibtop_init_p): Using correct `(1 << GLIBTOP_SYSDPES_*)'. * cpu.c, mem.c: Removed `const' from sysctl () constants to keep compiler happy. * procmem.c: Added missing call to `glibtop_init_p'. * prockernel.c: Casting `nwchan' to `unsigned long' since this normally has the same size than a pointer. Well, is there a FreeBSD for 64bit architectures ?
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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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/* #define KERNEL to get declaration of `struct msginfo'. */
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#define KERNEL
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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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(1 << GLIBTOP_IPC_MSGMAX) + (1 << GLIBTOP_IPC_MSGMNI) +
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(1 << GLIBTOP_IPC_MSGMNB) + (1 << GLIBTOP_IPC_MSGTQL) +
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(1 << GLIBTOP_IPC_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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void
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glibtop_init_msg_limits_p (glibtop *server)
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{
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server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
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if (kvm_nlist (server->machine.kd, nlst) != 0)
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glibtop_error_io_r (server, "kvm_nlist");
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if (kvm_read (server->machine.kd, nlst [0].n_value,
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&_msginfo, sizeof (_msginfo)) != sizeof (_msginfo))
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glibtop_error_io_r (server, "kvm_read (msginfo)");
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}
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/* Provides information about sysv ipc limits. */
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void
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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, (1 << GLIBTOP_SYSDEPS_MSG_LIMITS), 0);
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memset (buf, 0, sizeof (glibtop_msg_limits));
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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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}
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