cf611f9157
1999-02-22 Martin Baulig <martin@home-of-linux.org> Set the copyright of LibGTop to the GNU General Public License. * copyright.txt: Set the year to 1998-99 and pretty-format it a little bit. Same in all C source and header files.
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* $Id$ */
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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>, April 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/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_MSGMAP) + (1 << GLIBTOP_IPC_MSGMAX) +
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(1 << GLIBTOP_IPC_MSGMNB) + (1 << GLIBTOP_IPC_MSGMNI) +
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(1 << GLIBTOP_IPC_MSGSSZ) + (1 << GLIBTOP_IPC_MSGTQL);
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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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struct msginfo msginfo;
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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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/* !!! THE FOLLOWING CODE RUNS SGID KMEM - CHANGE WITH CAUTION !!! */
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setregid (server->machine.gid, server->machine.egid);
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/* get the load average array */
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(void) _glibtop_getkval (server, _glibtop_nlist [X_MSGINFO].n_value,
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(int *) &msginfo, sizeof (msginfo),
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_glibtop_nlist [X_MSGINFO].n_name);
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if (setregid (server->machine.egid, server->machine.gid))
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_exit (1);
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/* !!! END OF SGID KMEM PART !!! */
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buf->msgmap = msginfo.msgmap;
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buf->msgmax = msginfo.msgmax;
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buf->msgmnb = msginfo.msgmnb;
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buf->msgmni = msginfo.msgmni;
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buf->msgssz = msginfo.msgssz;
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buf->msgtql = msginfo.msgtql;
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buf->flags = _glibtop_sysdeps_msg_limits;
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}
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