e8a3a40691
1999-05-08 Martin Baulig <martin@home-of-linux.org> * shm_limits.c, msg_limits.c, sem_limits.c: Moved them into the setgid server since they need to access kvm data. * open_suid.c, close_suid.c: New file. We do the initialization and cleanup for the setgid server here. * glibtop_suid.h: New file. We include this in the setgid files. * open.c: Moved kvm opening code into open_suid.c.
75 lines
2.2 KiB
C
75 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 <kvm.h>
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#include <sys/msg.h>
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static struct nlist nlst[] = { {"msginfo"}, {NULL} };
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static const unsigned long _glibtop_sysdeps_msg_limits =
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(1L << GLIBTOP_IPC_MSGPOOL) + (1L << GLIBTOP_IPC_MSGMAP) +
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(1L << GLIBTOP_IPC_MSGMAX) + (1L << GLIBTOP_IPC_MSGMNB) +
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(1L << GLIBTOP_IPC_MSGMNI) + (1L << GLIBTOP_IPC_MSGSSZ) +
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(1L << GLIBTOP_IPC_MSGTQL);
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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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kvm_t *kd = server->machine.kd;
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if(kd && !kvm_nlist(kd, nlst))
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server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
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else
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server->sysdeps.msg_limits = 0;
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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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kvm_t *kd = server->machine.kd;
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struct msginfo minfo;
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memset (buf, 0, sizeof (glibtop_msg_limits));
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if(!(server->sysdeps.msg_limits))
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return;
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if(kvm_read(kd, nlst[0].n_value, (void *)&minfo,
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sizeof(struct msginfo)) != sizeof(struct msginfo))
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return;
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buf->msgmap = minfo.msgmap;
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buf->msgmax = minfo.msgmax;
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buf->msgmnb = minfo.msgmnb;
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buf->msgmni = minfo.msgmni;
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buf->msgssz = minfo.msgssz;
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buf->msgtql = minfo.msgtql;
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buf->msgpool = minfo.msgmni * minfo.msgmnb >> 10;
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buf->flags = _glibtop_sysdeps_msg_limits;
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}
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