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Done some more work on the FreeBSD port.

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This commit is contained in:
Martin Baulig
1998-08-08 20:04:07 +00:00
parent 2d1d157fc4
commit 9cf583b2fa
8 changed files with 232 additions and 25 deletions
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38
sysdeps/freebsd/msg_limits.c
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@@ -2,7 +2,7 @@
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the Gnome Top Library.
Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
The Gnome Top Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@@ -25,9 +25,28 @@
#include <glibtop_suid.h>
/* #define KERNEL to get declaration of `struct msginfo'. */
#define KERNEL
#include <sys/ipc.h>
#include <sys/msg.h>
static const unsigned long _glibtop_sysdeps_msg_limits = 0;
static const unsigned long _glibtop_sysdeps_msg_limits =
(1 << GLIBTOP_IPC_MSGMAX) + (1 << GLIBTOP_IPC_MSGMNI) +
(1 << GLIBTOP_IPC_MSGMNB) + (1 << GLIBTOP_IPC_MSGTQL) +
(1 << GLIBTOP_IPC_MSGSSZ);
/* The values in this structure never change at runtime, so we only
* read it once during initialization. We have to use the name `_msginfo'
* since `msginfo' is already declared external in <sys/msg.h>. */
static struct msginfo _msginfo;
/* nlist structure for kernel access */
static struct nlist nlst [] = {
{ "_msginfo" },
{ 0 }
};
/* Init function. */
@@ -35,6 +54,13 @@ void
glibtop_init_msg_limits_p (glibtop *server)
{
server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
if (kvm_nlist (server->machine.kd, nlst) != 0)
glibtop_error_io_r (server, "kvm_nlist");
if (kvm_read (server->machine.kd, nlst [0].n_value,
&_msginfo, sizeof (_msginfo)) != sizeof (_msginfo))
glibtop_error_io_r (server, "kvm_read (msginfo)");
}
/* Provides information about sysv ipc limits. */
@@ -45,4 +71,12 @@ glibtop_get_msg_limits_p (glibtop *server, glibtop_msg_limits *buf)
glibtop_init_p (server, GLIBTOP_SYSDEPS_MSG_LIMITS, 0);
memset (buf, 0, sizeof (glibtop_msg_limits));
buf->msgmax = _msginfo.msgmax;
buf->msgmni = _msginfo.msgmni;
buf->msgmnb = _msginfo.msgmnb;
buf->msgtql = _msginfo.msgtql;
buf->msgssz = _msginfo.msgtql;
buf->flags = _glibtop_sysdeps_msg_limits;
}