RUMP.HALT(1) BSD General Commands Manual RUMP.HALT(1)NAME
rump.halt -- halt a rump kernel
SYNOPSIS
rump.halt [-dhn]
DESCRIPTION
The rump.halt utility exits a rump kernel. The file system cache, if present, is flushed. Since a rump kernel does not control its clients,
they are not directly affected by rump.halt. However, they will be unable to request further services from the halted rump kernel.
The options are as follows:
-d Create a core dump. The core file is saved according to standard userland program coredump rules, and can be later examined with a
debugger.
-h By default the process hosting the rump kernel exits. Using this option shuts down rump kernel activity, but does not cause the
hosting process to exit.
-n Do not flush the file system cache. This option should be used with extreme caution. It can be used if a virtual disk or a virtual
processor is virtually on fire.
SEE ALSO rump(3)HISTORY
The rump.halt command appeared in NetBSD 6.0.
CAVEATS
While using -h makes it impossible to issue further system calls, it does not necessarily stop all activity in a rump kernel. It is recom-
mended this option is used only for debugging purposes.
BSD December 12, 2010 BSD
Check Out this Related Man Page
VIRT(4) BSD Kernel Interfaces Manual VIRT(4)NAME
virt -- rump virtual network interface
SYNOPSIS
#include <rump/rump.h>
int
rump_pub_virtif_create(int num);
DESCRIPTION
The virt interface acts as a link between a rump virtual kernel and a host tap(4) interface. Interface number <n> always corresponds with
the host tap interface tap<n>. All data sent by virt is written into /dev/tap<n> and all data read from /dev/tap<n> is passed as Ethernet
input to the rump virtual kernel.
A virt interface can be created in two ways:
o Programmatically by calling rump_pub_virtif_create().
o Dynamically at runtime with ifconfig(8) or equivalent using the create command.
Destroying a virt interface is possible only through ifconfig(8) destroy.
The host's tap(4) interface can be further bridged with hardware interfaces to provide full Internet access to a rump kernel.
SEE ALSO rump(3), bridge(4), tap(4), brconfig(8), ifconfig(8)BSD November 15, 2010 BSD
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Hello Friends,
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