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Full Discussion: What is siginitsetinv
Operating Systems Linux What is siginitsetinv Post 302275851 by jim mcnamara on Monday 12th of January 2009 10:19:57 AM
Old 01-12-2009
I do not know much about it - it is called to block all the signals except those in the second argument (OR'ed list of signal values), for the first process context argument.

It is called in drivers during setting up kernel threads. More than that I do not know.
 
CTRLALTDEL(8)						     Linux Programmer's Manual						     CTRLALTDEL(8)

NAME
ctrlaltdel - set the function of the Ctrl-Alt-Del combination SYNOPSIS
ctrlaltdel hard|soft DESCRIPTION
Based on examination of the linux/kernel/sys.c code, it is clear that there are two supported functions that the Ctrl-Alt-Del sequence can perform: a hard reset, which immediately reboots the computer without calling sync(2) and without any other preparation; and a soft reset, which sends the SIGINT (interrupt) signal to the init process (this is always the process with PID 1). If this option is used, the init(8) program must support this feature. Since there are now several init(8) programs in the Linux community, please consult the documentation for the version that you are currently using. ctrlaltdel is usually used in the /etc/rc.local file. FILES
/etc/rc.local SEE ALSO
simpleinit(8), init(8) AUTHOR
Peter Orbaek (poe@daimi.aau.dk) AVAILABILITY
The ctrlaltdel command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. Linux 1.2 25 October 1993 CTRLALTDEL(8)
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