09-12-2007
ioctl TIOCSCTTY always returns -1 (Operation not permitted) even if I am super user.
Is it even possible to receive SIGINT from serial driver without being super user?
Last edited by gzz; 09-12-2007 at 08:49 AM..
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SETSID(1) User Commands SETSID(1)
NAME
setsid - run a program in a new session
SYNOPSIS
setsid [options] program [arguments]
DESCRIPTION
setsid runs a program in a new session. The command calls fork(2) if already a process group leader. Otherwise, it executes a program in
the current process.
OPTIONS
-c, --ctty
Set the controlling terminal to the current one.
-w, --wait
Wait for the execution of the program to end, and return the exit value of this program as the return value of setsid.
-V, --version
Display version information and exit.
-h, --help
Display help text and exit.
SEE ALSO
setsid(2)
AUTHOR
Rick Sladkey <jrs@world.std.com>
AVAILABILITY
The setsid command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/.
util-linux July 2014 SETSID(1)