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Full Discussion: Hang a Process
Operating Systems Linux SuSE Hang a Process Post 52948 by laila63 on Wednesday 30th of June 2004 11:18:38 AM
Old 06-30-2004
Quote:
Originally posted by Driver
You can attach to it using a debugger.

Code:
/home/stdnrw [0]> cat new.c
int
main(void) {
        sleep(10);
        puts("hello");
}
/home/stdnrw [0]> cc new.c -o new
/home/stdnrw [0]> ./new &
[1] 2468
/home/stdnrw [0]> gdb new 2468
GNU gdb 5.3
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i586-suse-linux"...
Attaching to program: /home/stdnrw/new, process 2468
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
0x400d6145 in nanosleep () from /lib/libc.so.6
(gdb) detach
Detaching from program: /home/stdnrw/new, process 2468
(gdb) hello

[1]    Exit 6                        ./new

(gdb)

I'm not sure I understand what you mean. Could you please further explain? Thanks.
 

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LEARN ABOUT XFREE86

setsid

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)
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