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Homework and Emergencies Emergency UNIX and Linux Support signal between parent process and child process Post 302563114 by Pallavi Tiwari on Monday 10th of October 2011 06:45:32 AM
Old 10-10-2011
Can somebody please tell me the output of this program?

main()
{
int i;
setpgrp();
for(i=0;i,10;i++)
{
if(fork()==0)
{
stepgrp();
pause();
}
if(fork()==0)
pause();
}
kill(0, SIGINT);
}
 

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setpgrp(1)							   User Commands							setpgrp(1)

NAME
setpgrp - set process group ID SYNOPSIS
setpgrp command [arg...] DESCRIPTION
If the current process is not already a session leader, the setpgrp utility sets the process group ID and session ID to the current process ID and does an exec() of command and its argument(s), if any. OPERANDS
The following operands are supported: command The name of a command to be invoked. arg An option or argument to command. EXIT STATUS
The following exit values are returned: 1 Error executing the setpgrp utility or during exec() of command. Otherwise, the exit status will be that of command. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
exec(2), setpgrp(2), attributes(5) SunOS 5.10 5 Jan 2000 setpgrp(1)
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