home *** CD-ROM | disk | FTP | other *** search
/ ftp.cse.unsw.edu.au / 2014.06.ftp.cse.unsw.edu.au.tar / ftp.cse.unsw.edu.au / pub / doc / languages / perl / nutshell / ch4 / fcntl < prev    next >
Encoding:
Text File  |  1992-10-18  |  231 b   |  8 lines
  1. #!/usr/bin/perl
  2.  
  3. require "sys/fcntl.ph";
  4. open(TTY,"+>/dev/tty") || die "Can't open /dev/tty: $!\n";
  5. fileno(TTY) == 3 || die "Internal error: fd mixup";
  6. fcntl(TTY, &F_SETFL, 0)
  7.     || die "Can't clear the close-on-exec flag: $!\n";
  8.