setsid 22 nt/inc/unistd.h extern pid_t setsid (void); setsid 1916 src/emacs.c setsid (); setsid 2109 src/process.c if (setsid () < 0) setsid 4016 src/term.c if (tcgetpgrp (fd) >= 0 && setsid () < 0)