jobs.py 文件源码

def _give_terminal_to(pgid):
        # over-simplified version of:
        #    give_terminal_to from bash 4.3 source, jobs.c, line 4030
        # this will give the terminal to the process group pgid
        if _shell_tty is not None and os.isatty(_shell_tty):
            oldmask = signal.pthread_sigmask(signal.SIG_BLOCK, _block_when_giving)
            os.tcsetpgrp(_shell_tty, pgid)
            signal.pthread_sigmask(signal.SIG_SETMASK, oldmask)