我们从Python开源项目中，提取了以下25个代码示例，用于说明如何使用os.forkpty()。
def forkpty_gevent(): """ Forks the process using :func:`os.forkpty` and prepares the child process to continue using gevent before returning. Returns a tuple (pid, master_fd). The `master_fd` is *not* put into non-blocking mode. Availability: Some Unix systems. .. seealso:: This function has the same limitations as :func:`fork_gevent`. .. versionadded:: 1.1b5 """ pid, master_fd = _raw_forkpty() if not pid: reinit() return pid, master_fd
def forkpty_and_watch(callback=None, loop=None, ref=False, forkpty=forkpty_gevent): """ Like :func:`fork_and_watch`, except using :func:`forkpty_gevent`. Availability: Some Unix systems. .. versionadded:: 1.1b5 """ result = [] def _fork(): pid_and_fd = forkpty() result.append(pid_and_fd) return pid_and_fd[0] fork_and_watch(callback, loop, ref, _fork) return result[0]
def fork(): """fork() -> (pid, master_fd) Fork and make the child a session leader with a controlling terminal.""" try: pid, fd = os.forkpty() except (AttributeError, OSError): pass else: if pid == CHILD: try: os.setsid() except OSError: # os.forkpty() already set us session leader pass return pid, fd master_fd, slave_fd = openpty() pid = os.fork() if pid == CHILD: # Establish a new session. os.setsid() os.close(master_fd) # Slave becomes stdin/stdout/stderr of child. os.dup2(slave_fd, STDIN_FILENO) os.dup2(slave_fd, STDOUT_FILENO) os.dup2(slave_fd, STDERR_FILENO) if (slave_fd > STDERR_FILENO): os.close (slave_fd) # Explicitly open the tty to make it become a controlling tty. tmp_fd = os.open(os.ttyname(STDOUT_FILENO), os.O_RDWR) os.close(tmp_fd) else: os.close(slave_fd) # Parent and child process. return pid, master_fd
def forkpty(*args, **kwargs): """ Like :func:`fork`, but using :func:`forkpty_gevent`. This implementation of ``forkpty`` is a wrapper for :func:`forkpty_and_watch` when the environment variable ``GEVENT_NOWAITPID`` is *not* defined. This is the default and should be used by most applications. .. versionadded:: 1.1b5 """ # take any args to match fork_and_watch return forkpty_and_watch(*args, **kwargs)
def forkpty(): """ Like :func:`fork`, but using :func:`os.forkpty` This implementation of ``forkpty`` is a wrapper for :func:`forkpty_gevent` when the environment variable ``GEVENT_NOWAITPID`` *is* defined. This is not recommended for most applications. .. versionadded:: 1.1b5 """ return forkpty_gevent()
