supervise.py 文件源码

def set_inheritable(fd, inheritable):
        flags = fcntl.fcntl(fd, fcntl.F_GETFD)
        if inheritable:
            newflags = flags & ~fcntl.FD_CLOEXEC
        else:
            newflags = flags | fcntl.FD_CLOEXEC
        fcntl.fcntl(fd, fcntl.F_SETFD, newflags)
# ...or shutil.which