我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用os.makedev()。
def makedev(self, tarinfo, targetpath): """Make a character or block device called targetpath. """ if not hasattr(os, "mknod") or not hasattr(os, "makedev"): raise ExtractError("special devices not supported by system") mode = tarinfo.mode if tarinfo.isblk(): mode |= stat.S_IFBLK else: mode |= stat.S_IFCHR os.mknod(targetpath, mode, os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(dev_path): for i, dev in enumerate(['stdin', 'stdout', 'stderr']): os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev)) os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd')) # Add extra devices DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5), 'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9), 'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0), 'full': (stat.S_IFCHR, 1, 7)} for device, (dev_type, major, minor) in DEVICES.iteritems(): os.mknod(os.path.join(dev_path, device), 0666 | dev_type, os.makedev(major, minor))
def _create_mounts(new_root): # Create mounts (/proc, /sys, /dev) under new_root linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '') linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '') linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs', linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755') # Add some basic devices devpts_path = os.path.join(new_root, 'dev', 'pts') if not os.path.exists(devpts_path): os.makedirs(devpts_path) linux.mount('devpts', devpts_path, 'devpts', 0, '') makedev(os.path.join(new_root, 'dev'))
def contain(command, image_name, image_dir, container_id, container_dir): linux.unshare(linux.CLONE_NEWNS) # create a new mount namespace # TODO: we added MS_REC here. wanna guess why? linux.mount(None, '/', None, linux.MS_PRIVATE | linux.MS_REC, None) new_root = create_container_root( image_name, image_dir, container_id, container_dir) print('Created a new root fs for our container: {}'.format(new_root)) # Create mounts (/proc, /sys, /dev) under new_root linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '') linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '') linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs', linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755') # Add some basic devices devpts_path = os.path.join(new_root, 'dev', 'pts') if not os.path.exists(devpts_path): os.makedirs(devpts_path) linux.mount('devpts', devpts_path, 'devpts', 0, '') makedev(os.path.join(new_root, 'dev')) os.chroot(new_root) # TODO: replace with pivot_root os.chdir('/') # TODO: umount2 old root (HINT: see MNT_DETACH in man 2 umount) os.execvp(command[0], command)
def makedev(self, cpioinfo, cpiogetpath): """Make a character or block device called cpiogetpath. """ if not hasattr(os, "mknod") or not hasattr(os, "makedev"): raise ExtractError("special devices not supported by system") mode = cpioinfo.mode if cpioinfo.isblk(): mode |= stat.S_IFBLK else: mode |= stat.S_IFCHR os.mknod(cpiogetpath, mode, os.makedev(cpioinfo.devmajor, cpioinfo.devminor))
