Python os.fdatasync() 方法 Python os.fchdir() 方法 Python os.fdopen() 方法 Python os.fdatasync() 方法 #!/usr/bin/python import os, sys # Open a file fd = os.open( "foo.txt", os.O_RDWR|os.O_CREAT ) # Write one string os.write(fd, "This is test") # Now you can use fdatasync() 方法. # Infact here you would not be able to see its effect. os.fdatasync(fd) # Now read this file from the beginning. os.lseek(fd, 0, 0) str = os.read(fd, 100) print "Read String is : ", str # Close opened file os.close( fd ) print "Closed the file successfully!!" Python os.fchdir() 方法 Python os.fdopen() 方法