def open_path_helper(path, os_flags, append):
# XXX for now always return DiskFile
fd = rposix.open(path, os_flags, 0666)
if append:
try:
os.lseek(fd, 0, 2)
except OSError:
# XXX does this pass make sense?
pass
return DiskFile(fd)
def f():
try:
fd = rposix.open(self.path, os.O_RDONLY, 0777)
try:
text = os.read(fd, 50)
return text
finally:
os.close(fd)
except OSError:
return ''
def entry_point(argv):
fd = rposix.open("/tmp/foobar", os.O_RDONLY, 0777)
assert fd == 77
fd2 = rposix.dup(fd)
assert fd2 == 78
return 0
