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Remove all remaining uses of the FCNTL module from the standard library.

This commit is contained in:
Fred Drake 2001-05-10 15:33:31 +00:00
parent 7c116d7acb
commit a94414a287
3 changed files with 29 additions and 30 deletions
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7
Lib/asyncore.py
View File

@ -510,7 +510,6 @@ def close_all (map=None):
import os
if os.name == 'posix':
import fcntl
import FCNTL
class file_wrapper:
# here we override just enough to make a file
@ -538,9 +537,9 @@ def __init__ (self, fd):
dispatcher.__init__ (self)
self.connected = 1
# set it to non-blocking mode
flags = fcntl.fcntl (fd, FCNTL.F_GETFL, 0)
flags = flags | FCNTL.O_NONBLOCK
fcntl.fcntl (fd, FCNTL.F_SETFL, flags)
flags = fcntl.fcntl (fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl (fd, fcntl.F_SETFL, flags)
self.set_file (fd)
def set_file (self, fd):

10
Lib/lib-old/lockfile.py
View File

@ -1,15 +1,15 @@
import struct, fcntl, FCNTL
import struct, fcntl
def writelock(f):
_lock(f, FCNTL.F_WRLCK)
_lock(f, fcntl.F_WRLCK)
def readlock(f):
_lock(f, FCNTL.F_RDLCK)
_lock(f, fcntl.F_RDLCK)
def unlock(f):
_lock(f, FCNTL.F_UNLCK)
_lock(f, fcntl.F_UNLCK)
def _lock(f, op):
dummy = fcntl.fcntl(f.fileno(), FCNTL.F_SETLKW,
dummy = fcntl.fcntl(f.fileno(), fcntl.F_SETLKW,
struct.pack('2h8l', op,
0, 0, 0, 0, 0, 0, 0, 0, 0))

42
Lib/posixfile.py
View File

@ -107,7 +107,7 @@ def dup2(self, fd):
return posix.fdopen(fd, self._file_.mode)
def flags(self, *which):
import fcntl, FCNTL
import fcntl
if which:
if len(which) > 1:
@ -116,44 +116,44 @@ def flags(self, *which):
else: which = '?'
l_flags = 0
if 'n' in which: l_flags = l_flags | FCNTL.O_NDELAY
if 'a' in which: l_flags = l_flags | FCNTL.O_APPEND
if 's' in which: l_flags = l_flags | FCNTL.O_SYNC
if 'n' in which: l_flags = l_flags | os.O_NDELAY
if 'a' in which: l_flags = l_flags | os.O_APPEND
if 's' in which: l_flags = l_flags | os.O_SYNC
file = self._file_
if '=' not in which:
cur_fl = fcntl.fcntl(file.fileno(), FCNTL.F_GETFL, 0)
cur_fl = fcntl.fcntl(file.fileno(), fcntl.F_GETFL, 0)
if '!' in which: l_flags = cur_fl & ~ l_flags
else: l_flags = cur_fl | l_flags
l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_SETFL, l_flags)
l_flags = fcntl.fcntl(file.fileno(), fcntl.F_SETFL, l_flags)
if 'c' in which:
arg = ('!' not in which) # 0 is don't, 1 is do close on exec
l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_SETFD, arg)
l_flags = fcntl.fcntl(file.fileno(), fcntl.F_SETFD, arg)
if '?' in which:
which = '' # Return current flags
l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_GETFL, 0)
if FCNTL.O_APPEND & l_flags: which = which + 'a'
if fcntl.fcntl(file.fileno(), FCNTL.F_GETFD, 0) & 1:
l_flags = fcntl.fcntl(file.fileno(), fcntl.F_GETFL, 0)
if os.O_APPEND & l_flags: which = which + 'a'
if fcntl.fcntl(file.fileno(), fcntl.F_GETFD, 0) & 1:
which = which + 'c'
if FCNTL.O_NDELAY & l_flags: which = which + 'n'
if FCNTL.O_SYNC & l_flags: which = which + 's'
if os.O_NDELAY & l_flags: which = which + 'n'
if os.O_SYNC & l_flags: which = which + 's'
return which
def lock(self, how, *args):
import struct, fcntl, FCNTL
import struct, fcntl
if 'w' in how: l_type = FCNTL.F_WRLCK
elif 'r' in how: l_type = FCNTL.F_RDLCK
elif 'u' in how: l_type = FCNTL.F_UNLCK
if 'w' in how: l_type = fcntl.F_WRLCK
elif 'r' in how: l_type = fcntl.F_RDLCK
elif 'u' in how: l_type = fcntl.F_UNLCK
else: raise TypeError, 'no type of lock specified'
if '|' in how: cmd = FCNTL.F_SETLKW
elif '?' in how: cmd = FCNTL.F_GETLK
else: cmd = FCNTL.F_SETLK
if '|' in how: cmd = fcntl.F_SETLKW
elif '?' in how: cmd = fcntl.F_GETLK
else: cmd = fcntl.F_SETLK
l_whence = 0
l_start = 0
@ -203,8 +203,8 @@ def lock(self, how, *args):
l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
struct.unpack('hhllhh', flock)
if l_type != FCNTL.F_UNLCK:
if l_type == FCNTL.F_RDLCK:
if l_type != fcntl.F_UNLCK:
if l_type == fcntl.F_RDLCK:
return 'r', l_len, l_start, l_whence, l_pid
else:
return 'w', l_len, l_start, l_whence, l_pid