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authorNecoro <>2007-10-22 21:54:02 +0000
committerNecoro <>2007-10-22 21:54:02 +0000
commit6164e60388eed0f30a705e552e25e7c2b058550c (patch)
tree0c67b7d27a5814e22f5fa8ee46376264ac6fcdc0 /portato
parent25edeccbc87cf8821aea8a26faabb899443a3f9c (diff)
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use shm instead of pipes
Diffstat (limited to 'portato')
-rw-r--r--portato/constants.py8
-rw-r--r--portato/plistener.py51
2 files changed, 39 insertions, 20 deletions
diff --git a/portato/constants.py b/portato/constants.py
index c76b737..66ddf8d 100644
--- a/portato/constants.py
+++ b/portato/constants.py
@@ -56,6 +56,10 @@ These should be set during the installation.
import os
from os.path import join as pjoin
+# icons
+ICON_DIR = "icons/"
+APP_ICON = pjoin(ICON_DIR, "portato-icon.png")
+
# general
APP = "portato"
VERSION = "9999"
@@ -71,10 +75,6 @@ STD_FRONTEND = "gtk"
CONFIG_DIR = "/etc/portato/"
CONFIG_LOCATION = pjoin(CONFIG_DIR, "portato.cfg")
-# icons
-ICON_DIR = "icons/"
-APP_ICON = pjoin(ICON_DIR, "portato-icon.png")
-
# misc dirs
DATA_DIR = "./"
LOCALE_DIR = "i18n/"
diff --git a/portato/plistener.py b/portato/plistener.py
index a24a262..291a30c 100644
--- a/portato/plistener.py
+++ b/portato/plistener.py
@@ -12,7 +12,8 @@
from __future__ import absolute_import
-import socket, os
+import shm_wrapper as shm
+import os
from subprocess import Popen
from gettext import lgettext as _
@@ -33,13 +34,20 @@ class PListener (object):
@ivar _send: sender socket
@type _send: int"""
- def set_recv (self, pipe):
- self._recv = pipe
+ def set_recv (self, mem, sig, rw):
+ self._mem = mem
+ self._sig = sig
+ self._rw = rw
while True:
try:
- len = os.read(self._recv, 4)
- string = os.read(self._recv, int(len))
+ try:
+ self._sig.P()
+ self._rw.P()
+ len = self._mem.read(NumberOfBytes = 4)
+ string = self._mem.read(NumberOfBytes = int(len), offset = 4)
+ finally:
+ self._rw.V()
data = string.split("\0")
@@ -52,7 +60,9 @@ class PListener (object):
except KeyboardInterrupt:
break
- os.close(self._recv)
+ self._mem.remove()
+ self._sig.remove()
+ self._rw.remove()
def do_cmd (self, cmdlist):
"""Starts a command as the user.
@@ -74,18 +84,28 @@ class PListener (object):
n.set_urgency(int(urgency))
n.show()
- def set_send (self, pipe = None):
- if pipe is None:
+ def set_send (self, mem = None, sig = None, rw = None):
+ if mem is None or sig is None or rw is None:
warning(_("Listener has not been started."))
-
- self._send = pipe
+ self._mem = None
+ self._sig = None
+ self._rw = None
+ else:
+ self._mem = shm.SharedMemoryHandle(mem)
+ self._sig = shm.SemaphoreHandle(sig)
+ self._rw = shm.SemaphoreHandle(rw)
def __send (self, string):
- os.write(self._send, "%4d" % len(string))
- os.write(self._send, string)
+ self._rw.P()
+ self._sig.Z()
+ try:
+ self._mem.write("%4d%s" % (len(string), string))
+ self._sig.V()
+ finally:
+ self._rw.V()
def send_notify (self, base = "", descr = "", icon = "", urgency = None):
- if self._send is None:
+ if self._sig is None:
self.do_notify(base, descr, icon, urgency)
else:
string = "\0".join(["notify", base, descr, icon])
@@ -98,12 +118,11 @@ class PListener (object):
self.__send(string)
def send_cmd (self, cmdlist):
- if self._send is None:
+ if self._sig is None:
self.do_cmd(cmdlist)
else:
self.__send("\0".join(["cmd"] +cmdlist))
def close (self):
- if self._send is not None:
+ if self._sig is not None:
self.__send("close")
- os.close(self._send)