/usr/lib/python2.7/dist-packages/ocfs2interface/process.py is in ocfs2console 1.6.4-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | # OCFS2Console - GUI frontend for OCFS2 management and debugging
# Copyright (C) 2002, 2005 Oracle. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 021110-1307, USA.
import os
import fcntl
import popen2
import gobject
import gtk
from guiutil import set_props
INTERVAL = 100
TIMEOUT = 10000
class Process:
def __init__(self, command, title, desc, parent=None, spin_now=False):
if isinstance(command, basestring):
if len(command.split(None, 1)) < 2:
command = (command,)
self.command = command
self.title = title
self.desc = desc
self.parent = parent
self.spin_now = spin_now
self.pipe = popen2.Popen4(self.command)
def reap(self):
self.success = False
self.killed = False
self.count = TIMEOUT // INTERVAL
self.threshold = self.count - INTERVAL * 10
self.dialog = None
if self.spin_now:
self.count = TIMEOUT * 60
self.make_progress_box()
timeout_id = gobject.timeout_add(INTERVAL, self.timeout)
fromchild = self.pipe.fromchild
fileno = fromchild.fileno()
flags = fcntl.fcntl(fileno, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fileno, fcntl.F_SETFL, flags)
self.output = ''
output_id = gobject.io_add_watch(fromchild, gobject.IO_IN, self.read)
gtk.main()
if self.dialog:
self.dialog.destroy()
gobject.source_remove(output_id)
gobject.source_remove(timeout_id)
if not self.success:
if self.killed:
if self.output:
self.output += '\n'
self.output += 'Killed prematurely.'
return self.success, self.output, self.killed
def timeout(self):
self.count = self.count - 1
ret = self.pipe.poll()
if ret != -1:
self.success = not os.WEXITSTATUS(ret)
gtk.main_quit()
return True
if self.count < 1:
self.kill()
return True
if self.count < self.threshold and not self.dialog:
self.make_progress_box()
if self.dialog:
self.pbar.pulse()
return True
def kill(self):
self.success = False
self.killed = True
os.kill(self.pipe.pid, 15)
gobject.timeout_add(INTERVAL * 5, self.kill_timeout)
gtk.main_quit()
def kill_timeout(self):
if self.pipe.poll() == -1:
os.kill(self.pipe.pid, 9)
self.kill_9 = True
return False
def make_progress_box(self):
self.dialog = gtk.Window()
set_props(self.dialog, title=self.title,
resizable=False,
modal=True,
type_hint=gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
def ignore(w, e):
return True
self.dialog.connect('delete-event', ignore)
self.dialog.set_transient_for(self.parent)
vbox = gtk.VBox()
set_props(vbox, spacing=0,
homogeneous=False,
border_width=4,
parent=self.dialog)
label = gtk.Label(self.desc + '...')
vbox.pack_start(label, expand=False, fill=False)
self.pbar = gtk.ProgressBar()
vbox.pack_start(self.pbar, expand=False, fill=False)
self.dialog.show_all()
def read(self, fd, cond):
if cond & gtk.gdk.INPUT_READ:
try:
self.output += fd.read(1024)
except IOError:
return False
return True
def main():
process = Process('echo Hello; sleep 10', 'Sleep', 'Sleeping',
spin_now=True)
print process.reap()
if __name__ == '__main__':
main()
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