Source code file content
18397632 pt gets updated with linked image states even if there are no linked images
Size: 6893 bytes, 1 line
# CDDL HEADER START
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
# CDDL HEADER END
# Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
from pkg.pspawn import posix_spawnp
from pkg.pspawn import SpawnFileAction
__all__ = ["Popen", "PIPE", "STDOUT", "call"]
def call(*args, **kwargs):
return Popen(*args, **kwargs).wait()
PIPE = subprocess.PIPE
STDOUT = subprocess.STDOUT
def __init__(self, args, **kwargs):
if "bufsize" not in kwargs:
kwargs["bufsize"] = 128 * 1024
subprocess.Popen.__init__(self, args, **kwargs)
if "posix_spawnp" in globals():
def _execute_child(self, args, executable, preexec_fn,
close_fds, cwd, env, universal_newlines, startupinfo,
creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite,
"""Execute program using posix spawn"""
if isinstance(args, types.StringTypes):
args = [args]
args = ["/bin/sh", "-c"] + args
if executable == None:
executable = args
sfa = SpawnFileAction()
# Child file actions
# Close parent's pipe ends
closed_fds = 
# Dup fds for child
# Close pipe fds. Make sure we don't close the
# same fd more than once.
if c2pwrite and c2pwrite not in (p2cread,):
if errwrite and errwrite not in (p2cread, c2pwrite):
# Close all other fds, if asked for.
# This is a bit tricky. Due to a sad
# behaviour with posix_spawn in nevada
# builds before the fix for 6807216 (in
# nevada 110), (and perhaps on other OS's?)
# you can't have two close actions close the
# same FD, or an error results. So we track
# everything we have closed, then manually
# fstat and close up to the max we have
# closed) . Then we close everything above
# that efficiently with add_close_childfds().
for i in range(3, max(closed_fds) + 1):
# scheduled closed already? skip
if i in closed_fds:
closefrom = max([3, max(closed_fds) + 1])
if cwd != None:
if env is None:
# If caller didn't pass us an environment in
# env, borrow the env that the current process
# is using.
env = os.environ.copy()
if type(env) == dict:
# The bundled subprocess module takes a dict in
# the "env" argument. Allow that here by doing
# the explicit conversion to a list.
env = [
"%s=%s" % (k, v)
for k, v in env.iteritems()
self.pid = posix_spawnp(executable, args, sfa, env)
self._child_created = True
if p2cread and p2cwrite:
if c2pwrite and c2pread:
if errwrite and errread: