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# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import subprocess
import sys
from threading import Timer
from ..local import utils
from ..objects import output
SEM_INVALID_VALUE = -1
SEM_NOGPFAULTERRORBOX = 0x0002 # Microsoft Platform SDK WinBase.h
def Win32SetErrorMode(mode):
prev_error_mode = SEM_INVALID_VALUE
try:
import ctypes
prev_error_mode = \
ctypes.windll.kernel32.SetErrorMode(mode) #@UndefinedVariable
except ImportError:
pass
return prev_error_mode
def RunProcess(verbose, timeout, args, **rest):
if verbose: print "#", " ".join(args)
popen_args = args
prev_error_mode = SEM_INVALID_VALUE
if utils.IsWindows():
popen_args = subprocess.list2cmdline(args)
# Try to change the error mode to avoid dialogs on fatal errors. Don't
# touch any existing error mode flags by merging the existing error mode.
# See http://blogs.msdn.com/oldnewthing/archive/2004/07/27/198410.aspx.
error_mode = SEM_NOGPFAULTERRORBOX
prev_error_mode = Win32SetErrorMode(error_mode)
Win32SetErrorMode(error_mode | prev_error_mode)
try:
process = subprocess.Popen(
args=popen_args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
**rest
)
except Exception as e:
sys.stderr.write("Error executing: %s\n" % popen_args)
raise e
if (utils.IsWindows() and prev_error_mode != SEM_INVALID_VALUE):
Win32SetErrorMode(prev_error_mode)
def kill_process(process, timeout_result):
timeout_result[0] = True
try:
if utils.IsWindows():
if verbose:
print "Attempting to kill process %d" % process.pid
sys.stdout.flush()
tk = subprocess.Popen(
'taskkill /T /F /PID %d' % process.pid,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
stdout, stderr = tk.communicate()
if verbose:
print "Taskkill results for %d" % process.pid
print stdout
print stderr
print "Return code: %d" % tk.returncode
sys.stdout.flush()
else:
process.kill()
except OSError:
sys.stderr.write('Error: Process %s already ended.\n' % process.pid)
# Pseudo object to communicate with timer thread.
timeout_result = [False]
timer = Timer(timeout, kill_process, [process, timeout_result])
timer.start()
stdout, stderr = process.communicate()
timer.cancel()
return output.Output(
process.returncode,
timeout_result[0],
stdout,
stderr,
process.pid,
)
def Execute(args, verbose=False, timeout=None):
args = [ c for c in args if c != "" ]
return RunProcess(verbose, timeout, args=args)
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