b213f23990
This patch implements a timezone backend which is based on ICU, rather than operating system calls. It can be turned on by passing the --icu-timezone-data flag. The goal here is to take advantage of ICU's data, which is more complete than the data that some system calls expose. For example, without any special code, this patch fixes the time zone of Lord Howe Island to have a correct 30 minute DST offset, rather than 60 minutes as the OS backends assume it to have. Unfortunately, the parenthized timezone name in Date.prototype.toString() differs across platforms. This patch chooses the long timezone name, which matches Windows behavior and might be the most intelligible, but the web compatibility impact is unclear. BUG=v8:6031,v8:2137,v8:6076 Review-Url: https://codereview.chromium.org/2724373002 Cr-Commit-Position: refs/heads/master@{#44562}
133 lines
4.6 KiB
Python
133 lines
4.6 KiB
Python
# Copyright 2012 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import subprocess
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import sys
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from threading import Timer
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from ..local import utils
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from ..objects import output
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SEM_INVALID_VALUE = -1
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SEM_NOGPFAULTERRORBOX = 0x0002 # Microsoft Platform SDK WinBase.h
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def Win32SetErrorMode(mode):
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prev_error_mode = SEM_INVALID_VALUE
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try:
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import ctypes
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prev_error_mode = \
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ctypes.windll.kernel32.SetErrorMode(mode) #@UndefinedVariable
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except ImportError:
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pass
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return prev_error_mode
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def RunProcess(verbose, timeout, args, additional_env, **rest):
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if verbose: print "#", " ".join(args)
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popen_args = args
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prev_error_mode = SEM_INVALID_VALUE
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if utils.IsWindows():
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popen_args = subprocess.list2cmdline(args)
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# Try to change the error mode to avoid dialogs on fatal errors. Don't
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# touch any existing error mode flags by merging the existing error mode.
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# See http://blogs.msdn.com/oldnewthing/archive/2004/07/27/198410.aspx.
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error_mode = SEM_NOGPFAULTERRORBOX
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prev_error_mode = Win32SetErrorMode(error_mode)
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Win32SetErrorMode(error_mode | prev_error_mode)
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env = os.environ.copy()
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env.update(additional_env)
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# GTest shard information is read by the V8 tests runner. Make sure it
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# doesn't leak into the execution of gtests we're wrapping. Those might
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# otherwise apply a second level of sharding and as a result skip tests.
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env.pop('GTEST_TOTAL_SHARDS', None)
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env.pop('GTEST_SHARD_INDEX', None)
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try:
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process = subprocess.Popen(
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args=popen_args,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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env=env,
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**rest
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)
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except Exception as e:
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sys.stderr.write("Error executing: %s\n" % popen_args)
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raise e
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if (utils.IsWindows() and prev_error_mode != SEM_INVALID_VALUE):
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Win32SetErrorMode(prev_error_mode)
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def kill_process(process, timeout_result):
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timeout_result[0] = True
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try:
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if utils.IsWindows():
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if verbose:
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print "Attempting to kill process %d" % process.pid
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sys.stdout.flush()
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tk = subprocess.Popen(
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'taskkill /T /F /PID %d' % process.pid,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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)
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stdout, stderr = tk.communicate()
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if verbose:
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print "Taskkill results for %d" % process.pid
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print stdout
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print stderr
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print "Return code: %d" % tk.returncode
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sys.stdout.flush()
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else:
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process.kill()
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except OSError:
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sys.stderr.write('Error: Process %s already ended.\n' % process.pid)
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# Pseudo object to communicate with timer thread.
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timeout_result = [False]
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timer = Timer(timeout, kill_process, [process, timeout_result])
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timer.start()
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stdout, stderr = process.communicate()
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timer.cancel()
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return output.Output(
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process.returncode,
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timeout_result[0],
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stdout.decode('utf-8', 'replace').encode('utf-8'),
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stderr.decode('utf-8', 'replace').encode('utf-8'),
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process.pid,
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)
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def Execute(args, verbose=False, timeout=None, env=None):
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args = [ c for c in args if c != "" ]
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return RunProcess(verbose, timeout, args, env or {})
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