1#!/usr/bin/python 2# 3# Copyright 2009 the V8 project authors. All rights reserved. 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: 7# 8# * Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# * Redistributions in binary form must reproduce the above 11# copyright notice, this list of conditions and the following 12# disclaimer in the documentation and/or other materials provided 13# with the distribution. 14# * Neither the name of Google Inc. nor the names of its 15# contributors may be used to endorse or promote products derived 16# from this software without specific prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30# Simple wrapper for running valgrind and checking the output on 31# stderr for memory leaks. 32 33import subprocess 34import sys 35import re 36 37VALGRIND_ARGUMENTS = [ 38 'valgrind', 39 '--error-exitcode=1', 40 '--leak-check=full', 41 '--smc-check=all' 42] 43 44# Compute the command line. 45command = VALGRIND_ARGUMENTS + sys.argv[1:] 46 47# Run valgrind. 48process = subprocess.Popen(command, stderr=subprocess.PIPE) 49code = process.wait(); 50errors = process.stderr.readlines(); 51 52# If valgrind produced an error, we report that to the user. 53if code != 0: 54 sys.stderr.writelines(errors) 55 sys.exit(code) 56 57# Look through the leak details and make sure that we don't 58# have any definitely, indirectly, and possibly lost bytes. 59LEAK_RE = r"(?:definitely|indirectly|possibly) lost: " 60LEAK_LINE_MATCHER = re.compile(LEAK_RE) 61LEAK_OKAY_MATCHER = re.compile(r"lost: 0 bytes in 0 blocks") 62leaks = [] 63for line in errors: 64 if LEAK_LINE_MATCHER.search(line): 65 leaks.append(line) 66 if not LEAK_OKAY_MATCHER.search(line): 67 sys.stderr.writelines(errors) 68 sys.exit(1) 69 70# Make sure we found between 2 and 3 leak lines. 71if len(leaks) < 2 or len(leaks) > 3: 72 sys.stderr.writelines(errors) 73 sys.stderr.write('\n\n#### Malformed valgrind output.\n#### Exiting.\n') 74 sys.exit(1) 75 76# No leaks found. 77sys.exit(0) 78