1a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#!/usr/bin/python 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Copyright 2009 the V8 project authors. All rights reserved. 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Redistribution and use in source and binary forms, with or without 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# modification, are permitted provided that the following conditions are 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# met: 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# * Redistributions of source code must retain the above copyright 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# notice, this list of conditions and the following disclaimer. 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# * Redistributions in binary form must reproduce the above 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# copyright notice, this list of conditions and the following 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# disclaimer in the documentation and/or other materials provided 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# with the distribution. 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# * Neither the name of Google Inc. nor the names of its 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# contributors may be used to endorse or promote products derived 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# from this software without specific prior written permission. 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Simple wrapper for running valgrind and checking the output on 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# stderr for memory leaks. 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockimport subprocess 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockimport sys 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockimport re 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockVALGRIND_ARGUMENTS = [ 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 'valgrind', 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block '--error-exitcode=1', 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block '--leak-check=full', 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block '--smc-check=all' 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block] 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Compute the command line. 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockcommand = VALGRIND_ARGUMENTS + sys.argv[1:] 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Run valgrind. 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockprocess = subprocess.Popen(command, stderr=subprocess.PIPE) 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockcode = process.wait(); 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockerrors = process.stderr.readlines(); 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# If valgrind produced an error, we report that to the user. 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockif code != 0: 54a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.stderr.writelines(errors) 55a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.exit(code) 56a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Look through the leak details and make sure that we don't 58a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# have any definitely, indirectly, and possibly lost bytes. 59a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockLEAK_RE = r"(?:definitely|indirectly|possibly) lost: " 60a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockLEAK_LINE_MATCHER = re.compile(LEAK_RE) 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockLEAK_OKAY_MATCHER = re.compile(r"lost: 0 bytes in 0 blocks") 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockleaks = [] 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfor line in errors: 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if LEAK_LINE_MATCHER.search(line): 65a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block leaks.append(line) 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if not LEAK_OKAY_MATCHER.search(line): 67a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.stderr.writelines(errors) 68a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.exit(1) 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# Make sure we found between 2 and 3 leak lines. 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockif len(leaks) < 2 or len(leaks) > 3: 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.stderr.writelines(errors) 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.stderr.write('\n\n#### Malformed valgrind output.\n#### Exiting.\n') 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block sys.exit(1) 75a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 76a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block# No leaks found. 77a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocksys.exit(0) 78