1 #!/usr/bin/env 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 33 import subprocess 34 import sys 35 import re 36 37 VALGRIND_ARGUMENTS = [ 38 'valgrind', 39 '--error-exitcode=1', 40 '--leak-check=full', 41 '--smc-check=all' 42 ] 43 44 # Compute the command line. 45 command = VALGRIND_ARGUMENTS + sys.argv[1:] 46 47 # Run valgrind. 48 process = subprocess.Popen(command, stderr=subprocess.PIPE) 49 code = process.wait(); 50 errors = process.stderr.readlines(); 51 52 # If valgrind produced an error, we report that to the user. 53 if 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. 59 LEAK_RE = r"(?:definitely|indirectly|possibly) lost: " 60 LEAK_LINE_MATCHER = re.compile(LEAK_RE) 61 LEAK_OKAY_MATCHER = re.compile(r"lost: 0 bytes in 0 blocks") 62 leaks = [] 63 for 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. 71 if 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. 77 sys.exit(0) 78
