3 # Copyright 2009 the V8 project authors. All rights reserved.
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5 # modification, are permitted provided that the following conditions are
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9 # notice, this list of conditions and the following disclaimer.
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13 # with the distribution.
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15 # contributors may be used to endorse or promote products derived
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24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 # Simple wrapper for running valgrind and checking the output on
31 # stderr for memory leaks.
37 VALGRIND_ARGUMENTS = [
44 # Compute the command line.
45 command = VALGRIND_ARGUMENTS + sys.argv[1:]
48 process = subprocess.Popen(command, stderr=subprocess.PIPE)
49 code = process.wait();
50 errors = process.stderr.readlines();
52 # If valgrind produced an error, we report that to the user.
54 sys.stderr.writelines(errors)
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")
64 if LEAK_LINE_MATCHER.search(line):
66 if not LEAK_OKAY_MATCHER.search(line):
67 sys.stderr.writelines(errors)
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')