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Viewing changes to bzrlib/strace.py

  • Committer: Jelmer Vernooij
  • Date: 2011-12-18 15:28:38 UTC
  • mto: This revision was merged to the branch mainline in revision 6386.
  • Revision ID: jelmer@samba.org-20111218152838-5wxpfnugk2jd625k
Use absolute_import.

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bzrlib/strace.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
 
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"""Support for running strace against the current process."""
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import errno
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import os
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import signal
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import subprocess
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from bzrlib import errors
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# this is currently test-focused, so importing bzrlib.tests is ok. We might
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# want to move feature to its own module though.
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from bzrlib.tests.features import Feature
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def strace(function, *args, **kwargs):
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    """Invoke strace on function.
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    # start strace
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    strace_cmd = ['strace', '-r', '-tt', '-p', str(pid), '-o', log_file.name]
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    if follow_children:
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        strace_args.append('-f')
 
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        strace_cmd.append('-f')
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    # need to catch both stdout and stderr to work around
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    # bug 627208
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    proc = subprocess.Popen(strace_cmd,