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  r72817 | philip.jenvey | 2009-05-21 22:35:32 -0700 (Thu, 21 May 2009) | 4 lines

  don't use subprocess.call with PIPEs as the child can fill the pipe buf and
  deadlock. add a warning to subprocess docs about this, similar to Popen.wait's.
  refs http://bugs.jython.org/issue1351
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This commit is contained in:
Philip Jenvey 2009-05-22 05:46:35 +00:00
parent d40285a986
commit ab7481a0a4
2 changed files with 14 additions and 2 deletions

View file

@ -152,6 +152,12 @@ This module also defines four shortcut functions:
retcode = call(["ls", "-l"])
.. warning::
Like :meth:`Popen.wait`, this will deadlock if the child process
generates enough output to a stdout or stderr pipe such that it blocks
waiting for the OS pipe buffer to accept more data.
.. function:: check_call(*popenargs, **kwargs)
@ -164,6 +170,10 @@ This module also defines four shortcut functions:
check_call(["ls", "-l"])
.. warning::
See the warning for :func:`call`.
.. function:: check_output(*popenargs, **kwargs)