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| author | Antoine Pitrou <solipsis@pitrou.net> | 2009-10-27 17:49:21 (GMT) |
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| committer | Antoine Pitrou <solipsis@pitrou.net> | 2009-10-27 17:49:21 (GMT) |
| commit | a3af0eb7a62932babfae681d6c1aca30269f5fb1 (patch) | |
| tree | c769982bbcb632e293412a8de08399987dc9f49e /Modules/bz2module.c | |
| parent | e02d1a0fd477e9f4009c693eaccf1f12c11f83fd (diff) | |
| download | cpython-a3af0eb7a62932babfae681d6c1aca30269f5fb1.zip cpython-a3af0eb7a62932babfae681d6c1aca30269f5fb1.tar.gz cpython-a3af0eb7a62932babfae681d6c1aca30269f5fb1.tar.bz2 | |
Merged revisions 75820 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r75820 | antoine.pitrou | 2009-10-27 18:47:14 +0100 (mar., 27 oct. 2009) | 9 lines
Merged revisions 75818 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r75818 | antoine.pitrou | 2009-10-27 18:41:58 +0100 (mar., 27 oct. 2009) | 3 lines
Issue #7205: Fix a possible deadlock when using a BZ2File object from several threads at once.
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Diffstat (limited to 'Modules/bz2module.c')
| -rw-r--r-- | Modules/bz2module.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Modules/bz2module.c b/Modules/bz2module.c index 5f1d01b..550f1cf 100644 --- a/Modules/bz2module.c +++ b/Modules/bz2module.c @@ -78,7 +78,12 @@ typedef fpos_t Py_off_t; #ifdef WITH_THREAD -#define ACQUIRE_LOCK(obj) PyThread_acquire_lock(obj->lock, 1) +#define ACQUIRE_LOCK(obj) do { \ + if (!PyThread_acquire_lock(obj->lock, 0)) { \ + Py_BEGIN_ALLOW_THREADS \ + PyThread_acquire_lock(obj->lock, 1); \ + Py_END_ALLOW_THREADS \ + } } while(0) #define RELEASE_LOCK(obj) PyThread_release_lock(obj->lock) #else #define ACQUIRE_LOCK(obj) |