diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2010-11-21 14:33:58 -0500 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2010-11-21 14:33:58 -0500 |
| commit | b34360471571ea7346ab1c6cb87700a920ca5798 (patch) | |
| tree | 77fa6b8d05cb1f2e3ebcefb08cf91b8f53e526fd /gnuradio-core/src/lib/runtime/gr_buffer.cc | |
| parent | 8176675bcd887d760cc2413f9326d5515641d800 (diff) | |
Fixing flowgraph dump to clean it up (via patch from eb). Also added note about mutex locking in prune_tags.
Diffstat (limited to 'gnuradio-core/src/lib/runtime/gr_buffer.cc')
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_buffer.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_buffer.cc b/gnuradio-core/src/lib/runtime/gr_buffer.cc index 1488e92f6b..0b2eb52a0d 100644 --- a/gnuradio-core/src/lib/runtime/gr_buffer.cc +++ b/gnuradio-core/src/lib/runtime/gr_buffer.cc @@ -231,6 +231,14 @@ gr_buffer::add_item_tag(const pmt::pmt_t &tag) void gr_buffer::prune_tags(uint64_t max_time) { + /* NOTE: this function _should_ lock the mutex before editing + d_item_tags. In practice, this function is only called at + runtime by min_available_space in gr_block_executor.cc, + which locks the mutex itself. + + If this function is used elsewhere, remember to lock the + buffer's mutex al la the scoped_lock line below. + */ //gruel::scoped_lock guard(*mutex()); int n = 0; |