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| author | Robert Haas <rhaas@postgresql.org> | 2014-01-14 12:23:22 -0500 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2014-01-14 12:23:22 -0500 |
| commit | ec9037df2634ddcd6a3b036463722c8ee009b132 (patch) | |
| tree | 67565ef6475ce57f9d1097338c4e42dc3b327a46 /src/backend/storage/buffer/bufmgr.c | |
| parent | 6ddd5137b26c64360b86ea4174f21362df4f167a (diff) | |
| download | postgresql-ec9037df2634ddcd6a3b036463722c8ee009b132.tar.gz postgresql-ec9037df2634ddcd6a3b036463722c8ee009b132.zip | |
Single-reader, single-writer, lightweight shared message queue.
This code provides infrastructure for user backends to communicate
relatively easily with background workers. The message queue is
structured as a ring buffer and allows messages of arbitary length
to be sent and received.
Patch by me. Review by KaiGai Kohei and Andres Freund.
Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
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