shm_mq: Repair breakage from previous commit.
If the counterparty writes some data into the queue and then detaches,
it's wrong to return SHM_MQ_DETACHED right away. If we do that, we
fail to read whatever was written.
Branch
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REL9_5_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/44390e30f8531906ed142336f84f172b93073038
Modified Files
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src/backend/storage/ipc/shm_mq.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)