Konstantin Knizhnik 3da70abfa5 Fix pageserver_try_receive (#11096) ...

## Problem

See https://neondb.slack.com/archives/C04DGM6SMTM/p1741176713523469

The problem is that this function is using `PQgetCopyData(shard->conn,
&resp_buff.data, 1 /* async = true */)`
to try to fetch next message. But this function returns 0 if the whole
message is not present in the buffer.
And input buffer may contain only part of message so result is not
fetched.

## Summary of changes

Use `PQisBusy` + `WaitEventSetWait` to check if data is available and
`PQgetCopyData(shard->conn, &resp_buff.data, 0)` to read whole message
in this case.

---------

Co-authored-by: Konstantin Knizhnik <knizhnik@neon.tech>

2025-03-20 15:21:00 +00:00

..

neon

Fix pageserver_try_receive (#11096)

2025-03-20 15:21:00 +00:00

neon_rmgr

Remove unused static function

2024-10-07 23:49:11 +03:00

neon_test_utils

Use smgrexists() instead of access() to enforce uniqueness of generated relfilenumber (#7992)

2024-07-23 18:41:55 +03:00

neon_utils

Be able to get number of CPUs (#3774)

2023-03-10 19:00:20 +02:00

neon_walredo

moving LastWrittenLSNCache to Neon Extension (#11031)

2025-03-19 17:29:40 +00:00

.dir-locals.el

Copy editor config for the neon extension from PostgreSQL (#8009)

2024-06-11 23:19:18 +03:00

.editorconfig

Copy editor config for the neon extension from PostgreSQL (#8009)

2024-06-11 23:19:18 +03:00

typedefs.list

Refotmat pgxn code, add typedefs.list that was used

2022-09-14 08:14:05 +03:00