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Release postmaster working memory context in slotsync worker

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Child processes do not need the postmaster's working memory context and
normally release it at the start of their main entry point. However,
the slotsync worker forgot to do so.

This commit makes the slotsync worker release the postmaster's working
memory context at startup, preventing unintended use.

Author: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Tiancheng Ge <getiancheng_2012@163.com>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://postgr.es/m/CAHGQGwHO05JaUpgKF8FBDmPdBUJsK22axRRcgmAUc2Jyi8OK8g@mail.gmail.com
This commit is contained in:
Fujii Masao 2026-04-06 23:04:18 +09:00
parent ed71d7356e
commit 93dc1ace20
1 changed files with 7 additions and 0 deletions
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7
src/backend/replication/logical/slotsync.c
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@ -1494,6 +1494,13 @@ ReplSlotSyncWorkerMain(const void *startup_data, size_t startup_data_len)
Assert(startup_data_len == 0);
/* Release postmaster's working memory context */
if (PostmasterContext)
{
MemoryContextDelete(PostmasterContext);
PostmasterContext = NULL;
}
init_ps_display(NULL);
Assert(GetProcessingMode() == InitProcessing);