injection_points: Add proper locking when reporting fixed-variable stats Contrary to its siblings for the archiver, the bgwriter and the checkpointer stats, pgstat_report_inj_fixed() can be called concurrently. This was causing an assertion failure, while messing up with the stats.
This code is aimed at being a template for extension developers, so it is not a critical issue, but let's be correct. This module has also been useful for some benchmarking, at least for me, and that was how I have discovered this issue. Oversight in f68cd847fa40. Author: Michael Paquier <[email protected]> Reviewed-by: Bertrand Drouvot <[email protected]> Reviewed-by: Chao Li <[email protected]> Reviewed-by: wenhui qiu <[email protected]> Discussion: https://postgr.es/m/[email protected] Backpatch-through: 18 Branch ------ REL_18_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/b5f898944d1226f8daeb0bda58098f645582c80f Modified Files -------------- src/test/modules/injection_points/injection_stats_fixed.c | 4 ++++ 1 file changed, 4 insertions(+)
