Use condition variables for ProcSignalBarriers. Instead of a poll/sleep loop, use a condition variable for precise wake-up whenever a backend's pss_barrierGeneration advances.
Discussion: https://postgr.es/m/ca+hukgldemy2gbm80kz20gte6hnvwoere8kwcjk6-u56ost...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/814f1d8bc395bb9b4c0ae090ceea60adfbeb8e49 Modified Files -------------- src/backend/storage/ipc/procsignal.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-)
