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| author | Thomas Munro <tmunro@postgresql.org> | 2018-07-11 12:40:58 +1200 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2018-07-11 12:47:06 +1200 |
| commit | 9f09529952ac41a10e5874cba745c1c24e67ac79 (patch) | |
| tree | 2648f22d9b6c1bd0767e73415688031ae16b5cf3 /contrib/jsonb_plperl/jsonb_plperl.c | |
| parent | 56a714721343e6f52c0b1b911c0f160592348e84 (diff) | |
| download | postgresql-9f09529952ac41a10e5874cba745c1c24e67ac79.tar.gz | |
Use signals for postmaster death on Linux.
Linux provides a way to ask for a signal when your parent process dies.
Use that to make PostmasterIsAlive() very cheap.
Based on a suggestion from Andres Freund.
Author: Thomas Munro, Heikki Linnakangas
Reviewed-By: Michael Paquier
Discussion: https://postgr.es/m/7261eb39-0369-f2f4-1bb5-62f3b6083b5e%40iki.fi
Discussion: https://postgr.es/m/20180411002643.6buofht4ranhei7k%40alap3.anarazel.de
Diffstat (limited to 'contrib/jsonb_plperl/jsonb_plperl.c')
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