SIGTERM does not stop backend postgres processes immediately
От | Fred Yankowski |
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Тема | SIGTERM does not stop backend postgres processes immediately |
Дата | |
Msg-id | 20010508142427.A25541@enteract.com обсуждение исходный текст |
Ответы |
Re: SIGTERM does not stop backend postgres processes immediately
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Список | pgsql-cygwin |
It seems that postgres backend processes built with Cygwin do not react to the SIGTERM signal immediately. Instead, they remain blocked on a recv() call deep under ReadCommand() and don't notice the signal until data comes in over the socket connection and unblocks recv(). This prevents a 'fast' stop of the whole PostgreSQL instance from working correctly. I'm seeing this problem in Cygwin 1.3.1 with cygipc-1.09-2, using PostgreSQL built from source based on a very recent CVS snapshot. This problem sounds similar to one reported in the pgsql-ports list earlier this year [1]. That thread concludes that it's a Cygwin problem, but with no solution yet. Has there been any progress since then? [1] http://postgresql.readysetnet.com/mhonarc/pgsql-ports/2001-01/msg00023.html -- Fred Yankowski fred@OntoSys.com tel: +1.630.879.1312 Principal Consultant www.OntoSys.com fax: +1.630.879.1370 OntoSys, Inc 38W242 Deerpath Rd, Batavia, IL 60510, USA
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