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Commitc1abe6c

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Wire up query cancel interrupt for walsender backends.
This allows to cancel commands run over replication connections. Whileit might have some use before v10, it has become important now thatnormal SQL commands are allowed in database connected walsenderconnections.Author: Petr JelinekReviewed-By: Andres Freund, Michael PaquierDiscussion:https://postgr.es/m/7966f454-7cd7-2b0c-8b70-cdca9d5a8c97@2ndquadrant.com
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‎src/backend/replication/walsender.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2929,7 +2929,7 @@ WalSndSignals(void)
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/* Set up signal handlers */
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pqsignal(SIGHUP,PostgresSigHupHandler);/* set flag to read config
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* file */
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pqsignal(SIGINT,SIG_IGN);/*not used */
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pqsignal(SIGINT,StatementCancelHandler);/*query cancel */
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pqsignal(SIGTERM,die);/* request shutdown */
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pqsignal(SIGQUIT,quickdie);/* hard crash time */
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InitializeTimeouts();/* establishes SIGALRM handler */

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