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Refactor query cancellation code into src/fe_utils/

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Originally, this code was duplicated in src/bin/psql/ and
src/bin/scripts/, but it can be useful for other frontend applications,
like pgbench.  This refactoring offers the possibility to setup a custom
callback which would get called in the signal handler for SIGINT or when
the interruption console events happen on Windows.

Author: Fabien Coelho, with contributions from Michael Paquier
Reviewed-by: Álvaro Herrera, Ibrar Ahmed
Discussion: https://postgr.es/m/alpine.DEB.2.21.1910311939430.27369@lancre
This commit is contained in:
Michael Paquier
2019-12-02 11:18:56 +09:00
parent c01ac6dcba
commit a4fd3aa719
14 changed files with 298 additions and 330 deletions
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src/bin/psql/command.c
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@@ -29,6 +29,7 @@
#include "copy.h"
#include "crosstabview.h"
#include "describe.h"
#include "fe_utils/cancel.h"
#include "fe_utils/print.h"
#include "fe_utils/string_utils.h"
#include "help.h"