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Tom Lane 63831c1627 Refactor CHECK_FOR_INTERRUPTS() to add flexibility. 
Split up CHECK_FOR_INTERRUPTS() to provide an additional macro
INTERRUPTS_PENDING_CONDITION(), which just tests whether an
interrupt is pending without attempting to service it.  This is
useful in situations where the caller knows that interrupts are
blocked, and would like to find out if it's worth the trouble
to unblock them.

Also add INTERRUPTS_CAN_BE_PROCESSED(), which indicates whether
CHECK_FOR_INTERRUPTS() can be relied on to clear the pending interrupt.

This commit doesn't actually add any uses of the new macros,
but a follow-on bug fix will do so.  Back-patch to all supported
branches to provide infrastructure for that fix.

Alvaro Herrera and Tom Lane

Discussion: https://postgr.es/m/20210513155351.GA7848@alvherre.pgsql
2021-05-14 12:54:26 -04:00
..
access Fix permission checks on constraint violation errors on partitions. 2021-02-08 11:01:55 +02:00
bootstrap Update copyrights for 2020 2020-01-01 12:21:45 -05:00
catalog Prevent drop of tablespaces used by partitioned relations 2021-01-14 15:32:14 -03:00
commands Rename SLRU structures and associated LWLocks. 2020-05-15 14:28:25 -04:00
common Move connect.h from fe_utils to src/include/common. 2020-08-10 09:22:58 -07:00
datatype Update copyrights for 2020 2020-01-01 12:21:45 -05:00
executor Fix mishandling of resjunk columns in ON CONFLICT ... UPDATE tlists. 2021-05-10 11:02:29 -04:00
fe_utils Move connect.h from fe_utils to src/include/common. 2020-08-10 09:22:58 -07:00
foreign Update copyrights for 2020 2020-01-01 12:21:45 -05:00
jit llvmjit: Work around bug in LLVM 3.9 causing crashes after 72559438f9. 2020-10-15 18:17:00 -07:00
lib Initial pgindent and pgperltidy run for v13. 2020-05-14 13:06:50 -04:00
libpq Fix assorted issues in backend's GSSAPI encryption support. 2020-12-28 17:44:17 -05:00
mb Allow Unicode escapes in any server encoding, not only UTF-8. 2020-03-06 14:17:43 -05:00
nodes Use correct spelling of statistics kind 2021-03-23 05:00:19 +01:00
optimizer Fix planner failure in some cases of sorting by an aggregate. 2021-04-20 11:32:02 -04:00
parser Calculate extraUpdatedCols in query rewriter, not parser. 2020-10-28 13:47:02 -04:00
partitioning Fix hash partition pruning with asymmetric partition sets. 2021-01-28 13:41:55 -05:00
port Default to wal_sync_method=fdatasync on FreeBSD. 2021-02-15 16:05:42 +13:00
portability Update copyrights for 2020 2020-01-01 12:21:45 -05:00
postmaster Fix race condition between shutdown and unstarted background workers. 2020-12-24 17:00:43 -05:00
regex Assume that we have <wchar.h>. 2020-02-21 14:30:47 -05:00
replication Rename the logical replication global "wrconn" 2021-05-12 19:13:54 -04:00
rewrite Calculate extraUpdatedCols in query rewriter, not parser. 2020-10-28 13:47:02 -04:00
snowball Update copyrights for 2020 2020-01-01 12:21:45 -05:00
statistics Initial pgindent and pgperltidy run for v13. 2020-05-14 13:06:50 -04:00
storage Fix CREATE INDEX CONCURRENTLY for simultaneous prepared transactions. 2021-01-30 00:00:42 -08:00
tcop Fix bogus completion tag usage in walsender 2020-09-16 21:16:25 -03:00
tsearch Don't leak compiled regex(es) when an ispell cache entry is dropped. 2021-03-18 21:44:43 -04:00
utils Prevent integer overflows in array subscripting calculations. 2021-05-10 10:44:38 -04:00
.gitignore Refactor dlopen() support 2018-09-06 11:33:04 +02:00
c.h pg_attribute_no_sanitize_alignment() macro 2021-02-13 17:49:08 -05:00
fmgr.h Fix minor violations of FunctionCallInvoke usage protocol. 2020-04-21 14:23:53 -04:00
funcapi.h Avoid holding a directory FD open across assorted SRF calls. 2020-03-16 21:05:52 -04:00
getaddrinfo.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
getopt_long.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
Makefile Get rid of jsonpath_gram.h and jsonpath_scanner.h 2019-03-20 11:13:34 +03:00
miscadmin.h Refactor CHECK_FOR_INTERRUPTS() to add flexibility. 2021-05-14 12:54:26 -04:00
pg_config.h.in Enable Unix-domain sockets support on Windows 2020-03-28 15:01:01 +01:00
pg_config_ext.h.in Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_manual.h Fix concurrency issues with WAL segment recycling on Windows 2021-03-22 14:02:36 +09:00
pg_getopt.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
pg_trace.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
pgstat.h Mop-up for wait event naming issues. 2020-05-16 21:00:11 -04:00
pgtar.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
pgtime.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
port.h Initial pgindent and pgperltidy run for v13. 2020-05-14 13:06:50 -04:00
postgres.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
postgres_ext.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postgres_fe.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
rusagestub.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00
windowapi.h Update copyrights for 2020 2020-01-01 12:21:45 -05:00