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Andres Freund 980a3cd48a Avoid need for valgrind suppressions for pg_atomic_init_u64 on some platforms. 
Previously we used pg_atomic_write_64_impl inside
pg_atomic_init_u64. That works correctly, but on platforms without
64bit single copy atomicity it could trigger spurious valgrind errors
about uninitialized memory, because we use compare_and_swap for atomic
writes on such platforms.

I previously suppressed one instance of this problem (6c878edc1d),
but as Tom reports that wasn't enough. As the atomic variable cannot
yet be concurrently accessible during initialization, it seems better
to have pg_atomic_init_64_impl set the value directly.

Change pg_atomic_init_u32_impl for symmetry.

Reported-By: Tom Lane
Author: Andres Freund
Discussion: https://postgr.es/m/1714601.1591503815@sss.pgh.pa.us
Backpatch: 9.5-
2020-06-08 20:02:52 -07:00
..
access Get rid of trailing semicolons in C macro definitions. 2020-05-01 17:28:00 -04:00
bootstrap Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
catalog Heed lock protocol in DROP OWNED BY 2020-05-06 12:29:41 -04:00
commands Fix many typos and inconsistencies 2019-07-01 10:00:23 +09:00
common Update unicode_norm_table.h to Unicode 12.1.0 2019-06-24 22:50:56 +02:00
datatype Update copyright for 2019 2019-01-02 12:44:25 -05:00
executor Minor code review for tuple slot rewrite. 2019-11-06 12:00:17 -05:00
fe_utils Fix parallel restore of FKs to partitioned tables 2019-10-17 09:58:01 +02:00
foreign Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
jit Fix duplicated words in comments 2019-05-14 09:37:35 +09:00
lib Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
libpq Switch position of some declarations in libpq.h 2019-06-09 11:33:52 +09:00
mb Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
nodes Revert "Skip WAL for new relfilenodes, under wal_level=minimal." 2020-03-22 09:24:13 -07:00
optimizer Generate EquivalenceClass members for partitionwise child join rels. 2019-11-05 11:42:25 -05:00
parser Fill in extraUpdatedCols in logical replication 2020-02-17 15:21:12 +01:00
partitioning Improve pruning of a default partition 2019-08-04 11:18:45 -04:00
port Avoid need for valgrind suppressions for pg_atomic_init_u64 on some platforms. 2020-06-08 20:02:52 -07:00
portability Update copyright for 2019 2019-01-02 12:44:25 -05:00
postmaster Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
regex Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
replication Don't call palloc() while holding a spinlock, either. 2020-06-03 12:36:24 -04:00
rewrite Defend against self-referential views in relation_is_updatable(). 2019-11-21 16:21:43 -05:00
snowball Update copyright for 2019 2019-01-02 12:44:25 -05:00
statistics Fix choose_best_statistics to check clauses individually 2019-11-28 22:26:25 +01:00
storage Revert "Skip WAL for new relfilenodes, under wal_level=minimal." 2020-03-22 09:24:13 -07:00
tcop Fix many typos and inconsistencies 2019-07-01 10:00:23 +09:00
tsearch Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
utils Use query collation, not column's collation, while examining statistics. 2020-06-05 16:18:50 -04:00
.gitignore Refactor dlopen() support 2018-09-06 11:33:04 +02:00
c.h Fix integer-overflow edge case detection in interval_mul and pgbench. 2019-11-07 11:22:59 -05:00
fmgr.h Fix minor violations of FunctionCallInvoke usage protocol. 2020-04-21 14:23:58 -04:00
funcapi.h Avoid holding a directory FD open across assorted SRF calls. 2020-03-16 21:05:53 -04:00
getaddrinfo.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
getopt_long.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
Makefile Get rid of jsonpath_gram.h and jsonpath_scanner.h 2019-03-20 11:13:34 +03:00
miscadmin.h Add unlikely() to CHECK_FOR_INTERRUPTS() 2020-06-05 16:49:28 -04:00
pg_config.h.in Stamp 12.2. 2020-02-10 17:14:51 -05:00
pg_config.h.win32 Stamp 12.3. 2020-05-11 17:08:58 -04:00
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_ext.h.win32 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 Update copyright for 2019 2019-01-02 12:44:25 -05:00
pg_getopt.h Use our own getopt() on OpenBSD. 2019-01-18 15:06:26 -05:00
pg_trace.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
pgstat.h Add GUC variables for stat tracking and timeout as PGDLLIMPORT 2020-01-21 13:46:55 +09:00
pgtar.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
pgtime.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
port.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
postgres.h Change function call information to be variable length. 2019-01-26 14:17:52 -08:00
postgres_ext.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postgres_fe.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
rusagestub.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
windowapi.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00