postgres.git / summary / log / commit / refs
commit 4bcb3946249cbeed157ffd545a804913cfce749b
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed May 28 02:01:13 2014 +0000
Propagate system identifier generation improvement into pg_resetxlog.
Commit 5035701e07e8bd395aa878465a102afd7b74e8c3 improved xlog.c's method
for creating a database system identifier, but I neglected to fix the
copy of that code appearing in pg_resetxlog.c. Spotted by Andres Freund.
src/bin/pg_resetxlog/pg_resetxlog.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/bin/pg_resetxlog/pg_resetxlog.c b/src/bin/pg_resetxlog/pg_resetxlog.c
index 8671c0a4a3d..d11280e1d4d 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -492,7 +492,8 @@ GuessControlValues(void)
*/
gettimeofday(&tv, NULL);
sysidentifier = ((uint64) tv.tv_sec) << 32;
- sysidentifier |= (uint32) (tv.tv_sec | tv.tv_usec);
+ sysidentifier |= ((uint64) tv.tv_usec) << 12;
+ sysidentifier |= getpid() & 0xFFF;
ControlFile.system_identifier = sysidentifier;
[parent: 49cf2cd815d6]