aboutsummaryrefslogtreecommitdiff
path: root/src/backend/utils/init/miscinit.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/utils/init/miscinit.c')
-rw-r--r--src/backend/utils/init/miscinit.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/utils/init/miscinit.c b/src/backend/utils/init/miscinit.c
index 03b28c3604a..98c2c1949d4 100644
--- a/src/backend/utils/init/miscinit.c
+++ b/src/backend/utils/init/miscinit.c
@@ -320,6 +320,14 @@ InitStandaloneProcess(const char *argv0)
MyStartTime = time(NULL); /* set our start time in case we call elog */
+ /*
+ * Initialize random() for the first time, like PostmasterMain() would.
+ * In a regular IsUnderPostmaster backend, BackendRun() computes a
+ * high-entropy seed before any user query. Fewer distinct initial seeds
+ * can occur here.
+ */
+ srandom((unsigned int) (MyProcPid ^ MyStartTime));
+
/* Initialize process-local latch support */
InitializeLatchSupport();
MyLatch = &LocalLatchData;