Remove unused ShutdownLatchSupport() function

The only caller was removed in commit 80a8f95b3b. I don't foresee
needing it any time soon, and I'm working on some big changes in this
area, so let's remove it out of the way.

Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/8a507fb6-df28-49d3-81a5-ede180d7f0fb@iki.fi

diff --git a/src/backend/storage/ipc/latch.c b/src/backend/storage/ipc/latch.c
index 4572684f2242e8a142bd9640adfb00b412a85bcb..cd09a10f3d118056ed47198b3f3248b61d31416e 100644 (file)
--- a/src/backend/storage/ipc/latch.c
+++ b/src/backend/storage/ipc/latch.c
@@ -360,33 +360,6 @@ InitializeLatchWaitSet(void)
        Assert(latch_pos == LatchWaitSetLatchPos);
 }
 
-void
-ShutdownLatchSupport(void)
-{
-#if defined(WAIT_USE_POLL)
-       pqsignal(SIGURG, SIG_IGN);
-#endif
-
-       if (LatchWaitSet)
-       {
-               FreeWaitEventSet(LatchWaitSet);
-               LatchWaitSet = NULL;
-       }
-
-#if defined(WAIT_USE_SELF_PIPE)
-       close(selfpipe_readfd);
-       close(selfpipe_writefd);
-       selfpipe_readfd = -1;
-       selfpipe_writefd = -1;
-       selfpipe_owner_pid = InvalidPid;
-#endif
-
-#if defined(WAIT_USE_SIGNALFD)
-       close(signal_fd);
-       signal_fd = -1;
-#endif
-}
-
 /*
  * Initialize a process-local latch.
  */

diff --git a/src/include/storage/latch.h b/src/include/storage/latch.h
index bf568124df9246be00d785c7fc130288b25f15ff..66e7a5b7c08cddcd60c4ea4463662324f071a6a4 100644 (file)
--- a/src/include/storage/latch.h
+++ b/src/include/storage/latch.h
@@ -173,7 +173,6 @@ extern void OwnLatch(Latch *latch);
 extern void DisownLatch(Latch *latch);
 extern void SetLatch(Latch *latch);
 extern void ResetLatch(Latch *latch);
-extern void ShutdownLatchSupport(void);
 
 extern WaitEventSet *CreateWaitEventSet(ResourceOwner resowner, int nevents);
 extern void FreeWaitEventSet(WaitEventSet *set);