From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 1 Oct 2012 14:14:35 +0000 (-0400)
Subject: Add C comment that IsBackendPid() is called by external modules, so we
X-Git-Tag: REL9_3_BETA1~859
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbdb2172a0940cc18985a0c2b20cdb002fdf8466;p=thirdparty%2Fpostgresql.git

Add C comment that IsBackendPid() is called by external modules, so we
don't accidentally remove it.
---

diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
index 984c2861cc6..d38164caa73 100644
--- a/src/backend/storage/ipc/procarray.c
+++ b/src/backend/storage/ipc/procarray.c
@@ -1929,6 +1929,8 @@ BackendXidGetPid(TransactionId xid)
 
 /*
  * IsBackendPid -- is a given pid a running backend
+ *
+ * This is not called by the backend, but is called by external modules.
  */
 bool
 IsBackendPid(int pid)