Improve comment about ignoring 128 error code on Windows:

     * Microsoft reports it is related to mutex failure:
     *   http://archives.postgresql.org/pgsql-hackers/2010-09/msg00790.php

diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 6c16752d968831d0d62d1bf570ac09d8f13c60af..210d930c9a5f1e322b5b93bc03639cda11d48688 100644 (file)
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -2593,6 +2593,8 @@ CleanupBackend(int pid,
         * On win32, also treat ERROR_WAIT_NO_CHILDREN (128) as nonfatal
         * case, since that sometimes happens under load when the process fails
         * to start properly (long before it starts using shared memory).
+        * Microsoft reports it is related to mutex failure:
+        *    http://archives.postgresql.org/pgsql-hackers/2010-09/msg00790.php
         */
        if (exitstatus == ERROR_WAIT_NO_CHILDREN)
        {