File 0001-Low-mcp-conditionalize-procfs-usage-1.1.patch of Package pacemaker.openSUSE_Leap_42.3_Update

From 601c4a401bb2951920ebacf7bc512951fbd4c673 Mon Sep 17 00:00:00 2001
From: Ken Gaillot <kgaillot@redhat.com>
Date: Tue, 13 Mar 2018 15:32:23 -0500
Subject: [PATCH] Low: mcp: conditionalize procfs usage

to avoid unnecessary log messages on OSes that don't support /proc

fixes CLBZ#5344
---
 mcp/pacemaker.c | 39 +++++++++++----------------------------
 1 file changed, 11 insertions(+), 28 deletions(-)

diff --git a/mcp/pacemaker.c b/mcp/pacemaker.c
index 242fd5088..f57fc2589 100644
--- a/mcp/pacemaker.c
+++ b/mcp/pacemaker.c
@@ -1,19 +1,8 @@
 /*
- * Copyright (C) 2010 Andrew Beekhof <andrew@beekhof.net>
+ * Copyright 2010-2018 Andrew Beekhof <andrew@beekhof.net>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * This source code is licensed under the GNU General Public License version 2
+ * or later (GPLv2+) WITHOUT ANY WARRANTY.
  */
 
 #include <crm_internal.h>
@@ -722,19 +711,20 @@ check_active_before_startup_processes(gpointer user_data)
     return keep_tracking;
 }
 
-static bool
+static void
 find_and_track_existing_processes(void)
 {
+#if SUPPORT_PROCFS
     DIR *dp;
     struct dirent *entry;
-    int start_tracker = 0;
+    bool start_tracker = FALSE;
     char entry_name[64];
 
     dp = opendir("/proc");
     if (!dp) {
         /* no proc directory to search through */
         crm_notice("Can not read /proc directory to track existing components");
-        return FALSE;
+        return;
     }
 
     while ((entry = readdir(dp)) != NULL) {
@@ -758,7 +748,7 @@ find_and_track_existing_processes(void)
                 crm_notice("Tracking existing %s process (pid=%d)", name, pid);
                 pcmk_children[i].pid = pid;
                 pcmk_children[i].active_before_startup = TRUE;
-                start_tracker = 1;
+                start_tracker = TRUE;
                 break;
             }
         }
@@ -769,8 +759,9 @@ find_and_track_existing_processes(void)
                               NULL);
     }
     closedir(dp);
-
-    return start_tracker;
+#else
+    crm_notice("No procfs support, so skipping check for existing components");
+#endif // SUPPORT_PROCFS
 }
 
 static void
@@ -1041,14 +1032,6 @@ main(int argc, char **argv)
                        " Core files are an important diagnositic tool,"
                        " please consider enabling them by default.");
         }
-#if 0
-        /* system() is not thread-safe, can't call from here
-         * Actually, it's a pretty hacky way to try and achieve this anyway
-         */
-        if (system("echo 1 > /proc/sys/kernel/core_uses_pid") != 0) {
-            crm_perror(LOG_ERR, "Could not enable /proc/sys/kernel/core_uses_pid");
-        }
-#endif
     }
     rc = pcmk_ok;
 
-- 
2.16.4