syncdaemon: fix some pidfile issues

Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1570 (geosync related changes)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1570

1 files changed, 18 insertions, 17 deletions

diff --git a/xlators/features/marker/utils/syncdaemon/gsyncd.py b/xlators/features/marker/utils/syncdaemon/gsyncd.py
index fedf1fbdb0c..6655056489d 100644
--- a/xlators/features/marker/utils/syncdaemon/gsyncd.py
+++ b/xlators/features/marker/utils/syncdaemon/gsyncd.py
@@ -63,6 +63,17 @@ def startup(**kw):
             if fd:
                 os.close(fd)
 
+    if getattr(gconf, 'pid_file', None) and kw.get('go_daemon') != 'postconn':
+        try:
+            write_pid(gconf.pid_file)
+        except OSError:
+            gconf.pid_file = None
+            ex = sys.exc_info()[1]
+            if ex.errno == EEXIST:
+                sys.stderr.write("pidfile is taken, exiting.\n")
+                exit(2)
+            raise
+
     if kw.get('go_daemon') == 'should':
         x, y = os.pipe()
         gconf.cpid = os.fork()
@@ -70,29 +81,19 @@ def startup(**kw):
             os.close(x)
             sys.exit()
         os.close(y)
+        os.setsid()
+        dn = os.open(os.devnull, os.O_RDWR)
+        for f in (sys.stdin, sys.stdout, sys.stderr):
+            os.dup2(dn, f.fileno())
+        if getattr(gconf, 'pid_file', None):
+            write_pid(gconf.pid_file + '.tmp')
+            os.rename(gconf.pid_file + '.tmp', gconf.pid_file)
         # wait for parent to terminate
         # so we can start up with
         # no messing from the dirty
         # ol' bustard
         select.select((x,), (), ())
         os.close(x)
-        if getattr(gconf, 'pid_file', None):
-            write_pid(gconf.pid_file + '.tmp')
-            os.rename(gconf.pid_file + '.tmp', gconf.pid_file)
-        os.setsid()
-        dn = os.open(os.devnull, os.O_RDWR)
-        for f in (sys.stdin, sys.stdout, sys.stderr):
-            os.dup2(dn, f.fileno())
-    elif getattr(gconf, 'pid_file', None):
-        try:
-            write_pid(gconf.pid_file)
-        except OSError:
-            gconf.pid_file = None
-            ex = sys.exc_info()[1]
-            if ex.errno == EEXIST:
-                sys.stderr.write("pidfile is taken, exiting.\n")
-                exit(2)
-            raise
 
     lkw = {'level': gconf.log_level}
     if kw.get('log_file'):