commit 26e08abe71fe66703e06afae1168144dd1eecf3f
Author: Miroslav Lichvar <mlichvar@redhat.com>
Date:   Thu Jun 7 16:43:59 2018 +0200

    main: create directories before writing pidfile
    
    This makes it possible to save pidfile in /var/run/chrony.

diff --git a/main.c b/main.c
index a2202e9..e538cc5 100644
--- a/main.c
+++ b/main.c
@@ -530,9 +530,6 @@ int main
   /* Check whether another chronyd may already be running */
   check_pidfile();
 
-  /* Write our pidfile to prevent other chronyds running */
-  write_pidfile();
-
   if (!user)
     user = CNF_GetUser();
 
@@ -543,6 +540,9 @@ int main
   /* Create directories for sockets, log files, and dump files */
   CNF_CreateDirs(pw->pw_uid, pw->pw_gid);
 
+  /* Write our pidfile to prevent other instances from running */
+  write_pidfile();
+
   PRV_Initialise();
   LCL_Initialise();
   SCH_Initialise();

commit e50dc739d88feca6e0da034406034f3d3cf60ca4
Author: Miroslav Lichvar <mlichvar@redhat.com>
Date:   Thu Jun 7 16:54:59 2018 +0200

    configure: move default pidfile to /var/run/chrony
    
    This allows chronyd to remove its pidfile on exit after dropping the
    root privileges in order to prevent another chronyd instance from
    failing to start, e.g. due to a wrong SELinux label from chronyd -q.

diff --git a/configure b/configure
index 25773de..c5de5ea 100755
--- a/configure
+++ b/configure
@@ -108,7 +108,7 @@ For better control, use the options below.
                          since 1970-01-01 [50*365 days ago]
   --with-user=USER       Specify default chronyd user [root]
   --with-hwclockfile=PATH Specify default path to hwclock(8) adjtime file
-  --with-pidfile=PATH    Specify default pidfile [/var/run/chronyd.pid]
+  --with-pidfile=PATH    Specify default pidfile [/var/run/chrony/chronyd.pid]
   --with-rtcdevice=PATH  Specify default path to RTC device [/dev/rtc]
   --with-sendmail=PATH   Path to sendmail binary [/usr/lib/sendmail]
   --enable-debug         Enable debugging support
@@ -229,7 +229,7 @@ feat_ntp_signd=0
 ntp_era_split=""
 default_user="root"
 default_hwclockfile=""
-default_pidfile="/var/run/chronyd.pid"
+default_pidfile="/var/run/chrony/chronyd.pid"
 default_rtcdevice="/dev/rtc"
 mail_program="/usr/lib/sendmail"
 

commit 10150bfcab76141b3a9c33b95ad71904fe8ecca2
Author: Miroslav Lichvar <mlichvar@redhat.com>
Date:   Thu Jun 7 17:43:57 2018 +0200

    examples: update pidfile in chronyd.service

diff --git a/examples/chronyd.service b/examples/chronyd.service
index 4ffe3b1..1777413 100644
--- a/examples/chronyd.service
+++ b/examples/chronyd.service
@@ -7,7 +7,7 @@ ConditionCapability=CAP_SYS_TIME
 
 [Service]
 Type=forking
-PIDFile=/var/run/chronyd.pid
+PIDFile=/var/run/chrony/chronyd.pid
 EnvironmentFile=-/etc/sysconfig/chronyd
 ExecStart=/usr/sbin/chronyd $OPTIONS
 PrivateTmp=yes