Merge lp:codership-mysql/5.5 -r3961..3980.

1 files changed, 17 insertions, 14 deletions

diff --git a/scripts/wsrep_sst_rsync.sh b/scripts/wsrep_sst_rsync.sh
index 4b78071542c..960eef2df4b 100755
--- a/scripts/wsrep_sst_rsync.sh
+++ b/scripts/wsrep_sst_rsync.sh
@@ -49,19 +49,21 @@ check_pid()
 check_pid_and_port()
 {
     local pid_file=$1
-    local rsync_pid=$(cat $pid_file)
-    local rsync_port=$2
-
-    if [ "$OS" == "Darwin" -o "$OS" == "FreeBSD" ]; then
-        # no netstat --program(-p) option in Darwin and FreeBSD
-        check_pid $pid_file && \
-        lsof -i -Pn 2>/dev/null | \
-        grep "(LISTEN)" | grep ":$rsync_port" | grep -w '^rsync[[:space:]]\+'"$rsync_pid" >/dev/null
-    else
-        check_pid $pid_file && \
-        netstat -lnpt 2>/dev/null | \
-        grep LISTEN | grep \:$rsync_port | grep $rsync_pid/rsync >/dev/null
+    local rsync_pid=$2
+    local rsync_port=$3
+
+    local port_info=$(lsof -i :$rsync_port -Pn 2>/dev/null | \
+        grep "(LISTEN)")
+    local is_rsync=$(echo $port_info | \
+        grep -w '^rsync[[:space:]]\+'"$rsync_pid" 2>/dev/null)
+
+    if [ -n "$port_info" -a -z "$is_rsync" ]; then
+        wsrep_log_error "rsync daemon port '$rsync_port' has been taken"
+        exit 16 # EBUSY
     fi
+    check_pid $pid_file && \
+        [ -n "$port_info" ] && [ -n "$is_rsync" ] && \
+        [ $(cat $pid_file) -eq $rsync_pid ]
 }
 
 MAGIC_FILE="$WSREP_SST_OPT_DATA/rsync_sst_complete"
@@ -234,9 +236,10 @@ EOF
 #    rm -rf "$DATA"/ib_logfile* # we don't want old logs around
 
     # listen at all interfaces (for firewalled setups)
-    rsync --daemon --port $RSYNC_PORT --config "$RSYNC_CONF"
+    rsync --daemon --no-detach --port $RSYNC_PORT --config "$RSYNC_CONF" &
+    RSYNC_REAL_PID=$!
 
-    until check_pid_and_port $RSYNC_PID $RSYNC_PORT
+    until check_pid_and_port $RSYNC_PID $RSYNC_REAL_PID $RSYNC_PORT
     do
         sleep 0.2
     done