first commit

常用脚本/shell/rc.pwatch_mul

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+#!/bin/bash
+   
+type pgrep > /dev/null || exit 1
+[ 2 -gt $# ] && echo -e "\tUsage:$0 {start|stop} {cmd}\n" && exit 1
+ 
+cd $(dirname $0)/../
+WATCH_LOG=/var/log/watch_proc.log
+WATCH_NAME=$(basename $0)
+OPERATION=$1
+shift
+PROC_CMD="$*"
+PROC_NAME=$(basename ${PROC_CMD%% *})
+PROC_ARGS="${PROC_CMD#*$PROC_NAME}"
+
+function StopProc {
+    local cpids=$(pgrep -P $1)
+    local cpid=
+    printf "%${2}s|-$1\n"
+    [ -f /proc/$1/stat ] && kill $1
+    local n=$(expr 2 + $2)
+    for cpid in $cpids; do
+        StopProc "$cpid" $n
+    done
+}
+
+case $OPERATION in
+    start)
+        pid=$(pgrep -f "$WATCH_NAME +start +[^ ]*\<$PROC_NAME\>$PROC_ARGS$")
+        pid=$(echo -e "$pid"|grep -v "^$$$")
+        [ -n "$pid" ] && echo "WATCH on \"$PROC_CMD\" is runing with PID:$pid" && exit 2
+        while :; do
+            $PROC_CMD > /dev/null 2>/dev/null &
+            pid=$!
+            while sleep 4; do [ -f /proc/$pid/stat ] || break; done
+            echo "$(date +'%F %T') \"$PROC_CMD\" quit exceptionally!" >> $WATCH_LOG
+            StopProc "$pid" 0 >> $WATCH_LOG
+            echo "$(date +'%F %T') \"$PROC_CMD\" restart." >> $WATCH_LOG
+        done > /dev/null 2>/dev/null & ;;
+    stop)
+        ppid=$(pgrep -f "$WATCH_NAME +start +[^ ]*\<$PROC_NAME\>$PROC_ARGS$")
+        [ -z "$ppid" ] && echo "No WATCH on \"$PROC_CMD\" !" && exit 1
+        pid=$(pgrep -lP $ppid|grep -v '^[0-9]\+ \+sleep$'|awk '{print $1}')
+        [ -z "$pid" ] && echo "No process: \"$PROC_CMD\"" && kill -9 $ppid && exit 0
+        kill -9 $ppid
+        echo "$(date +'%F %T') \"$PROC_CMD\" quit manually." >> $WATCH_LOG
+        StopProc "$pid" 0
+        exit 0 ;;
+    *)
+        echo -e "\tUsage:$0 start|stop cmd argv ...\n" ;;
+esac
+