查找 SqlServer死锁

use master

if exists (select * from dbo.sysobjects where id =
object_id(N'[dbo].[sp_who_lock]')
and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_who_lock]
GO
create  procedure sp_who_lock
as
begin
declare @spid int,@bl int,
        @intTransactionCountOnEntry  int,
        @intRowcount    int,
        @intCountProperties   int,
        @intCounter    int
 create table #tmp_lock_who (id int identity(1,1)
 ,spid smallint,bl smallint)

 IF @@ERROR<>0 RETURN @@ERROR

 insert into #tmp_lock_who(spid,bl) select  0 ,blocked
   from (select * from sysprocesses where  blocked>0 ) a
   where not exists(select * from (select * from
   sysprocesses where  blocked>0 ) b
   where a.blocked=spid)
   union select spid,blocked from sysprocesses where  blocked>0
 IF @@ERROR<>0 RETURN @@ERROR 

-- 找到临时表的记录数
 select  @intCountProperties = Count(*),@intCounter = 1
 from #tmp_lock_who

 IF @@ERROR<>0 RETURN @@ERROR 

 if @intCountProperties=0
  select '现在没有阻塞和死锁信息' as message
-- 循环开始
while @intCounter <= @intCountProperties
begin
-- 取第一条记录
  select  @spid = spid,@bl = bl
  from #tmp_lock_who where id = @intCounter
 begin
  if @spid =0
    select '引起数据库死锁的是: '+ CAST(@bl AS VARCHAR(10))
     + '进程号,其执行的SQL语法如下'
 else
    select '进程号SPID：'+ CAST(@spid AS VARCHAR(10))+ '被'
    + '进程号SPID：'+ CAST(@bl AS VARCHAR(10))
     +'阻塞,其当前进程执行的SQL语法如下'
 DBCC INPUTBUFFER (@bl )
 end
-- 循环指针下移
 set @intCounter = @intCounter + 1
end
drop table #tmp_lock_who
return 0
end