Path: utzoo!mnetor!uunet!husc6!bbn!rochester!PT.CS.CMU.EDU!IUS1.CS.CMU.EDU!edw
From: edw@IUS1.CS.CMU.EDU (Eddie Wyatt)
Newsgroups: comp.unix.questions
Subject: Re: Changing CPU limits
Message-ID: <1198@PT.CS.CMU.EDU>
Date: 22 Mar 88 23:01:55 GMT
References: <12569@brl-adm.ARPA>
Sender: netnews@PT.CS.CMU.EDU
Organization: Carnegie-Mellon University, CS/RI
Lines: 23


 > It appears that ULTRIX determines the cpu limit for a process at process
 > creation.  I can use the "limit" command to change my cpu limit for the
 > current process (csh) and any future processes.  My question:  is there 
 > a way to modify this limit once the process is already running?  Then if a 
 > process I had running in the background was approaching its cpu limit, I 
 > could up the limit and avoid having to restart the process from scratch.  
 > Any ideas would be appreciated.  Thanks.

    {
    struct rlimit rlp;

    getrlimit(RLIMIT_CPU,&rlp);
    rlp.rlim_cur = rlp.rlim_max;
    setrlimit(RLIMIT_CPU,&rlp);
    }

This will set the cpu limit to the hard limit (can't go high unless your root).


-- 

Eddie Wyatt 				e-mail: edw@ius1.cs.cmu.edu