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Annotation of 43BSD/old/berknet/netstart.c, revision 1.1

1.1     ! root        1: static char sccsid[] = "@(#)netstart.c 4.1     (Berkeley)      9/12/82";
        !             2: 
        !             3: # include "defs.h"
        !             4: /* sccs id variable */
        !             5: static char *netstart_sid = "@(#)netstart.c    1.2";
        !             6: 
        !             7: /*
        !             8:  * this is a simple program to start up the net daemon,
        !             9:  * and when it fails, restart it
        !            10:  * 
        !            11:  */
        !            12: static int daemon = 32767;             /* a nice safe process number */
        !            13: main(argc,argv)
        !            14:   char **argv; {
        !            15:        int r,killit(),pid;
        !            16:        while((pid = fork()) == -1)sleep(2);
        !            17:        if(pid != 0)exit(EX_OK);
        !            18:        submit(getpid());
        !            19:        signal(SIGQUIT,SIG_IGN);
        !            20:        signal(SIGHUP,SIG_IGN);
        !            21:        signal(SIGINT,SIG_IGN);
        !            22:        signal(SIGTERM,killit);
        !            23:        /* will set remote */
        !            24:        parseargs(argc,argv);
        !            25:        addtolog(remote,"Netstart started, process id #%d\n",getpid());
        !            26:        for(;;){
        !            27:                while((daemon=fork()) == -1)sleep(2);
        !            28:                if(daemon == 0){
        !            29:                        argv[0] = "netdaemon";
        !            30:                        argv[argc] = 0;
        !            31:                        execv(NETDAEMON,argv);
        !            32:                        exit(EX_UNAVAILABLE);
        !            33:                        }
        !            34:                wait(&r);
        !            35:                addtolog(remote,"Net daemon exit code %d, low byte 0%o\n",
        !            36:                        (r>>8), (r&0377));
        !            37:                sleep(100);             /* avoid looping too fast */
        !            38:                }
        !            39:        }
        !            40: killit(){
        !            41:        kill(daemon,SIGTERM);           /* send terminate */
        !            42:        sleep(2);                       /* wait till cleanup */
        !            43:        kill(daemon,SIGKILL);           /* kill in case too */
        !            44:        exit(EX_OK);
        !            45:        }
        !            46: /* add to allow netstart.c to load */
        !            47: initseqno(){};

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