tslow mode for debugging - plan9port - [fork] Plan 9 from user space
 (HTM) git clone git://src.adamsgaard.dk/plan9port
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       ---
 (DIR) commit f936548b5e1dc6cff6e422867a4265c64ebbcfd1
 (DIR) parent 95e92f180a92afc36d4e32cb9389d46f4831b2b8
 (HTM) Author: rsc <devnull@localhost>
       Date:   Mon, 26 Jun 2006 05:45:25 +0000
       
       slow mode for debugging
       
       Diffstat:
         M src/cmd/devdraw/x11-srv.c           |      19 +++++++++++++++++--
       
       1 file changed, 17 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/src/cmd/devdraw/x11-srv.c b/src/cmd/devdraw/x11-srv.c
       t@@ -87,6 +87,7 @@ void matchresized(void);
        int fdnoblock(int);
        
        int chatty;
       +int drawsleep;
        
        void
        usage(void)
       t@@ -96,6 +97,14 @@ usage(void)
        }
        
        void
       +bell(void *v, char *msg)
       +{
       +        if(strcmp(msg, "alarm") == 0)
       +                drawsleep = drawsleep ? 0 : 1000;
       +        noted(NCONT);
       +}
       +
       +void
        main(int argc, char **argv)
        {
                int n, top, firstx;
       t@@ -110,9 +119,12 @@ main(int argc, char **argv)
                default:
                        usage();
                }ARGEND
       +
       +        /*
       +         * Ignore arguments.  They're only for good ps -a listings.
       +         */
                
       -        if(argc != 0)
       -                usage();
       +        notify(bell);
        
                fdin.rp = fdin.wp = fdin.buf;
                fdin.ep = fdin.buf+sizeof fdin.buf;
       t@@ -155,7 +167,10 @@ main(int argc, char **argv)
                        if(chatty)
                                fprint(2, "select %d...\n", top+1);
                        /* wait for something to happen */
       +            again:
                        if(select(top+1, &rd, &wr, &xx, NULL) < 0){
       +                        if(errno == EINTR)
       +                                goto again;
                                if(chatty)
                                        fprint(2, "select failure\n");
                                exits(0);