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slow mode for debugging

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rsc 2006-06-26 05:45:25 +00:00
parent 95e92f180a
commit f936548b5e
1 changed files with 17 additions and 2 deletions
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19
src/cmd/devdraw/x11-srv.c
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@ -87,6 +87,7 @@ void matchresized(void);
int fdnoblock(int); int fdnoblock(int);
int chatty; int chatty;
int drawsleep;
void void
usage(void) usage(void)
@ -95,6 +96,14 @@ usage(void)
exits("usage"); exits("usage");
} }
void
bell(void *v, char *msg)
{
if(strcmp(msg, "alarm") == 0)
drawsleep = drawsleep ? 0 : 1000;
noted(NCONT);
}
void void
main(int argc, char **argv) main(int argc, char **argv)
{ {
@ -111,8 +120,11 @@ main(int argc, char **argv)
usage(); usage();
}ARGEND }ARGEND
if(argc != 0) /*
usage(); * Ignore arguments. They're only for good ps -a listings.
*/
notify(bell);
fdin.rp = fdin.wp = fdin.buf; fdin.rp = fdin.wp = fdin.buf;
fdin.ep = fdin.buf+sizeof fdin.buf; fdin.ep = fdin.buf+sizeof fdin.buf;
@ -155,7 +167,10 @@ main(int argc, char **argv)
if(chatty) if(chatty)
fprint(2, "select %d...\n", top+1); fprint(2, "select %d...\n", top+1);
/* wait for something to happen */ /* wait for something to happen */
again:
if(select(top+1, &rd, &wr, &xx, NULL) < 0){ if(select(top+1, &rd, &wr, &xx, NULL) < 0){
if(errno == EINTR)
goto again;
if(chatty) if(chatty)
fprint(2, "select failure\n"); fprint(2, "select failure\n");
exits(0); exits(0);