[src/trunk]: src/usr.bin/make Just skip polling job token pipe.

[sjg <sjg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/15d5ec87af2d
branches:  trunk
changeset: 319018:15d5ec87af2d
user:      sjg <sjg%NetBSD.org@localhost>
date:      Sun May 13 22:13:28 2018 +0000
description:
Just skip polling job token pipe.

The sigchld pipe ensures no busy wait.

PR: 53285
Reviewed by:

diffstat:

 usr.bin/make/job.c |  7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diffs (34 lines):

diff -r 5a0b6e25de31 -r 15d5ec87af2d usr.bin/make/job.c
--- a/usr.bin/make/job.c        Sun May 13 18:52:00 2018 +0000
+++ b/usr.bin/make/job.c        Sun May 13 22:13:28 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: job.c,v 1.194 2018/05/13 12:10:36 christos Exp $       */
+/*     $NetBSD: job.c,v 1.195 2018/05/13 22:13:28 sjg Exp $    */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: job.c,v 1.194 2018/05/13 12:10:36 christos Exp $";
+static char rcsid[] = "$NetBSD: job.c,v 1.195 2018/05/13 22:13:28 sjg Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)job.c      8.2 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: job.c,v 1.194 2018/05/13 12:10:36 christos Exp $");
+__RCSID("$NetBSD: job.c,v 1.195 2018/05/13 22:13:28 sjg Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -2950,7 +2950,6 @@
        }
        if (DEBUG(JOB))
            fprintf(debug_file, "(%d) blocked for token\n", getpid());
-       wantToken = 1;
        return FALSE;
     }