From: Russ Cox <rsc@golang.org>
Date: Mon, 1 Jul 2013 21:57:09 +0000 (-0400)
Subject: runtime: disable preemption
X-Git-Tag: go1.2rc2~1131
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=08e064135dfd6ec5cd09ac07134a9817425aac06;p=gostls13.git

runtime: disable preemption

There are various problems, and both Dmitriy and I
will be away for the next week. Make the runtime a bit
more stable while we're gone.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10848043
---

diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index b93f4911d7..cddbefc0f4 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -2149,6 +2149,12 @@ preemptone(P *p)
 	M *mp;
 	G *gp;
 
+// Preemption requires more robust traceback routines.
+// For now, disable.
+// The if(1) silences a compiler warning about the rest of the
+// function being unreachable.
+if(1) return;
+
 	mp = p->m;
 	if(mp == nil || mp == m)
 		return;