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runtime: fix windows cpu profiling

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R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/7407044
This commit is contained in:
Dmitriy Vyukov 2013-02-23 10:07:41 +04:00
parent 353ce60f6e
commit 1e957b6245
1 changed files with 2 additions and 1 deletions
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3
src/pkg/runtime/proc.c
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@ -1715,7 +1715,8 @@ runtime·sigprof(uint8 *pc, uint8 *sp, uint8 *lr, G *gp)
{
int32 n;
if(m == nil || m->mcache == nil)
// Windows does profiling in a dedicated thread w/o m.
if(!Windows && (m == nil || m->mcache == nil))
return;
if(prof.fn == nil || prof.hz == 0)
return;