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runtime gc bug.

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semacquire might move to another m.

R=r
DELTA=5  (2 added, 2 deleted, 1 changed)
OCL=33317
CL=33326
This commit is contained in:
Russ Cox 2009-08-14 20:33:20 -07:00
parent 4023dce70f
commit b21425ddee
1 changed files with 2 additions and 2 deletions
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4
src/pkg/runtime/mgc0.c
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@ -221,8 +221,8 @@ gc(int32 force)
return;
//printf("gc...\n");
m->gcing = 1;
semacquire(&gcsema);
m->gcing = 1;
stoptheworld();
if(mheap.Lock.key != 0)
throw("mheap locked during gc");
@ -232,6 +232,6 @@ gc(int32 force)
mstats.next_gc = mstats.inuse_pages+mstats.inuse_pages*gcpercent/100;
}
starttheworld();
semrelease(&gcsema);
m->gcing = 0;
semrelease(&gcsema);
}