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| author | Russ Cox <rsc@golang.org> | 2014-10-03 13:36:48 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-10-03 13:36:48 -0400 |
| commit | 4f87028de45e479d54ad7b18335abb4842e830ae (patch) | |
| tree | 1053b53f4e6a749aafc2cc3b55ad2503cf119505 /src/runtime/sema.go | |
| parent | f35c97b05d197e8dbcebec48c052912e8e83ee2a (diff) | |
| download | go-4f87028de45e479d54ad7b18335abb4842e830ae.tar.gz | |
runtime: clear stale values from G.param and SudoG.elem
This change was necessary on the dev.garbage branch
to keep the garbage collector from seeing pointers into
invalid heap areas.
On this default (Go 1.4) branch, the change removes
some possibility for memory leaks.
LGTM=khr
R=golang-codereviews, khr
CC=golang-codereviews, iant, r, rlh
https://codereview.appspot.com/155760043
Diffstat (limited to 'src/runtime/sema.go')
| -rw-r--r-- | src/runtime/sema.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/runtime/sema.go b/src/runtime/sema.go index 504462de3..a42a29988 100644 --- a/src/runtime/sema.go +++ b/src/runtime/sema.go @@ -173,6 +173,7 @@ func (root *semaRoot) dequeue(s *sudog) { } else { root.head = s.next } + s.elem = nil s.next = nil s.prev = nil } |