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runtime: document that GC blocks the whole program

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No code changes. Just make it clear that runtime.GC is not concurrent.

Change-Id: I00a99ebd26402817c665c9a128978cef19f037be
Reviewed-on: https://go-review.googlesource.com/12345
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Rob Pike 2015-07-18 07:37:51 +10:00
parent 3549178e55
commit ed9a4c91c2
1 changed files with 1 additions and 1 deletions
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2
src/runtime/mgc.go
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@ -770,7 +770,7 @@ var work struct {
initialHeapLive uint64 initialHeapLive uint64
} }
// GC runs a garbage collection and blocks until the garbage // GC runs a garbage collection and blocks the entire program until the
// collection is complete. // collection is complete.
func GC() { func GC() {
startGC(gcForceBlockMode) startGC(gcForceBlockMode)