diff options
Diffstat (limited to 'libgo/go/runtime')
| -rw-r--r-- | libgo/go/runtime/extern.go | 3 | ||||
| -rw-r--r-- | libgo/go/runtime/gc_test.go | 17 |
2 files changed, 20 insertions, 0 deletions
diff --git a/libgo/go/runtime/extern.go b/libgo/go/runtime/extern.go index 1f6b13e..6301d01 100644 --- a/libgo/go/runtime/extern.go +++ b/libgo/go/runtime/extern.go @@ -47,6 +47,9 @@ It is a comma-separated list of name=val pairs setting these named variables: that allow the garbage collector to avoid repeating a stack scan during the mark termination phase. + gcstackbarrierall: setting gcstackbarrierall=1 installs stack barriers + in every stack frame, rather than in exponentially-spaced frames. + gcstoptheworld: setting gcstoptheworld=1 disables concurrent garbage collection, making every garbage collection a stop-the-world event. Setting gcstoptheworld=2 also disables concurrent sweeping after the garbage collection finishes. diff --git a/libgo/go/runtime/gc_test.go b/libgo/go/runtime/gc_test.go index 262f87d..2a95cc7 100644 --- a/libgo/go/runtime/gc_test.go +++ b/libgo/go/runtime/gc_test.go @@ -471,4 +471,21 @@ func testAssertVar(x interface{}) error { return nil } +func TestAssertE2T2Liveness(t *testing.T) { + *runtime.TestingAssertE2T2GC = true + defer func() { + *runtime.TestingAssertE2T2GC = false + }() + + poisonStack() + testIfaceEqual(io.EOF) +} + +func testIfaceEqual(x interface{}) { + if x == "abc" { + // Prevent inlining + panic("") + } +} + */ |