diff options
Diffstat (limited to 'libgo/go/runtime/testdata/testprog/preempt.go')
| -rw-r--r-- | libgo/go/runtime/testdata/testprog/preempt.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libgo/go/runtime/testdata/testprog/preempt.go b/libgo/go/runtime/testdata/testprog/preempt.go index 1c74d0e4352..fb6755a3725 100644 --- a/libgo/go/runtime/testdata/testprog/preempt.go +++ b/libgo/go/runtime/testdata/testprog/preempt.go @@ -20,6 +20,10 @@ func AsyncPreempt() { runtime.GOMAXPROCS(1) // Disable GC so we have complete control of what we're testing. debug.SetGCPercent(-1) + // Out of an abundance of caution, also make sure that there are + // no GCs actively in progress. The sweep phase of a GC cycle + // for instance tries to preempt Ps at the very beginning. + runtime.GC() // Start a goroutine with no sync safe-points. var ready, ready2 uint32 |