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Diffstat (limited to 'src/runtime/testdata/testprog/gomaxprocs.go')
| -rw-r--r-- | src/runtime/testdata/testprog/gomaxprocs.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprog/gomaxprocs.go b/src/runtime/testdata/testprog/gomaxprocs.go index 915e3c4dad..99bc9f1dbb 100644 --- a/src/runtime/testdata/testprog/gomaxprocs.go +++ b/src/runtime/testdata/testprog/gomaxprocs.go @@ -133,6 +133,20 @@ func UpdateGOMAXPROCS() { mustSetCPUMax(path, 200000) mustNotChangeMaxProcs(3) + // Re-enable updates. Change is immediately visible. + runtime.SetDefaultGOMAXPROCS() + procs = runtime.GOMAXPROCS(0) + println("GOMAXPROCS:", procs) + if procs != 2 { + panic(fmt.Sprintf("GOMAXPROCS got %d want %d", procs, 2)) + } + + // Setting GOMAXPROCS to itself also disables updates, despite not + // changing the value itself. + runtime.GOMAXPROCS(runtime.GOMAXPROCS(0)) + mustSetCPUMax(path, 300000) + mustNotChangeMaxProcs(2) + println("OK") } |