code review 5279048: runtime: faster and more scalable GC

src/pkg/runtime/export_test.go

 // Copyright 2010 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // Export guts for testing.
 
 package runtime
 
 var Fadd64 = fadd64
 var Fsub64 = fsub64
 var Fmul64 = fmul64
 var Fdiv64 = fdiv64
 var F64to32 = f64to32
 var F32to64 = f32to64
 var Fcmp64 = fcmp64
 var Fintto64 = fintto64
 var F64toint = f64toint
 
 func entersyscall()
 func exitsyscall()
 func golockedOSThread() bool
+func stackguard() (sp, limit uintptr)
 
 var Entersyscall = entersyscall
 var Exitsyscall = exitsyscall
 var LockedOSThread = golockedOSThread
+var Stackguard = stackguard
 
-func CTestAtomic64()
-func CTestLockFreeStack()
-func CTestLockFreeStackStress()
-func CTestParfor()
-func CTestParforSetup()
-func CTestParforNonblock()
-func CTestParforParallel()
+func CTestAtomic64(isShort bool)
+func CTestLockFreeStack(isShort bool)
+func CTestLockFreeStackStress(isShort bool)
+func CTestParfor(isShort bool)
+func CTestParforSetup(isShort bool)
+func CTestParforNonblock(isShort bool)
+func CTestParforParallel(isShort bool)
+func CTestGcprocs(isShort bool)