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8068592: Remove unused code in objectMonitor.hpp

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Reviewed-by: dholmes, redestad, gthornbr
This commit is contained in:
Daniel D. Daugherty 2016-07-07 14:58:17 -07:00
parent 4d5d6cabdd
commit 8f7e6e317c
3 changed files with 4 additions and 34 deletions
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14
hotspot/src/share/vm/runtime/objectMonitor.cpp
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@ -131,8 +131,6 @@ static int Knob_MoveNotifyee = 2; // notify() - disposition of noti
static int Knob_QMode = 0; // EntryList-cxq policy - queue discipline
static volatile int InitDone = 0;
#define TrySpin TrySpin_VaryDuration
// -----------------------------------------------------------------------------
// Theory of operations -- Monitors lists, thread residency, etc:
//
@ -1848,13 +1846,8 @@ void ObjectMonitor::notifyAll(TRAPS) {
// hysteresis control to damp the transition rate between spinning and
// not spinning.
intptr_t ObjectMonitor::SpinCallbackArgument = 0;
int (*ObjectMonitor::SpinCallbackFunction)(intptr_t, int) = NULL;
// Spinning: Fixed frequency (100%), vary duration
int ObjectMonitor::TrySpin_VaryDuration(Thread * Self) {
int ObjectMonitor::TrySpin(Thread * Self) {
// Dumb, brutal spin. Good for comparative measurements against adaptive spinning.
int ctr = Knob_FixedSpin;
if (ctr != 0) {
@ -1948,11 +1941,6 @@ int ObjectMonitor::TrySpin_VaryDuration(Thread * Self) {
goto Abort; // abrupt spin egress
}
if (Knob_UsePause & 1) SpinPause();
int (*scb)(intptr_t,int) = SpinCallbackFunction;
if (hits > 50 && scb != NULL) {
int abend = (*scb)(SpinCallbackArgument, 0);
}
}
if (Knob_UsePause & 2) SpinPause();