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8038473: Remove support for old T1 libthread

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Reviewed-by: dholmes, coleenp, acorn, dcubed
This commit is contained in:
Frederic Parain 2014-04-03 09:28:28 +00:00
parent cf2bf09668
commit ba522e5098
16 changed files with 52 additions and 438 deletions
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13
hotspot/src/os/aix/vm/os_aix.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright 2012, 2014 SAP AG. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@ -2811,18 +2811,13 @@ void os::yield() {
os::YieldResult os::NakedYield() { sched_yield(); return os::YIELD_UNKNOWN; }
void os::yield_all(int attempts) {
void os::yield_all() {
// Yields to all threads, including threads with lower priorities
// Threads on Linux are all with same priority. The Solaris style
// os::yield_all() with nanosleep(1ms) is not necessary.
sched_yield();
}
// Called from the tight loops to possibly influence time-sharing heuristics
void os::loop_breaker(int attempts) {
os::yield_all(attempts);
}
////////////////////////////////////////////////////////////////////////////////
// thread priority support
@ -3079,7 +3074,7 @@ static bool do_suspend(OSThread* osthread) {
for (int n = 0; !osthread->sr.is_suspended(); n++) {
for (int i = 0; i < RANDOMLY_LARGE_INTEGER2 && !osthread->sr.is_suspended(); i++) {
os::yield_all(i);
os::yield_all();
}
// timeout, try to cancel the request
@ -3113,7 +3108,7 @@ static void do_resume(OSThread* osthread) {
if (sr_notify(osthread) == 0) {
for (int n = 0; n < RANDOMLY_LARGE_INTEGER && !osthread->sr.is_running(); n++) {
for (int i = 0; i < 100 && !osthread->sr.is_running(); i++) {
os::yield_all(i);
os::yield_all();
}
}
} else {