author | shade |
Wed, 15 Jun 2016 11:21:36 +0300 | |
changeset 39419 | cc993a4ab581 |
parent 38281 | b28e2739b429 |
child 40059 | c2304140ed64 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @bug 8143628 |
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* @summary Test unsafe access for $type$ |
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* @modules $module$/$package$ |
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* @run testng/othervm -Diters=100 -Xint $Qualifier$UnsafeAccessTest$Type$ |
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* @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 $Qualifier$UnsafeAccessTest$Type$ |
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* @run testng/othervm -Diters=20000 -XX:-TieredCompilation $Qualifier$UnsafeAccessTest$Type$ |
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* @run testng/othervm -Diters=20000 $Qualifier$UnsafeAccessTest$Type$ |
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*/ |
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import org.testng.annotations.Test; |
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import java.lang.reflect.Field; |
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import static org.testng.Assert.*; |
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public class $Qualifier$UnsafeAccessTest$Type$ { |
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static final int ITERS = Integer.getInteger("iters", 1); |
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static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10); |
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static final $package$.Unsafe UNSAFE; |
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static final long V_OFFSET; |
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|
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static final Object STATIC_V_BASE; |
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|
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static final long STATIC_V_OFFSET; |
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static int ARRAY_OFFSET; |
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|
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static int ARRAY_SHIFT; |
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|
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static { |
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try { |
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Field f = $package$.Unsafe.class.getDeclaredField("theUnsafe"); |
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f.setAccessible(true); |
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UNSAFE = ($package$.Unsafe) f.get(null); |
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} catch (Exception e) { |
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throw new RuntimeException("Unable to get Unsafe instance.", e); |
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} |
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|
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try { |
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Field staticVField = $Qualifier$UnsafeAccessTest$Type$.class.getDeclaredField("static_v"); |
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STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField); |
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STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField); |
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} catch (Exception e) { |
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throw new RuntimeException(e); |
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} |
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|
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try { |
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Field vField = $Qualifier$UnsafeAccessTest$Type$.class.getDeclaredField("v"); |
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V_OFFSET = UNSAFE.objectFieldOffset(vField); |
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} catch (Exception e) { |
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throw new RuntimeException(e); |
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} |
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ARRAY_OFFSET = UNSAFE.arrayBaseOffset($type$[].class); |
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int ascale = UNSAFE.arrayIndexScale($type$[].class); |
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ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale); |
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} |
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|
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static $type$ static_v; |
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|
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$type$ v; |
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|
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@Test |
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public void testFieldInstance() { |
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$Qualifier$UnsafeAccessTest$Type$ t = new $Qualifier$UnsafeAccessTest$Type$(); |
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for (int c = 0; c < ITERS; c++) { |
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testAccess(t, V_OFFSET); |
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} |
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} |
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|
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@Test |
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public void testFieldStatic() { |
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for (int c = 0; c < ITERS; c++) { |
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testAccess(STATIC_V_BASE, STATIC_V_OFFSET); |
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} |
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} |
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|
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@Test |
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public void testArray() { |
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$type$[] array = new $type$[10]; |
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for (int c = 0; c < ITERS; c++) { |
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for (int i = 0; i < array.length; i++) { |
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testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET); |
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} |
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} |
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} |
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|
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#if[!Object] |
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116 |
#if[!boolean] |
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117 |
@Test |
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public void testArrayOffHeap() { |
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int size = 10; |
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long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT); |
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121 |
try { |
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122 |
for (int c = 0; c < ITERS; c++) { |
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123 |
for (int i = 0; i < size; i++) { |
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testAccess(null, (((long) i) << ARRAY_SHIFT) + address); |
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125 |
} |
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126 |
} |
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127 |
} finally { |
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UNSAFE.freeMemory(address); |
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129 |
} |
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130 |
} |
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131 |
|
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132 |
@Test |
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133 |
public void testArrayOffHeapDirect() { |
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134 |
int size = 10; |
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long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT); |
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136 |
try { |
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137 |
for (int c = 0; c < ITERS; c++) { |
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138 |
for (int i = 0; i < size; i++) { |
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testAccess((((long) i) << ARRAY_SHIFT) + address); |
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140 |
} |
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141 |
} |
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142 |
} finally { |
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UNSAFE.freeMemory(address); |
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144 |
} |
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145 |
} |
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146 |
#end[!boolean] |
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147 |
#end[!Object] |
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148 |
|
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149 |
static void testAccess(Object base, long offset) { |
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// Plain |
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151 |
{ |
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UNSAFE.put$Type$(base, offset, $value1$); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "set $type$ value"); |
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155 |
} |
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156 |
|
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157 |
// Volatile |
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158 |
{ |
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159 |
UNSAFE.put$Type$Volatile(base, offset, $value2$); |
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160 |
$type$ x = UNSAFE.get$Type$Volatile(base, offset); |
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161 |
assertEquals(x, $value2$, "putVolatile $type$ value"); |
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162 |
} |
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163 |
|
36827
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164 |
#if[!JdkInternalMisc] |
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165 |
#if[Ordered] |
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166 |
// Lazy |
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167 |
{ |
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168 |
UNSAFE.putOrdered$Type$(base, offset, $value1$); |
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169 |
$type$ x = UNSAFE.get$Type$Volatile(base, offset); |
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170 |
assertEquals(x, $value1$, "putRelease $type$ value"); |
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171 |
} |
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172 |
#end[Ordered] |
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173 |
#end[!JdkInternalMisc] |
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174 |
|
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175 |
#if[JdkInternalMisc] |
36316
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176 |
// Lazy |
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177 |
{ |
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178 |
UNSAFE.put$Type$Release(base, offset, $value1$); |
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179 |
$type$ x = UNSAFE.get$Type$Acquire(base, offset); |
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180 |
assertEquals(x, $value1$, "putRelease $type$ value"); |
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181 |
} |
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182 |
|
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183 |
// Opaque |
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184 |
{ |
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185 |
UNSAFE.put$Type$Opaque(base, offset, $value2$); |
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186 |
$type$ x = UNSAFE.get$Type$Opaque(base, offset); |
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187 |
assertEquals(x, $value2$, "putOpaque $type$ value"); |
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188 |
} |
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|
189 |
#end[JdkInternalMisc] |
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190 |
|
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|
191 |
#if[JdkInternalMisc] |
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192 |
#if[Unaligned] |
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193 |
// Unaligned |
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|
194 |
{ |
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|
195 |
UNSAFE.put$Type$Unaligned(base, offset, $value2$); |
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|
196 |
$type$ x = UNSAFE.get$Type$Unaligned(base, offset); |
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|
197 |
assertEquals(x, $value2$, "putUnaligned $type$ value"); |
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|
198 |
} |
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|
199 |
|
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|
200 |
{ |
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|
201 |
UNSAFE.put$Type$Unaligned(base, offset, $value1$, true); |
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|
202 |
$type$ x = UNSAFE.get$Type$Unaligned(base, offset, true); |
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|
203 |
assertEquals(x, $value1$, "putUnaligned big endian $type$ value"); |
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|
204 |
} |
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|
205 |
|
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|
206 |
{ |
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|
207 |
UNSAFE.put$Type$Unaligned(base, offset, $value2$, false); |
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|
208 |
$type$ x = UNSAFE.get$Type$Unaligned(base, offset, false); |
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|
209 |
assertEquals(x, $value2$, "putUnaligned little endian $type$ value"); |
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|
210 |
} |
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|
211 |
#end[Unaligned] |
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|
212 |
#end[JdkInternalMisc] |
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|
213 |
|
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|
214 |
#if[CAS] |
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|
215 |
UNSAFE.put$Type$(base, offset, $value1$); |
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|
216 |
|
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|
217 |
// Compare |
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|
218 |
{ |
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|
219 |
boolean r = UNSAFE.compareAndSwap$Type$(base, offset, $value1$, $value2$); |
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|
220 |
assertEquals(r, true, "success compareAndSwap $type$"); |
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|
221 |
$type$ x = UNSAFE.get$Type$(base, offset); |
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|
222 |
assertEquals(x, $value2$, "success compareAndSwap $type$ value"); |
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|
223 |
} |
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|
224 |
|
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|
225 |
{ |
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|
226 |
boolean r = UNSAFE.compareAndSwap$Type$(base, offset, $value1$, $value3$); |
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227 |
assertEquals(r, false, "failing compareAndSwap $type$"); |
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|
228 |
$type$ x = UNSAFE.get$Type$(base, offset); |
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|
229 |
assertEquals(x, $value2$, "failing compareAndSwap $type$ value"); |
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|
230 |
} |
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#if[JdkInternalMisc] |
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// Advanced compare |
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{ |
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$type$ r = UNSAFE.compareAndExchange$Type$Volatile(base, offset, $value2$, $value1$); |
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assertEquals(r, $value2$, "success compareAndExchangeVolatile $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "success compareAndExchangeVolatile $type$ value"); |
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} |
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|
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{ |
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$type$ r = UNSAFE.compareAndExchange$Type$Volatile(base, offset, $value2$, $value3$); |
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assertEquals(r, $value1$, "failing compareAndExchangeVolatile $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "failing compareAndExchangeVolatile $type$ value"); |
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} |
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|
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{ |
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$type$ r = UNSAFE.compareAndExchange$Type$Acquire(base, offset, $value1$, $value2$); |
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assertEquals(r, $value1$, "success compareAndExchangeAcquire $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value2$, "success compareAndExchangeAcquire $type$ value"); |
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} |
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|
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{ |
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$type$ r = UNSAFE.compareAndExchange$Type$Acquire(base, offset, $value1$, $value3$); |
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assertEquals(r, $value2$, "failing compareAndExchangeAcquire $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value2$, "failing compareAndExchangeAcquire $type$ value"); |
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} |
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|
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{ |
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$type$ r = UNSAFE.compareAndExchange$Type$Release(base, offset, $value2$, $value1$); |
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assertEquals(r, $value2$, "success compareAndExchangeRelease $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "success compareAndExchangeRelease $type$ value"); |
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} |
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|
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{ |
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$type$ r = UNSAFE.compareAndExchange$Type$Release(base, offset, $value2$, $value3$); |
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assertEquals(r, $value1$, "failing compareAndExchangeRelease $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "failing compareAndExchangeRelease $type$ value"); |
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} |
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|
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{ |
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boolean success = false; |
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for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
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success = UNSAFE.weakCompareAndSwap$Type$(base, offset, $value1$, $value2$); |
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} |
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assertEquals(success, true, "weakCompareAndSwap $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value2$, "weakCompareAndSwap $type$ value"); |
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} |
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|
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{ |
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boolean success = false; |
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for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
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success = UNSAFE.weakCompareAndSwap$Type$Acquire(base, offset, $value2$, $value1$); |
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} |
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assertEquals(success, true, "weakCompareAndSwapAcquire $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "weakCompareAndSwapAcquire $type$"); |
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} |
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|
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{ |
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boolean success = false; |
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for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
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success = UNSAFE.weakCompareAndSwap$Type$Release(base, offset, $value1$, $value2$); |
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} |
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assertEquals(success, true, "weakCompareAndSwapRelease $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value2$, "weakCompareAndSwapRelease $type$"); |
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} |
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|
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{ |
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boolean success = false; |
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for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { |
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success = UNSAFE.weakCompareAndSwap$Type$Volatile(base, offset, $value2$, $value1$); |
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} |
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assertEquals(success, true, "weakCompareAndSwapVolatile $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "weakCompareAndSwapVolatile $type$"); |
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} |
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|
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#end[JdkInternalMisc] |
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UNSAFE.put$Type$(base, offset, $value2$); |
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|
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// Compare set and get |
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{ |
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$type$ o = UNSAFE.getAndSet$Type$(base, offset, $value1$); |
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assertEquals(o, $value2$, "getAndSet $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, $value1$, "getAndSet $type$ value"); |
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} |
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#end[CAS] |
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|
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#if[AtomicAdd] |
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UNSAFE.put$Type$(base, offset, $value1$); |
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|
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// get and add, add and get |
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{ |
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$type$ o = UNSAFE.getAndAdd$Type$(base, offset, $value2$); |
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assertEquals(o, $value1$, "getAndAdd $type$"); |
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$type$ x = UNSAFE.get$Type$(base, offset); |
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assertEquals(x, ($type$)($value1$ + $value2$), "getAndAdd $type$"); |
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} |
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#end[AtomicAdd] |
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} |
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|
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#if[!Object] |
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#if[!boolean] |
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static void testAccess(long address) { |
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// Plain |
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{ |
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UNSAFE.put$Type$(address, $value1$); |
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$type$ x = UNSAFE.get$Type$(address); |
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assertEquals(x, $value1$, "set $type$ value"); |
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} |
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} |
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#end[!boolean] |
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#end[!Object] |
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} |
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