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8329593: Drop adjustments to target parallelism when virtual threads do I/O on files opened for buffered I/O

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Reviewed-by: bpb, jpai
This commit is contained in:
Alan Bateman 2024-04-23 16:10:13 +00:00
parent b07e1531b3
commit 412e306d81
28 changed files with 461 additions and 870 deletions
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6
src/java.base/share/classes/java/nio/MappedMemoryUtils.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -98,13 +98,13 @@ import jdk.internal.misc.Unsafe;
long offset = mappingOffset(address, index);
long mappingAddress = mappingAddress(address, offset, index);
long mappingLength = mappingLength(offset, length);
long comp = Blocker.begin();
boolean attempted = Blocker.begin();
try {
force0(fd, mappingAddress, mappingLength);
} catch (IOException cause) {
throw new UncheckedIOException(cause);
} finally {
Blocker.end(comp);
Blocker.end(attempted);
}
}
}