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8345745: Update mode of the Attach API communication pipe.

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Reviewed-by: sspitsyn, kevinw
This commit is contained in:
Alex Menkov 2025-06-02 18:13:24 +00:00
parent a7671e7360
commit ec02a87aee
1 changed files with 5 additions and 4 deletions
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9
src/jdk.attach/windows/native/libattach/VirtualMachineImpl.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2025, 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
@ -291,11 +291,12 @@ JNIEXPORT jlong JNICALL Java_sun_tools_attach_VirtualMachineImpl_createPipe
hPipe = CreateNamedPipe(
name, // pipe name
ver == 1 ? PIPE_ACCESS_INBOUND // read access
: PIPE_ACCESS_DUPLEX, // read-write access
(ver == 1 ? PIPE_ACCESS_INBOUND : PIPE_ACCESS_DUPLEX) | // read or read-write access
FILE_FLAG_FIRST_PIPE_INSTANCE,
PIPE_TYPE_BYTE | // byte mode
PIPE_READMODE_BYTE |
PIPE_WAIT, // blocking mode
PIPE_WAIT | // blocking mode
PIPE_REJECT_REMOTE_CLIENTS,
1, // max. instances
128, // output buffer size
8192, // input buffer size