Mercurial > hg > truffle
changeset 449:171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
Summary: The default value of UseVMInterruptibleIO is changed to false for JDK 7, but the default isn't changed for JDK 6 and earlier.
Reviewed-by: never, acorn, dholmes, kamg, alanb
author | xlu |
---|---|
date | Sat, 22 Nov 2008 00:16:09 -0800 |
parents | ba7f9d894282 |
children | b22701a8b88f |
files | src/share/vm/runtime/arguments.cpp src/share/vm/runtime/globals.hpp |
diffstat | 2 files changed, 9 insertions(+), 3 deletions(-) [+] |
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--- a/src/share/vm/runtime/arguments.cpp Fri Nov 21 15:10:14 2008 -0500 +++ b/src/share/vm/runtime/arguments.cpp Sat Nov 22 00:16:09 2008 -0800 @@ -2322,7 +2322,12 @@ return JNI_ERR; } } - + // Change the default value for flags which have different default values + // when working with older JDKs. + if (JDK_Version::current().compare_major(6) <= 0 && + FLAG_IS_DEFAULT(UseVMInterruptibleIO)) { + FLAG_SET_DEFAULT(UseVMInterruptibleIO, true); + } return JNI_OK; }
--- a/src/share/vm/runtime/globals.hpp Fri Nov 21 15:10:14 2008 -0500 +++ b/src/share/vm/runtime/globals.hpp Sat Nov 22 00:16:09 2008 -0800 @@ -3262,9 +3262,10 @@ diagnostic(bool, PrintDTraceDOF, false, \ "Print the DTrace DOF passed to the system for JSDT probes") \ \ - product(bool, UseVMInterruptibleIO, true, \ + product(bool, UseVMInterruptibleIO, false, \ "(Unstable, Solaris-specific) Thread interrupt before or with " \ - "EINTR for I/O operations results in OS_INTRPT") + "EINTR for I/O operations results in OS_INTRPT. The default value"\ + " of this flag is true for JDK 6 and earliers") /*