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7188233: UseVMInterruptibleIO flag deprecate for JDK8

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The -XX:+UseVMInterruptibleIO flag is deprecated for JDK8.  The flag will still enable Interruptible IO on Solaris, but users will get a warning.

Reviewed-by: dholmes, acorn, alanb
This commit is contained in:
Harold Seigel 2012-10-18 13:08:13 -04:00 • committed by Coleen Phillimore
parent 953bec36ab
commit e9755cef6a
1 changed files with 5 additions and 4 deletions
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9
hotspot/src/share/vm/runtime/arguments.cpp
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@ -2771,6 +2771,11 @@ SOLARIS_ONLY(
return JNI_EINVAL;
}
FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size);
} else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) {
// NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go
// away and will cause VM initialization failures!
warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release.");
FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true);
} else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx
// Skip -XX:Flags= since that case has already been handled
if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) {
@ -2786,10 +2791,6 @@ SOLARIS_ONLY(
// 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);
}
#ifdef LINUX
if (JDK_Version::current().compare_major(6) <= 0 &&
FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) {