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changeset 6878:85916677fc22

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7188233: UseVMInterruptibleIO flag deprecate for JDK8 Summary: 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 Contributed-by: harold.seigel@oracle.com
author coleenp
date Thu, 18 Oct 2012 13:08:13 -0400
parents 7b5885dadbdc
children 8ebcedb7604d
files src/share/vm/runtime/arguments.cpp
diffstat 1 files changed, 5 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/runtime/arguments.cpp	Wed Oct 17 17:36:48 2012 +0200
+++ b/src/share/vm/runtime/arguments.cpp	Thu Oct 18 13:08:13 2012 -0400
@@ -2771,6 +2771,11 @@
         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+      warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release.");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 @@
 
   // 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)) {