diff options
Diffstat (limited to 'src/share/vm/opto/library_call.cpp')
| -rw-r--r-- | src/share/vm/opto/library_call.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/share/vm/opto/library_call.cpp b/src/share/vm/opto/library_call.cpp index 564aa7c1f..1630c6881 100644 --- a/src/share/vm/opto/library_call.cpp +++ b/src/share/vm/opto/library_call.cpp @@ -3237,7 +3237,8 @@ bool LibraryCallKit::inline_native_currentThread() { // private native boolean java.lang.Thread.isInterrupted(boolean ClearInterrupted); bool LibraryCallKit::inline_native_isInterrupted() { // Add a fast path to t.isInterrupted(clear_int): - // (t == Thread.current() && (!TLS._osthread._interrupted || !clear_int)) + // (t == Thread.current() && + // (!TLS._osthread._interrupted || WINDOWS_ONLY(false) NOT_WINDOWS(!clear_int))) // ? TLS._osthread._interrupted : /*slow path:*/ t.isInterrupted(clear_int) // So, in the common case that the interrupt bit is false, // we avoid making a call into the VM. Even if the interrupt bit @@ -3294,6 +3295,7 @@ bool LibraryCallKit::inline_native_isInterrupted() { // drop through to next case set_control( _gvn.transform(new (C) IfTrueNode(iff_bit))); +#ifndef TARGET_OS_FAMILY_windows // (c) Or, if interrupt bit is set and clear_int is false, use 2nd fast path. Node* clr_arg = argument(1); Node* cmp_arg = _gvn.transform(new (C) CmpINode(clr_arg, intcon(0))); @@ -3307,6 +3309,10 @@ bool LibraryCallKit::inline_native_isInterrupted() { // drop through to next case set_control( _gvn.transform(new (C) IfTrueNode(iff_arg))); +#else + // To return true on Windows you must read the _interrupted field + // and check the the event state i.e. take the slow path. +#endif // TARGET_OS_FAMILY_windows // (d) Otherwise, go to the slow path. slow_region->add_req(control()); |