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Xiaobin Lu 2009-01-13 12:14:38 -08:00
commit 31acc39bf9
1 changed files with 6 additions and 1 deletions
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7
hotspot/src/share/vm/prims/jni.cpp
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@ -2691,8 +2691,13 @@ static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) {
directBufferSupportInitializeEnded = 1;
} else {
ThreadInVMfromNative tivn(thread); // set state as yield_all can call os:sleep
while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) {
// Set state as yield_all can call os:sleep. On Solaris, yield_all calls
// os::sleep which requires the VM state transition. On other platforms, it
// is not necessary. The following call to change the VM state is purposely
// put inside the loop to avoid potential deadlock when multiple threads
// try to call this method. See 6791815 for more details.
ThreadInVMfromNative tivn(thread);
os::yield_all();
}
}