src/hotspot/share/runtime/mutex.cpp
changeset 52450 2790da836dc3
parent 52356 19c4a3eec4d7
child 52555 3b2d22602c16
equal deleted inserted replaced
52449:bac05440d98c 52450:2790da836dc3
   381     // We currently use a Marsaglia Shift-Xor RNG loop.
   381     // We currently use a Marsaglia Shift-Xor RNG loop.
   382     if (Self != NULL) {
   382     if (Self != NULL) {
   383       jint rv = Self->rng[0];
   383       jint rv = Self->rng[0];
   384       for (int k = Delay; --k >= 0;) {
   384       for (int k = Delay; --k >= 0;) {
   385         rv = MarsagliaXORV(rv);
   385         rv = MarsagliaXORV(rv);
   386         if (SafepointMechanism::poll(Self)) return 0;
   386         if (SafepointMechanism::should_block(Self)) return 0;
   387       }
   387       }
   388       Self->rng[0] = rv;
   388       Self->rng[0] = rv;
   389     } else {
   389     } else {
   390       Stall(Delay);
   390       Stall(Delay);
   391     }
   391     }