38 }

    38 }

    39 

    39 

    40 void G1Arguments::initialize_flags() {

    40 void G1Arguments::initialize_flags() {

    41   GCArguments::initialize_flags();

    41   GCArguments::initialize_flags();

    42   assert(UseG1GC, "Error");

    42   assert(UseG1GC, "Error");

    46   FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads());

    43   FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads());

    47   if (ParallelGCThreads == 0) {

    44   if (ParallelGCThreads == 0) {

    48     assert(!FLAG_IS_DEFAULT(ParallelGCThreads), "The default value for ParallelGCThreads should not be 0.");

    45     assert(!FLAG_IS_DEFAULT(ParallelGCThreads), "The default value for ParallelGCThreads should not be 0.");

    49     vm_exit_during_initialization("The flag -XX:+UseG1GC can not be combined with -XX:ParallelGCThreads=0", NULL);

    46     vm_exit_during_initialization("The flag -XX:+UseG1GC can not be combined with -XX:ParallelGCThreads=0", NULL);

    50   }

    47   }