src/share/vm/prims/whitebox.cpp

*** 818,840 ****
        : ClassLoaderData::the_null_class_loader_data();
  
    MetadataFactory::free_array(cld, (Array<u1>*)(uintptr_t)addr);
  WB_END
  
! WB_ENTRY(jlong, WB_IncMetaspaceCapacityUntilGC(JNIEnv* env, jobject wb, jlong size))
!   if (size < 0) {
      THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
!         err_msg("WB_IncMetaspaceCapacityUntilGC: size is negative: " JLONG_FORMAT, size));
    }
  
!   if (size > (jlong) ((size_t) -1)) {
      THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
!         err_msg("WB_IncMetaspaceCapacityUntilGC: size does not fit in size_t: " JLONG_FORMAT, size));
    }
  
!   size_t new_val = MetaspaceGC::inc_capacity_until_GC(align_size_down((size_t) size, Metaspace::commit_alignment()));
!   return (jlong) new_val;
  WB_END
  
  WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb))
    return (jlong) MetaspaceGC::capacity_until_GC();
  WB_END
--- 818,848 ----
        : ClassLoaderData::the_null_class_loader_data();
  
    MetadataFactory::free_array(cld, (Array<u1>*)(uintptr_t)addr);
  WB_END
  
! WB_ENTRY(jlong, WB_IncMetaspaceCapacityUntilGC(JNIEnv* env, jobject wb, jlong inc))
!   if (inc < 0) {
      THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
!         err_msg("WB_IncMetaspaceCapacityUntilGC: inc is negative: " JLONG_FORMAT, inc));
    }
  
!   jlong max_size_t = (jlong) ((size_t) -1);
!   if (inc > max_size_t) {
      THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
!         err_msg("WB_IncMetaspaceCapacityUntilGC: inc does not fit in size_t: " JLONG_FORMAT, inc));
    }
  
!   size_t new_cap_until_GC = 0;
!   size_t aligned_inc = align_size_down((size_t) inc, Metaspace::commit_alignment());
!   bool success = MetaspaceGC::inc_capacity_until_GC(aligned_inc, &new_cap_until_GC);
!   if (!success) {
!     THROW_MSG_0(vmSymbols::java_lang_IllegalStateException(),
!                 "WB_IncMetaspaceCapacityUntilGC: could not increase capacity until GC "
!                 "due to contention with another thread");
!   }
!   return (jlong) new_cap_until_GC;
  WB_END
  
  WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb))
    return (jlong) MetaspaceGC::capacity_until_GC();
  WB_END