1686 num_entries++;
1687 }
1688 }
1689 return num_entries;
1690 }
1691 JVM_END
1692
1693 JVM_ENTRY(void, jmm_SetVMGlobal(JNIEnv *env, jstring flag_name, jvalue new_value))
1694 ResourceMark rm(THREAD);
1695
1696 oop fn = JNIHandles::resolve_external_guard(flag_name);
1697 if (fn == NULL) {
1698 THROW_MSG(vmSymbols::java_lang_NullPointerException(),
1699 "The flag name cannot be null.");
1700 }
1701 char* name = java_lang_String::as_utf8_string(fn);
1702
1703 FormatBuffer<80> err_msg("%s", "");
1704 int succeed = WriteableFlags::set_flag(name, new_value, Flag::MANAGEMENT, err_msg);
1705
1706 if (succeed != WriteableFlags::SUCCESS) {
1707 if (succeed == WriteableFlags::MISSING_VALUE) {
1708 // missing value causes NPE to be thrown
1709 THROW(vmSymbols::java_lang_NullPointerException());
1710 } else {
1711 // all the other errors are reported as IAE with the appropriate error message
1712 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1713 err_msg.buffer());
1714 }
1715 }
1716 assert(succeed == WriteableFlags::SUCCESS, "Setting flag should succeed");
1717 JVM_END
1718
1719 class ThreadTimesClosure: public ThreadClosure {
1720 private:
1721 objArrayHandle _names_strings;
1722 char **_names_chars;
1723 typeArrayHandle _times;
1724 int _names_len;
1725 int _times_len;
1726 int _count;
1727
1728 public:
1729 ThreadTimesClosure(objArrayHandle names, typeArrayHandle times);
1730 ~ThreadTimesClosure();
1731 virtual void do_thread(Thread* thread);
1732 void do_unlocked();
1733 int count() { return _count; }
1734 };
1735
1736 ThreadTimesClosure::ThreadTimesClosure(objArrayHandle names,
|
1686 num_entries++;
1687 }
1688 }
1689 return num_entries;
1690 }
1691 JVM_END
1692
1693 JVM_ENTRY(void, jmm_SetVMGlobal(JNIEnv *env, jstring flag_name, jvalue new_value))
1694 ResourceMark rm(THREAD);
1695
1696 oop fn = JNIHandles::resolve_external_guard(flag_name);
1697 if (fn == NULL) {
1698 THROW_MSG(vmSymbols::java_lang_NullPointerException(),
1699 "The flag name cannot be null.");
1700 }
1701 char* name = java_lang_String::as_utf8_string(fn);
1702
1703 FormatBuffer<80> err_msg("%s", "");
1704 int succeed = WriteableFlags::set_flag(name, new_value, Flag::MANAGEMENT, err_msg);
1705
1706 if (succeed != Flag::SUCCESS) {
1707 if (succeed == Flag::MISSING_VALUE) {
1708 // missing value causes NPE to be thrown
1709 THROW(vmSymbols::java_lang_NullPointerException());
1710 } else {
1711 // all the other errors are reported as IAE with the appropriate error message
1712 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1713 err_msg.buffer());
1714 }
1715 }
1716 assert(succeed == Flag::SUCCESS, "Setting flag should succeed");
1717 JVM_END
1718
1719 class ThreadTimesClosure: public ThreadClosure {
1720 private:
1721 objArrayHandle _names_strings;
1722 char **_names_chars;
1723 typeArrayHandle _times;
1724 int _names_len;
1725 int _times_len;
1726 int _count;
1727
1728 public:
1729 ThreadTimesClosure(objArrayHandle names, typeArrayHandle times);
1730 ~ThreadTimesClosure();
1731 virtual void do_thread(Thread* thread);
1732 void do_unlocked();
1733 int count() { return _count; }
1734 };
1735
1736 ThreadTimesClosure::ThreadTimesClosure(objArrayHandle names,
|