2441 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation
2442
2443 // -Xinternalversion
2444 } else if (match_option(option, "-Xinternalversion", &tail)) {
2445 jio_fprintf(defaultStream::output_stream(), "%s\n",
2446 VM_Version::internal_vm_info_string());
2447 vm_exit(0);
2448 #ifndef PRODUCT
2449 // -Xprintflags
2450 } else if (match_option(option, "-Xprintflags", &tail)) {
2451 CommandLineFlags::printFlags(tty, false);
2452 vm_exit(0);
2453 #endif
2454 // -D
2455 } else if (match_option(option, "-D", &tail)) {
2456 if (!add_property(tail)) {
2457 return JNI_ENOMEM;
2458 }
2459 // Out of the box management support
2460 if (match_option(option, "-Dcom.sun.management", &tail)) {
2461 FLAG_SET_CMDLINE(bool, ManagementServer, true);
2462 }
2463 // -Xint
2464 } else if (match_option(option, "-Xint", &tail)) {
2465 set_mode_flags(_int);
2466 // -Xmixed
2467 } else if (match_option(option, "-Xmixed", &tail)) {
2468 set_mode_flags(_mixed);
2469 // -Xcomp
2470 } else if (match_option(option, "-Xcomp", &tail)) {
2471 // for testing the compiler; turn off all flags that inhibit compilation
2472 set_mode_flags(_comp);
2473
2474 // -Xshare:dump
2475 } else if (match_option(option, "-Xshare:dump", &tail)) {
2476 #if defined(KERNEL)
2477 vm_exit_during_initialization(
2478 "Dumping a shared archive is not supported on the Kernel JVM.", NULL);
2479 #elif !INCLUDE_CDS
2480 vm_exit_during_initialization(
2481 "Dumping a shared archive is not supported in this VM.", NULL);
2790 "Invalid concurrent threads: %s\n", option->optionString);
2791 return JNI_EINVAL;
2792 }
2793 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads);
2794 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) {
2795 julong max_direct_memory_size = 0;
2796 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0);
2797 if (errcode != arg_in_range) {
2798 jio_fprintf(defaultStream::error_stream(),
2799 "Invalid maximum direct memory size: %s\n",
2800 option->optionString);
2801 describe_range_error(errcode);
2802 return JNI_EINVAL;
2803 }
2804 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size);
2805 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) {
2806 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go
2807 // away and will cause VM initialization failures!
2808 warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release.");
2809 FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true);
2810 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx
2811 // Skip -XX:Flags= since that case has already been handled
2812 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) {
2813 if (!process_argument(tail, args->ignoreUnrecognized, origin)) {
2814 return JNI_EINVAL;
2815 }
2816 }
2817 // Unknown option
2818 } else if (is_bad_option(option, args->ignoreUnrecognized)) {
2819 return JNI_ERR;
2820 }
2821 }
2822
2823 // Change the default value for flags which have different default values
2824 // when working with older JDKs.
2825 #ifdef LINUX
2826 if (JDK_Version::current().compare_major(6) <= 0 &&
2827 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) {
2828 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false);
2829 }
|
2441 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation
2442
2443 // -Xinternalversion
2444 } else if (match_option(option, "-Xinternalversion", &tail)) {
2445 jio_fprintf(defaultStream::output_stream(), "%s\n",
2446 VM_Version::internal_vm_info_string());
2447 vm_exit(0);
2448 #ifndef PRODUCT
2449 // -Xprintflags
2450 } else if (match_option(option, "-Xprintflags", &tail)) {
2451 CommandLineFlags::printFlags(tty, false);
2452 vm_exit(0);
2453 #endif
2454 // -D
2455 } else if (match_option(option, "-D", &tail)) {
2456 if (!add_property(tail)) {
2457 return JNI_ENOMEM;
2458 }
2459 // Out of the box management support
2460 if (match_option(option, "-Dcom.sun.management", &tail)) {
2461 #if INCLUDE_MANAGEMENT
2462 FLAG_SET_CMDLINE(bool, ManagementServer, true);
2463 #else
2464 vm_exit_during_initialization(
2465 "-Dcom.sun.management is not supported in this VM.", NULL);
2466 #endif
2467 }
2468 // -Xint
2469 } else if (match_option(option, "-Xint", &tail)) {
2470 set_mode_flags(_int);
2471 // -Xmixed
2472 } else if (match_option(option, "-Xmixed", &tail)) {
2473 set_mode_flags(_mixed);
2474 // -Xcomp
2475 } else if (match_option(option, "-Xcomp", &tail)) {
2476 // for testing the compiler; turn off all flags that inhibit compilation
2477 set_mode_flags(_comp);
2478
2479 // -Xshare:dump
2480 } else if (match_option(option, "-Xshare:dump", &tail)) {
2481 #if defined(KERNEL)
2482 vm_exit_during_initialization(
2483 "Dumping a shared archive is not supported on the Kernel JVM.", NULL);
2484 #elif !INCLUDE_CDS
2485 vm_exit_during_initialization(
2486 "Dumping a shared archive is not supported in this VM.", NULL);
2795 "Invalid concurrent threads: %s\n", option->optionString);
2796 return JNI_EINVAL;
2797 }
2798 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads);
2799 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) {
2800 julong max_direct_memory_size = 0;
2801 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0);
2802 if (errcode != arg_in_range) {
2803 jio_fprintf(defaultStream::error_stream(),
2804 "Invalid maximum direct memory size: %s\n",
2805 option->optionString);
2806 describe_range_error(errcode);
2807 return JNI_EINVAL;
2808 }
2809 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size);
2810 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) {
2811 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go
2812 // away and will cause VM initialization failures!
2813 warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release.");
2814 FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true);
2815 #if !INCLUDE_MANAGEMENT
2816 } else if (match_option(option, "-XX:+ManagementServer", &tail)) {
2817 vm_exit_during_initialization(
2818 "ManagementServer is not supported in this VM.", NULL);
2819 #endif // INCLUDE_MANAGEMENT
2820 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx
2821 // Skip -XX:Flags= since that case has already been handled
2822 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) {
2823 if (!process_argument(tail, args->ignoreUnrecognized, origin)) {
2824 return JNI_EINVAL;
2825 }
2826 }
2827 // Unknown option
2828 } else if (is_bad_option(option, args->ignoreUnrecognized)) {
2829 return JNI_ERR;
2830 }
2831 }
2832
2833 // Change the default value for flags which have different default values
2834 // when working with older JDKs.
2835 #ifdef LINUX
2836 if (JDK_Version::current().compare_major(6) <= 0 &&
2837 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) {
2838 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false);
2839 }
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