Mercurial > hg > truffle
comparison src/share/vm/runtime/arguments.cpp @ 1681:126ea7725993
6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes
| author | bobv |
|---|---|
| date | Tue, 03 Aug 2010 08:13:38 -0400 |
| parents | 3d90023429ec |
| children | 7fcd5f39bd7a f55c4f82ab9d f8c5d1bdaad4 |
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| 1680:a64438a2b7e8 | 1681:126ea7725993 |
|---|---|
| 2663 if (UseG1GC) { | 2663 if (UseG1GC) { |
| 2664 FLAG_SET_DEFAULT(ReduceBulkZeroing, false); | 2664 FLAG_SET_DEFAULT(ReduceBulkZeroing, false); |
| 2665 } | 2665 } |
| 2666 #endif | 2666 #endif |
| 2667 | 2667 |
| 2668 // If we are running in a headless jre, force java.awt.headless property | |
| 2669 // to be true unless the property has already been set. | |
| 2670 // Also allow the OS environment variable JAVA_AWT_HEADLESS to set headless state. | |
| 2671 if (os::is_headless_jre()) { | |
| 2672 const char* headless = Arguments::get_property("java.awt.headless"); | |
| 2673 if (headless == NULL) { | |
| 2674 char envbuffer[128]; | |
| 2675 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { | |
| 2676 if (!add_property("java.awt.headless=true")) { | |
| 2677 return JNI_ENOMEM; | |
| 2678 } | |
| 2679 } else { | |
| 2680 char buffer[256]; | |
| 2681 strcpy(buffer, "java.awt.headless="); | |
| 2682 strcat(buffer, envbuffer); | |
| 2683 if (!add_property(buffer)) { | |
| 2684 return JNI_ENOMEM; | |
| 2685 } | |
| 2686 } | |
| 2687 } | |
| 2688 } | |
| 2689 | |
| 2668 if (!check_vm_args_consistency()) { | 2690 if (!check_vm_args_consistency()) { |
| 2669 return JNI_ERR; | 2691 return JNI_ERR; |
| 2670 } | 2692 } |
| 2671 | 2693 |
| 2672 return JNI_OK; | 2694 return JNI_OK; |
| 2983 | 3005 |
| 2984 if (PrintFlagsFinal) { | 3006 if (PrintFlagsFinal) { |
| 2985 CommandLineFlags::printFlags(); | 3007 CommandLineFlags::printFlags(); |
| 2986 } | 3008 } |
| 2987 | 3009 |
| 3010 // Apply CPU specific policy for the BiasedLocking | |
| 3011 if (UseBiasedLocking) { | |
| 3012 if (!VM_Version::use_biased_locking() && | |
| 3013 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { | |
| 3014 UseBiasedLocking = false; | |
| 3015 } | |
| 3016 } | |
| 3017 | |
| 2988 return JNI_OK; | 3018 return JNI_OK; |
| 2989 } | 3019 } |
| 2990 | 3020 |
| 2991 int Arguments::PropertyList_count(SystemProperty* pl) { | 3021 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 2992 int count = 0; | 3022 int count = 0; |