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Issue 6080009: Revert r6180 as it caused test failures (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 11 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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10399 } 10399 }
10400 } 10400 }
10401 if (!pending_exception) { 10401 if (!pending_exception) {
10402 return *result; 10402 return *result;
10403 } else { 10403 } else {
10404 return Failure::Exception(); 10404 return Failure::Exception();
10405 } 10405 }
10406 } 10406 }
10407 10407
10408 10408
10409 // Sets a v8 flag.
10410 static MaybeObject* Runtime_SetFlags(Arguments args) {
10411 CONVERT_CHECKED(String, arg, args[0]);
10412 SmartPointer<char> flags =
10413 arg->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL);
10414 FlagList::SetFlagsFromString(*flags, strlen(*flags));
10415 return Heap::undefined_value();
10416 }
10417
10418
10419 // Performs a GC.
10420 // Presently, it only does a full GC.
10421 static MaybeObject* Runtime_CollectGarbage(Arguments args) {
10422 Heap::CollectAllGarbage(true);
10423 return Heap::undefined_value();
10424 }
10425
10426
10427 // Gets the current heap usage.
10428 static MaybeObject* Runtime_GetHeapUsage(Arguments args) {
10429 int usage = Heap::SizeOfObjects();
10430 if (!Smi::IsValid(usage)) {
10431 return *Factory::NewNumberFromInt(usage);
10432 }
10433 return Smi::FromInt(usage);
10434 }
10435 #endif // ENABLE_DEBUGGER_SUPPORT 10409 #endif // ENABLE_DEBUGGER_SUPPORT
10436 10410
10411 #ifdef ENABLE_LOGGING_AND_PROFILING
10437 10412
10438 #ifdef ENABLE_LOGGING_AND_PROFILING
10439 static MaybeObject* Runtime_ProfilerResume(Arguments args) { 10413 static MaybeObject* Runtime_ProfilerResume(Arguments args) {
10440 NoHandleAllocation ha; 10414 NoHandleAllocation ha;
10441 ASSERT(args.length() == 2); 10415 ASSERT(args.length() == 2);
10442 10416
10443 CONVERT_CHECKED(Smi, smi_modules, args[0]); 10417 CONVERT_CHECKED(Smi, smi_modules, args[0]);
10444 CONVERT_CHECKED(Smi, smi_tag, args[1]); 10418 CONVERT_CHECKED(Smi, smi_tag, args[1]);
10445 v8::V8::ResumeProfilerEx(smi_modules->value(), smi_tag->value()); 10419 v8::V8::ResumeProfilerEx(smi_modules->value(), smi_tag->value());
10446 return Heap::undefined_value(); 10420 return Heap::undefined_value();
10447 } 10421 }
10448 10422
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10822 } else { 10796 } else {
10823 // Handle last resort GC and make sure to allow future allocations 10797 // Handle last resort GC and make sure to allow future allocations
10824 // to grow the heap without causing GCs (if possible). 10798 // to grow the heap without causing GCs (if possible).
10825 Counters::gc_last_resort_from_js.Increment(); 10799 Counters::gc_last_resort_from_js.Increment();
10826 Heap::CollectAllGarbage(false); 10800 Heap::CollectAllGarbage(false);
10827 } 10801 }
10828 } 10802 }
10829 10803
10830 10804
10831 } } // namespace v8::internal 10805 } } // namespace v8::internal
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