}
+bool StackGuard::CheckAndClearInterrupt(InterruptFlag flag,
+ const ExecutionAccess& lock) {
+ int flagbit = 1 << flag;
+ bool result = (thread_local_.interrupt_flags_ & flagbit);
+ thread_local_.interrupt_flags_ &= ~flagbit;
+ if (!should_postpone_interrupts(lock) && !has_pending_interrupts(lock)) {
+ reset_limits(lock);
+ }
+ return result;
+}
+
+
char* StackGuard::ArchiveStackGuard(char* to) {
ExecutionAccess access(isolate_);
OS::MemCopy(to, reinterpret_cast<char*>(&thread_local_), sizeof(ThreadLocal));
Object* StackGuard::HandleInterrupts() {
- { ExecutionAccess access(isolate_);
- if (should_postpone_interrupts(access)) {
- return isolate_->heap()->undefined_value();
- }
+ ExecutionAccess access(isolate_);
+ if (should_postpone_interrupts(access)) {
+ return isolate_->heap()->undefined_value();
}
- if (CheckApiInterrupt()) {
- ClearApiInterrupt();
+ if (CheckAndClearInterrupt(API_INTERRUPT, access)) {
isolate_->InvokeApiInterruptCallback();
}
- if (CheckGC()) {
+ if (CheckAndClearInterrupt(GC_REQUEST, access)) {
isolate_->heap()->CollectAllGarbage(Heap::kNoGCFlags, "GC interrupt");
- ClearGC();
}
if (CheckDebugBreak() || CheckDebugCommand()) {
Execution::DebugBreakHelper(isolate_);
}
- if (CheckTerminateExecution()) {
- ClearTerminateExecution();
+ if (CheckAndClearInterrupt(TERMINATE_EXECUTION, access)) {
return isolate_->TerminateExecution();
}
- if (CheckFullDeopt()) {
- ClearFullDeopt();
+ if (CheckAndClearInterrupt(FULL_DEOPT, access)) {
Deoptimizer::DeoptimizeAll(isolate_);
}
- if (CheckDeoptMarkedAllocationSites()) {
- ClearDeoptMarkedAllocationSites();
+ if (CheckAndClearInterrupt(DEOPT_MARKED_ALLOCATION_SITES, access)) {
isolate_->heap()->DeoptMarkedAllocationSites();
}
- if (CheckInstallCode()) {
+ if (CheckAndClearInterrupt(INSTALL_CODE, access)) {
ASSERT(isolate_->concurrent_recompilation_enabled());
- ClearInstallCode();
isolate_->optimizing_compiler_thread()->InstallOptimizedFunctions();
}