Changeset 217611 in webkit for trunk/Source/JavaScriptCore/runtime/JSLock.cpp

Timestamp:

May 31, 2017, 11:16:53 AM (8 years ago)

Author:

[email protected]

Message:

Reland r216808, underlying lldb bug has been fixed.
​https://bugs.webkit.org/show_bug.cgi?id=172759

Source/JavaScriptCore:

Unreviewed, relanding old patch. See: rdar://problem/31183352

• API/tests/ExecutionTimeLimitTest.cpp:

(dispatchTermitateCallback):
(testExecutionTimeLimit):

• runtime/JSLock.cpp:

(JSC::JSLock::didAcquireLock):

• runtime/Options.cpp:

(JSC::overrideDefaults):
(JSC::Options::initialize):

• runtime/Options.h:
• runtime/VMTraps.cpp:

(JSC::SignalContext::SignalContext):
(JSC::SignalContext::adjustPCToPointToTrappingInstruction):
(JSC::installSignalHandler):
(JSC::VMTraps::SignalSender::send):

• tools/SigillCrashAnalyzer.cpp:

(JSC::SignalContext::SignalContext):
(JSC::SignalContext::dump):
(JSC::installCrashHandler):

• wasm/WasmBBQPlan.cpp:

(JSC::Wasm::BBQPlan::compileFunctions):

• wasm/WasmFaultSignalHandler.cpp:

(JSC::Wasm::trapHandler):
(JSC::Wasm::enableFastMemory):

• wasm/WasmMachineThreads.cpp:

(JSC::Wasm::resetInstructionCacheOnAllThreads):

Source/WTF:

Unreviewed, relanding old patch. See: rdar://problem/31183352

• Configurations/WTF.xcconfig:
• WTF.xcodeproj/project.pbxproj:
• wtf/Platform.h:
• wtf/PlatformRegisters.h:

(WTF::registersFromUContext):

• wtf/StackBounds.h:

(WTF::StackBounds::StackBounds):

• wtf/ThreadHolder.cpp:

(WTF::ThreadHolder::~ThreadHolder):

• wtf/ThreadMessage.cpp:

(WTF::sendMessageUsingSignal):
(WTF::sendMessageUsingMach):
(WTF::deliverMessagesUsingMach):
(WTF::sendMessageScoped):

• wtf/ThreadMessage.h:

(WTF::sendMessage):

• wtf/Threading.h:

(WTF::Thread::machThread):

• wtf/mac/MachExceptions.defs: Copied from Source/WTF/wtf/ThreadMessage.h.
• wtf/threads/Signals.cpp:

(WTF::startMachExceptionHandlerThread):
(WTF::fromMachException):
(WTF::toMachMask):
(WTF::handleSignalsWithMach):
(WTF::setExceptionPorts):
(WTF::activeThreads):
(WTF::registerThreadForMachExceptionHandling):
(WTF::unregisterThreadForMachExceptionHandling):
(WTF::installSignalHandler):
(WTF::jscSignalHandler):

• wtf/threads/Signals.h:

Tools:

Unreviewed, relanding old patch. See: rdar://problem/31183352

• TestWebKitAPI/Tests/WTF/ThreadMessages.cpp:

(runThreadMessageTest):
(TEST):

File:

• trunk/Source/JavaScriptCore/runtime/JSLock.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/runtime/JSLock.cpp

@@ -31 +31 @@
 #include "WasmMachineThreads.h"
 #include <thread>
+#include <wtf/Threading.h>
+#include <wtf/threads/Signals.h>
 
 namespace JSC {
@@ -149 +151 @@
 #endif
 
+#if HAVE(MACH_EXCEPTIONS)
+    registerThreadForMachExceptionHandling(&Thread::current());
+#endif
+
     m_vm->traps().notifyGrabAllLocks();