JavaScriptCore:

JavaScriptCore:

        Reviewed by Geoff.

	<rdar://problem/4139620> Seed: WebKit: hang when sending XMLHttpRequest if automatic proxy config is used

	Also factored locking code completely into a separate class, and
	added a convenient packaged way to temporarily drop locks.

        * JavaScriptCore.xcodeproj/project.pbxproj:
        * kjs/JSLock.cpp: Added.
        (KJS::initializeInterpreterLock):
        (KJS::InterpreterLock::lock):
        (KJS::InterpreterLock::unlock):
        (KJS::InterpreterLock::lockCount):
        (KJS::InterpreterLock::DropAllLocks::DropAllLocks):
        (KJS::InterpreterLock::DropAllLocks::~DropAllLocks):
        * kjs/JSLock.h: Added.
        (KJS::InterpreterLock::InterpreterLock):
        (KJS::InterpreterLock::~InterpreterLock):
        * kjs/internal.cpp:
        * kjs/internal.h:
        * kjs/interpreter.cpp:
        * kjs/interpreter.h:
        * kjs/protect.h:
        * kjs/testkjs.cpp:
        (TestFunctionImp::callAsFunction):

WebCore:

        Reviewed by Geoff.

	<rdar://problem/4139620> Seed: WebKit: hang when sending XMLHttpRequest if automatic proxy config is used

        * khtml/ecma/kjs_events.cpp:
        (KJS::JSLazyEventListener::parseCode):
        * khtml/ecma/xmlhttprequest.cpp:
        (KJS::XMLHttpRequest::send):
        * kwq/WebCoreJavaScript.mm:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@11284 268f45cc-cd09-0410-ab3c-d52691b4dbfc