--- a/jdk/src/macosx/native/sun/awt/awt.m Fri Jul 18 08:25:26 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,460 +0,0 @@
-/*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#import <pthread.h>
-#import <objc/runtime.h>
-#import <Cocoa/Cocoa.h>
-#import <Security/AuthSession.h>
-#import <JavaNativeFoundation/JavaNativeFoundation.h>
-#import <JavaRuntimeSupport/JavaRuntimeSupport.h>
-
-#import "NSApplicationAWT.h"
-#import "PropertiesUtilities.h"
-#import "ThreadUtilities.h"
-#import "AWT_debug.h"
-#import "ApplicationDelegate.h"
-
-#define DEBUG 0
-
-
-// The symbol is defined in libosxapp.dylib (ThreadUtilities.m)
-extern JavaVM *jvm;
-
-// Indicates if AWT is running embedded (in SWT, FX, elsewhere)
-static BOOL isEmbedded = NO;
-
-// Indicates that the app has been started with -XstartOnFirstThread
-// (directly or via WebStart settings), and AWT should not run its
-// own event loop in this mode. Even if a loop isn't running yet,
-// we expect an embedder (e.g. SWT) to start it some time later.
-static BOOL forceEmbeddedMode = NO;
-
-static bool ShouldPrintVerboseDebugging() {
- static int debug = -1;
- if (debug == -1) {
- debug = (int)(getenv("JAVA_AWT_VERBOSE") != NULL) || (DEBUG != 0);
- }
- return (bool)debug;
-}
-
-// This is the data necessary to have JNI_OnLoad wait for AppKit to start.
-static BOOL sAppKitStarted = NO;
-static pthread_mutex_t sAppKitStarted_mutex = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t sAppKitStarted_cv = PTHREAD_COND_INITIALIZER;
-
-void setBusy(BOOL isBusy);
-static void BusyObserver(CFRunLoopObserverRef ref, CFRunLoopActivity what, void* arg);
-static void NotBusyObserver(CFRunLoopObserverRef ref, CFRunLoopActivity what, void* arg);
-static void AWT_NSUncaughtExceptionHandler(NSException *exception);
-
-static CFRunLoopObserverRef busyObserver = NULL;
-static CFRunLoopObserverRef notBusyObserver = NULL;
-
-static void setUpAWTAppKit()
-{
- BOOL verbose = ShouldPrintVerboseDebugging();
- if (verbose) AWT_DEBUG_LOG(@"setting up busy observers");
-
- // Add CFRunLoopObservers to call into AWT so that AWT knows that the
- // AWT thread (which is the AppKit main thread) is alive. This way AWT
- // will not automatically shutdown.
- busyObserver = CFRunLoopObserverCreate(
- NULL, // CFAllocator
- kCFRunLoopAfterWaiting, // CFOptionFlags
- true, // repeats
- NSIntegerMax, // order
- &BusyObserver, // CFRunLoopObserverCallBack
- NULL); // CFRunLoopObserverContext
-
- notBusyObserver = CFRunLoopObserverCreate(
- NULL, // CFAllocator
- kCFRunLoopBeforeWaiting, // CFOptionFlags
- true, // repeats
- NSIntegerMin, // order
- &NotBusyObserver, // CFRunLoopObserverCallBack
- NULL); // CFRunLoopObserverContext
-
- CFRunLoopRef runLoop = [[NSRunLoop currentRunLoop] getCFRunLoop];
- CFRunLoopAddObserver(runLoop, busyObserver, kCFRunLoopDefaultMode);
- CFRunLoopAddObserver(runLoop, notBusyObserver, kCFRunLoopDefaultMode);
-
- CFRelease(busyObserver);
- CFRelease(notBusyObserver);
-
- setBusy(YES);
-}
-
-static void setUpAppKitThreadName()
-{
- BOOL verbose = ShouldPrintVerboseDebugging();
- JNIEnv *env = [ThreadUtilities getJNIEnv];
-
- // Set the java name of the AppKit main thread appropriately.
- jclass threadClass = NULL;
- jstring name = NULL;
- jobject curThread = NULL;
-
- threadClass = (*env)->FindClass(env, "java/lang/Thread");
- if (threadClass == NULL || (*env)->ExceptionCheck(env)) goto cleanup;
- jmethodID currentThreadID = (*env)->GetStaticMethodID(env, threadClass, "currentThread", "()Ljava/lang/Thread;");
- if (currentThreadID == NULL || (*env)->ExceptionCheck(env)) goto cleanup;
- jmethodID setName = (*env)->GetMethodID(env, threadClass, "setName", "(Ljava/lang/String;)V");
- if (setName == NULL || (*env)->ExceptionCheck(env)) goto cleanup;
-
- curThread = (*env)->CallStaticObjectMethod(env, threadClass, currentThreadID); // AWT_THREADING Safe (known object)
- if (curThread == NULL || (*env)->ExceptionCheck(env)) goto cleanup;
- name = (*env)->NewStringUTF(env, "AWT-AppKit");
- if (name == NULL || (*env)->ExceptionCheck(env)) goto cleanup;
- (*env)->CallVoidMethod(env, curThread, setName, name); // AWT_THREADING Safe (known object)
- if ((*env)->ExceptionCheck(env)) goto cleanup;
-
-cleanup:
- if (threadClass != NULL) {
- (*env)->DeleteLocalRef(env, threadClass);
- }
- if (name != NULL) {
- (*env)->DeleteLocalRef(env, name);
- }
- if (curThread != NULL) {
- (*env)->DeleteLocalRef(env, curThread);
- }
- if ((*env)->ExceptionCheck(env)) {
- (*env)->ExceptionDescribe(env);
- (*env)->ExceptionClear(env);
- }
-
- if (verbose) AWT_DEBUG_LOG(@"finished setting thread name");
-}
-
-
-// Returns true if java believes it is running headless
-BOOL isHeadless(JNIEnv *env) {
- // Just access the property directly, instead of using GraphicsEnvironment.isHeadless.
- // This is because this may be called while AWT is being loaded, and calling AWT
- // while it is being loaded will deadlock.
- static JNF_CLASS_CACHE(jc_Toolkit, "java/awt/GraphicsEnvironment");
- static JNF_STATIC_MEMBER_CACHE(jm_isHeadless, jc_Toolkit, "isHeadless", "()Z");
- return JNFCallStaticBooleanMethod(env, jm_isHeadless);
-}
-
-BOOL isSWTInWebStart(JNIEnv* env) {
- NSString *swtWebStart = [PropertiesUtilities javaSystemPropertyForKey:@"com.apple.javaws.usingSWT" withEnv:env];
- return [@"true" isCaseInsensitiveLike:swtWebStart];
-}
-
-void setBusy(BOOL busy) {
-AWT_ASSERT_APPKIT_THREAD;
-
- JNIEnv *env = [ThreadUtilities getJNIEnv];
- static JNF_CLASS_CACHE(jc_AWTAutoShutdown, "sun/awt/AWTAutoShutdown");
-
- if (busy) {
- static JNF_STATIC_MEMBER_CACHE(jm_notifyBusyMethod, jc_AWTAutoShutdown, "notifyToolkitThreadBusy", "()V");
- JNFCallStaticVoidMethod(env, jm_notifyBusyMethod);
- } else {
- static JNF_STATIC_MEMBER_CACHE(jm_notifyFreeMethod, jc_AWTAutoShutdown, "notifyToolkitThreadFree", "()V");
- JNFCallStaticVoidMethod(env, jm_notifyFreeMethod);
- }
-}
-
-static void BusyObserver(CFRunLoopObserverRef ref, CFRunLoopActivity what, void* arg) {
-AWT_ASSERT_APPKIT_THREAD;
-
- // This is only called with the selector kCFRunLoopAfterWaiting.
-#ifndef PRODUCT_BUILD
- assert(what == kCFRunLoopAfterWaiting);
-#endif /* PRODUCT_BUILD */
-
- setBusy(YES);
-}
-
-static void NotBusyObserver(CFRunLoopObserverRef ref, CFRunLoopActivity what, void* arg) {
-AWT_ASSERT_APPKIT_THREAD;
-
- // This is only called with the selector kCFRunLoopBeforeWaiting.
-#ifndef PRODUCT_BUILD
- assert(what == kCFRunLoopBeforeWaiting);
-#endif /* PRODUCT_BUILD */
-
- setBusy(NO);
-}
-
-static void AWT_NSUncaughtExceptionHandler(NSException *exception) {
- NSLog(@"Apple AWT Internal Exception: %@", [exception description]);
-}
-
-// This is an empty Obj-C object just so that -peformSelectorOnMainThread can be used.
-@interface AWTStarter : NSObject { }
-+ (void)start:(BOOL)headless;
-- (void)starter:(NSArray*)args;
-+ (void)appKitIsRunning:(id)arg;
-@end
-
-@implementation AWTStarter
-
-+ (BOOL) isConnectedToWindowServer {
- SecuritySessionId session_id;
- SessionAttributeBits session_info;
- OSStatus status = SessionGetInfo(callerSecuritySession, &session_id, &session_info);
- if (status != noErr) return NO;
- if (!(session_info & sessionHasGraphicAccess)) return NO;
- return YES;
-}
-
-+ (BOOL) markAppAsDaemon {
- id jrsAppKitAWTClass = objc_getClass("JRSAppKitAWT");
- SEL markAppSel = @selector(markAppIsDaemon);
- if (![jrsAppKitAWTClass respondsToSelector:markAppSel]) return NO;
- return [jrsAppKitAWTClass performSelector:markAppSel] ? YES : NO;
-}
-
-+ (void)appKitIsRunning:(id)arg {
- // Headless: NO
- // Embedded: BOTH
- // Multiple Calls: NO
- // Callers: AppKit's NSApplicationDidFinishLaunchingNotification or +[AWTStarter startAWT:]
-AWT_ASSERT_APPKIT_THREAD;
-
- BOOL verbose = ShouldPrintVerboseDebugging();
- if (verbose) AWT_DEBUG_LOG(@"about to message AppKit started");
-
- // Signal that AppKit has started (or is already running).
- pthread_mutex_lock(&sAppKitStarted_mutex);
- sAppKitStarted = YES;
- pthread_cond_signal(&sAppKitStarted_cv);
- pthread_mutex_unlock(&sAppKitStarted_mutex);
-
- if (verbose) AWT_DEBUG_LOG(@"finished messaging AppKit started");
-}
-
-+ (void)start:(BOOL)headless
-{
- BOOL verbose = ShouldPrintVerboseDebugging();
-
- // Headless: BOTH
- // Embedded: BOTH
- // Multiple Calls: NO
- // Caller: JNI_OnLoad
-
- // onMainThread is NOT the same at SWT mode!
- // If the JVM was started on the first thread for SWT, but the SWT loads the AWT on a secondary thread,
- // onMainThread here will be false but SWT mode will be true. If we are currently on the main thread, we don't
- // need to throw AWT startup over to another thread.
- BOOL onMainThread = (pthread_main_np() != 0);
-
- if (verbose) {
- NSString *msg = [NSString stringWithFormat:@"+[AWTStarter start headless:%d] { onMainThread:%d }", headless, onMainThread];
- AWT_DEBUG_LOG(msg);
- }
-
- if (!headless)
- {
- // Listen for the NSApp to start. This indicates that JNI_OnLoad can proceed.
- // It must wait because there is a chance that another java thread will grab
- // the AppKit lock before the +[NSApplication sharedApplication] returns.
- // See <rdar://problem/3492666> for an example.
- [[NSNotificationCenter defaultCenter] addObserver:[AWTStarter class]
- selector:@selector(appKitIsRunning:)
- name:NSApplicationDidFinishLaunchingNotification
- object:nil];
-
- if (verbose) NSLog(@"+[AWTStarter start:::]: registered NSApplicationDidFinishLaunchingNotification");
- }
-
- id st = [[AWTStarter alloc] init];
-
- NSArray * args = [NSArray arrayWithObjects:
- [NSNumber numberWithBool: onMainThread],
- [NSNumber numberWithBool: headless],
- [NSNumber numberWithBool: verbose],
- nil];
-
- if (onMainThread) {
- [st starter:args];
- } else {
- [st performSelectorOnMainThread: @selector(starter:) withObject:args waitUntilDone:NO];
- }
-
- if (!headless && !onMainThread) {
- if (verbose) AWT_DEBUG_LOG(@"about to wait on AppKit startup mutex");
-
- // Wait here for AppKit to have started (or for AWT to have been loaded into
- // an already running NSApplication).
- pthread_mutex_lock(&sAppKitStarted_mutex);
- while (sAppKitStarted == NO) {
- pthread_cond_wait(&sAppKitStarted_cv, &sAppKitStarted_mutex);
- }
- pthread_mutex_unlock(&sAppKitStarted_mutex);
-
- // AWT gets here AFTER +[AWTStarter appKitIsRunning:] is called.
- if (verbose) AWT_DEBUG_LOG(@"got out of the AppKit startup mutex");
- }
-
- if (!headless) {
- // Don't set the delegate until the NSApplication has been created and
- // its finishLaunching has initialized it.
- // ApplicationDelegate is the support code for com.apple.eawt.
- [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
- id<NSApplicationDelegate> delegate = [ApplicationDelegate sharedDelegate];
- if (delegate != nil) {
- OSXAPP_SetApplicationDelegate(delegate);
- }
- }];
- }
-}
-
-- (void)starter:(NSArray*)args {
- NSAutoreleasePool *pool = [NSAutoreleasePool new];
-
- BOOL onMainThread = [[args objectAtIndex:0] boolValue];
- BOOL headless = [[args objectAtIndex:1] boolValue];
- BOOL verbose = [[args objectAtIndex:2] boolValue];
-
- BOOL wasOnMainThread = onMainThread;
-
- // Add the exception handler of last resort
- NSSetUncaughtExceptionHandler(AWT_NSUncaughtExceptionHandler);
-
- // Headless mode trumps either ordinary AWT or SWT-in-AWT mode. Declare us a daemon and return.
- if (headless) {
- // Note that we don't install run loop observers in headless mode
- // because we don't need them (see 7174704)
- if (!forceEmbeddedMode) {
- setUpAppKitThreadName();
- }
- [AWTStarter markAppAsDaemon];
- return;
- }
-
- if (forceEmbeddedMode) {
- if (verbose) NSLog(@"in SWT or SWT/WebStart mode");
-
- // Init a default NSApplication instance instead of the NSApplicationAWT.
- // Note that [NSApp isRunning] will return YES after that, though
- // this behavior isn't specified anywhere. We rely on that.
- NSApplicationLoad();
- }
-
- // This will create a NSApplicationAWT for standalone AWT programs, unless there is
- // already a NSApplication instance. If there is already a NSApplication instance,
- // and -[NSApplication isRunning] returns YES, AWT is embedded inside another
- // AppKit Application.
- NSApplication *app = [NSApplicationAWT sharedApplication];
- isEmbedded = ![NSApp isKindOfClass:[NSApplicationAWT class]];
- [ThreadUtilities setAWTEmbedded:isEmbedded];
-
- if (!isEmbedded) {
- // Install run loop observers and set the AppKit Java thread name
- setUpAWTAppKit();
- setUpAppKitThreadName();
- }
-
- // AWT gets to this point BEFORE NSApplicationDidFinishLaunchingNotification is sent.
- if (![app isRunning]) {
- if (verbose) AWT_DEBUG_LOG(@"+[AWTStarter startAWT]: ![app isRunning]");
-
- // This is where the AWT AppKit thread parks itself to process events.
- [NSApplicationAWT runAWTLoopWithApp: app];
- } else {
- // We're either embedded, or showing a splash screen
- if (isEmbedded) {
- if (verbose) AWT_DEBUG_LOG(@"running embedded");
-
- // We don't track if the runloop is busy, so set it free to let AWT finish when it needs
- setBusy(NO);
- } else {
- if (verbose) AWT_DEBUG_LOG(@"running after showing a splash screen");
- }
-
- // Signal so that JNI_OnLoad can proceed.
- if (!wasOnMainThread) [AWTStarter appKitIsRunning:nil];
-
- // Proceed to exit this call as there is no reason to run the NSApplication event loop.
- }
-
- [pool drain];
-}
-
-@end
-
-
-JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
- BOOL verbose = ShouldPrintVerboseDebugging();
- if (verbose) AWT_DEBUG_LOG(@"entered JNI_OnLoad");
-
- // Headless: BOTH
- // Embedded: BOTH
- // Multiple Calls: NO
- // Caller: JavaVM classloader
-
- // Keep a static reference for other archives.
- OSXAPP_SetJavaVM(vm);
-
- JNIEnv *env = NULL;
-
- // Need JNIEnv for JNF_COCOA_ENTER(env); macro below
- jint status = (*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_4);
- if (status != JNI_OK || env == NULL) {
- AWT_DEBUG_LOG(@"Can't get JNIEnv");
- return JNI_VERSION_1_4;
- }
-
-JNF_COCOA_ENTER(env);
-
- // Launcher sets this env variable if -XstartOnFirstThread is specified
- char envVar[80];
- snprintf(envVar, sizeof(envVar), "JAVA_STARTED_ON_FIRST_THREAD_%d", getpid());
- if (getenv(envVar) != NULL) {
- forceEmbeddedMode = YES;
- unsetenv(envVar);
- }
-
- if (isSWTInWebStart(env)) {
- forceEmbeddedMode = YES;
- }
- JNIEnv* env = [ThreadUtilities getJNIEnvUncached];
- jclass jc_ThreadGroupUtils = (*env)->FindClass(env, "sun/awt/util/ThreadGroupUtils");
- jmethodID sjm_getRootThreadGroup = (*env)->GetStaticMethodID(env, jc_ThreadGroupUtils, "getRootThreadGroup", "()Ljava/lang/ThreadGroup;");
- jobject rootThreadGroup = (*env)->CallStaticObjectMethod(env, jc_ThreadGroupUtils, sjm_getRootThreadGroup);
- [ThreadUtilities setAppkitThreadGroup:(*env)->NewGlobalRef(env, rootThreadGroup)];
- // The current thread was attached in getJNIEnvUnchached.
- // Detach it back. It will be reattached later if needed with a proper TG
- [ThreadUtilities detachCurrentThread];
-
- BOOL headless = isHeadless(env);
-
- // We need to let Foundation know that this is a multithreaded application, if it isn't already.
- if (![NSThread isMultiThreaded]) {
- [NSThread detachNewThreadSelector:nil toTarget:nil withObject:nil];
- }
-
- [AWTStarter start:headless];
-
-JNF_COCOA_EXIT(env);
-
- if (verbose) AWT_DEBUG_LOG(@"exiting JNI_OnLoad");
-
- return JNI_VERSION_1_4;
-}