src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m

@@ -26,10 +26,11 @@
 #include "splashscreen_impl.h"
 
 #import <Cocoa/Cocoa.h>
 #import <objc/objc-auto.h>
 
+#include <Security/AuthSession.h>
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 #import "NSApplicationAWT.h"
 
 #include <sys/time.h>
 #include <pthread.h>

@@ -182,12 +183,35 @@
     }
     [pool drain];
     return JNI_FALSE;
 }
 
-void
+static int isInAquaSession() {
+    // environment variable to bypass the aqua session check
+    char *ev = getenv("AWT_FORCE_HEADFUL");
+    if (ev && (strncasecmp(ev, "true", 4) == 0)) {
+        // if "true" then tell the caller we're in
+        // an Aqua session without actually checking
+        return 1;
+    }
+    // Is the WindowServer available?
+    SecuritySessionId session_id;
+    SessionAttributeBits session_info;
+    OSStatus status = SessionGetInfo(callerSecuritySession, &session_id, &session_info);
+    if (status == noErr) {
+        if (session_info & sessionHasGraphicAccess) {
+            return 1;
+        }
+    }
+    return 0;
+}
+
+int
 SplashInitPlatform(Splash * splash) {
+    if (!isInAquaSession()) {
+        return 0;
+    }
     pthread_mutex_init(&splash->lock, NULL);
 
     splash->maskRequired = 0;
 
     

@@ -204,10 +228,11 @@
     if (!isSWTRunning()) {
         [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^() {
             [NSApplicationAWT runAWTLoopWithApp:[NSApplicationAWT sharedApplication]];
         }];
     }
+    return 1;
 }
 
 void
 SplashCleanupPlatform(Splash * splash) {
     splash->maskRequired = 0;