--- a/make/lib/Awt2dLibraries.gmk	Thu May 30 09:23:14 2019 -0700
+++ b/make/lib/Awt2dLibraries.gmk	Thu May 30 11:52:23 2019 -0700
@@ -824,6 +824,7 @@
         $(LIBM) -lpthread -liconv -losxapp \
         -framework ApplicationServices \
         -framework Foundation \
+        -framework Security \
         -framework Cocoa \
         -framework JavaNativeFoundation
   else ifeq ($(call isTargetOs, windows), true)

--- a/src/java.base/share/native/libjli/java.c	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.base/share/native/libjli/java.c	Thu May 30 11:52:23 2019 -0700
@@ -1169,13 +1169,13 @@
      * Passing on splash screen info in environment variables
      */
     if (splash_file_name && !headlessflag) {
-        char* splash_file_entry = JLI_MemAlloc(JLI_StrLen(SPLASH_FILE_ENV_ENTRY "=")+JLI_StrLen(splash_file_name)+1);
+        splash_file_entry = JLI_MemAlloc(JLI_StrLen(SPLASH_FILE_ENV_ENTRY "=")+JLI_StrLen(splash_file_name)+1);
         JLI_StrCpy(splash_file_entry, SPLASH_FILE_ENV_ENTRY "=");
         JLI_StrCat(splash_file_entry, splash_file_name);
         putenv(splash_file_entry);
     }
     if (splash_jar_name && !headlessflag) {
-        char* splash_jar_entry = JLI_MemAlloc(JLI_StrLen(SPLASH_JAR_ENV_ENTRY "=")+JLI_StrLen(splash_jar_name)+1);
+        splash_jar_entry = JLI_MemAlloc(JLI_StrLen(SPLASH_JAR_ENV_ENTRY "=")+JLI_StrLen(splash_jar_name)+1);
         JLI_StrCpy(splash_jar_entry, SPLASH_JAR_ENV_ENTRY "=");
         JLI_StrCat(splash_jar_entry, splash_jar_name);
         putenv(splash_jar_entry);
@@ -2241,6 +2241,11 @@
     if (file_name == NULL){
         return;
     }
+
+    if (!DoSplashInit()) {
+        goto exit;
+    }
+
     maxScaledImgNameLength = DoSplashGetScaledImgNameMaxPstfixLen(file_name);
 
     scaled_splash_name = JLI_MemAlloc(
@@ -2261,13 +2266,13 @@
                             jar_name, file_name, &data_size);
         }
         if (image_data) {
-            DoSplashInit();
             DoSplashSetScaleFactor(scale_factor);
             DoSplashLoadMemory(image_data, data_size);
             JLI_MemFree(image_data);
+        } else {
+            DoSplashClose();
         }
     } else {
-        DoSplashInit();
         if (isImageScaled) {
             DoSplashSetScaleFactor(scale_factor);
             DoSplashLoadFile(scaled_splash_name);
@@ -2279,6 +2284,7 @@
 
     DoSplashSetFileJarName(file_name, jar_name);
 
+    exit:
     /*
      * Done with all command line processing and potential re-execs so
      * clean up the environment.

--- a/src/java.base/share/native/libjli/splashscreen.h	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.base/share/native/libjli/splashscreen.h	Thu May 30 11:52:23 2019 -0700
@@ -26,7 +26,7 @@
 
 int     DoSplashLoadMemory(void* pdata, int size); /* requires preloading the file */
 int     DoSplashLoadFile(const char* filename);
-void    DoSplashInit(void);
+int     DoSplashInit(void);
 void    DoSplashClose(void);
 void    DoSplashSetFileJarName(const char* fileName, const char* jarName);
 void    DoSplashSetScaleFactor(float scaleFactor);

--- a/src/java.base/share/native/libjli/splashscreen_stubs.c	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.base/share/native/libjli/splashscreen_stubs.c	Thu May 30 11:52:23 2019 -0700
@@ -33,7 +33,7 @@
  */
 typedef int (*SplashLoadMemory_t)(void* pdata, int size);
 typedef int (*SplashLoadFile_t)(const char* filename);
-typedef void (*SplashInit_t)(void);
+typedef int (*SplashInit_t)(void);
 typedef void (*SplashClose_t)(void);
 typedef void (*SplashSetFileJarName_t)(const char* fileName,
                                        const char* jarName);
@@ -71,8 +71,8 @@
     INVOKE(SplashLoadFile, 0)(filename);
 }
 
-void    DoSplashInit(void) {
-    INVOKEV(SplashInit)();
+int     DoSplashInit(void) {
+    INVOKE(SplashInit, 0)();
 }
 
 void    DoSplashClose(void) {

--- a/src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m	Thu May 30 11:52:23 2019 -0700
@@ -28,6 +28,7 @@
 #import <Cocoa/Cocoa.h>
 #import <objc/objc-auto.h>
 
+#include <Security/AuthSession.h>
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 #import "NSApplicationAWT.h"
 
@@ -184,8 +185,31 @@
     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;
@@ -206,6 +230,7 @@
             [NSApplicationAWT runAWTLoopWithApp:[NSApplicationAWT sharedApplication]];
         }];
     }
+    return 1;
 }
 
 void

--- a/src/java.desktop/share/native/libsplashscreen/splashscreen_impl.c	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.desktop/share/native/libsplashscreen/splashscreen_impl.c	Thu May 30 11:52:23 2019 -0700
@@ -57,7 +57,7 @@
     splash->jarName = SplashConvertStringAlloc(jarName, &splash->jarNameLen);
 }
 
-JNIEXPORT void
+JNIEXPORT int
 SplashInit()
 {
     Splash *splash = SplashGetInstance();
@@ -67,7 +67,7 @@
     splash->scaleFactor = 1;
     initFormat(&splash->imageFormat, QUAD_RED_MASK, QUAD_GREEN_MASK,
         QUAD_BLUE_MASK, QUAD_ALPHA_MASK);
-    SplashInitPlatform(splash);
+    return SplashInitPlatform(splash);
 }
 
 JNIEXPORT void
@@ -263,6 +263,7 @@
 
     Splash *splash = SplashGetInstance();
     if (splash->isVisible < 0) {
+        stream->close(stream);
         return 0;
     }
 

--- a/src/java.desktop/share/native/libsplashscreen/splashscreen_impl.h	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.desktop/share/native/libsplashscreen/splashscreen_impl.h	Thu May 30 11:52:23 2019 -0700
@@ -36,7 +36,7 @@
 JNIEXPORT int
 SplashLoadFile(const char *filename);  // FIXME: range checking for SplashLoadMemory
 
-JNIEXPORT void
+JNIEXPORT int
 SplashInit(void);
 
 JNIEXPORT void
@@ -125,7 +125,7 @@
 /* To be implemented in the platform-specific native code. */
 
 
-void SplashInitPlatform(Splash * splash);
+int  SplashInitPlatform(Splash * splash);
 void SplashCreateThread(Splash * splash);
 void SplashCleanupPlatform(Splash * splash);
 void SplashDonePlatform(Splash * splash);

--- a/src/java.desktop/unix/native/libsplashscreen/splashscreen_sys.c	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.desktop/unix/native/libsplashscreen/splashscreen_sys.c	Thu May 30 11:52:23 2019 -0700
@@ -405,7 +405,7 @@
     return 0;
 }
 
-void
+int
 SplashInitPlatform(Splash * splash) {
     int shapeVersionMajor, shapeVersionMinor;
 
@@ -424,7 +424,7 @@
     splash->display = XOpenDisplay(NULL);
     if (!splash->display) {
         splash->isVisible = -1;
-        return;
+        return 0;
     }
 
     shapeSupported = XShapeQueryExtension(splash->display, &shapeEventBase,
@@ -474,7 +474,7 @@
                 splash->screen = NULL;
                 splash->visual = NULL;
                 fprintf(stderr, "Warning: unable to initialize the splashscreen. Not enough available color cells.\n");
-                return;
+                return 0;
             }
             splash->cmap = AllocColors(splash->display, splash->screen,
                     numColors, colorIndex);
@@ -506,6 +506,7 @@
     default:
         ; /* FIXME: should probably be fixed, but javaws splash screen doesn't support other visuals either */
     }
+    return 1;
 }
 
 

--- a/src/java.desktop/windows/native/libsplashscreen/splashscreen_sys.c	Thu May 30 09:23:14 2019 -0700
+++ b/src/java.desktop/windows/native/libsplashscreen/splashscreen_sys.c	Thu May 30 11:52:23 2019 -0700
@@ -437,7 +437,7 @@
     LeaveCriticalSection(&splash->lock);
 }
 
-void
+int
 SplashInitPlatform(Splash * splash)
 {
     HDC hdc;
@@ -486,6 +486,7 @@
         }
     }
     ReleaseDC(NULL, hdc);
+    return 1;
 }
 
 void