Fix screensaver on MacOS 14

api/graphics2_unix.cpp

@@ -1,6 +1,6 @@
 // This file is part of BOINC.
 // http://boinc.berkeley.edu
-// Copyright (C) 2020 University of California
+// Copyright (C) 2024 University of California
 //
 // BOINC is free software; you can redistribute it and/or modify it
 // under the terms of the GNU Lesser General Public License
@@ -237,15 +237,19 @@ void boinc_graphics_loop(int argc, char** argv, const char* title) {
         boinc_init_graphics_diagnostics(BOINC_DIAG_DEFAULTS);
     }
 
-#ifdef __APPLE__
-    char dir [MAXPATHLEN];
-    getcwd(dir, MAXPATHLEN);
-#endif
     for (int i=1; i<argc; i++) {
         if (!strcmp(argv[i], "--fullscreen")) {
             fullscreen = true;
         }
     }
+#ifdef __APPLE__
+    char dir [MAXPATHLEN];
+    getcwd(dir, MAXPATHLEN);
+
+    if (fullscreen) {
+        pass_BOINC_gfx_lib_version_to_ss();
+    }
+#endif
     boinc_glut_init(&argc, argv);
     make_window(title);
     glutTimerFunc(TIMER_INTERVAL_MSEC, timer_handler, 0);
@@ -299,4 +303,36 @@ bool UseSharedOffscreenBuffer() {
     }
     return false;
 }
+
+#include "shmem.h"
+
+// struct ss_shmem_data must be kept in sync in these files:
+// screensaver.cpp
+// gfx_switcher.cpp
+// gfx_cleanup.mm
+// graphics2_unix.cpp
+struct ss_shmem_data {
+    pid_t gfx_pid;
+    int gfx_slot;
+    int major_version;
+    int minor_version;
+    int release;
+};
+
+void pass_BOINC_gfx_lib_version_to_ss() {
+    struct ss_shmem_data* ss_shmem = NULL;
+    char userName[64];
+    char shmem_name[MAXPATHLEN];
+
+    strlcpy(userName, getenv("USER"), sizeof(userName));
+    snprintf(shmem_name, sizeof(shmem_name), "/tmp/boinc_ss_%s", userName);
+    attach_shmem_mmap(shmem_name, (void**)&ss_shmem);
+
+    if (ss_shmem) {
+        ss_shmem->major_version = BOINC_MAJOR_VERSION;
+        ss_shmem->minor_version = BOINC_MINOR_VERSION;
+        ss_shmem->release = BOINC_RELEASE;
+    }
+}
+
 #endif

api/macglutfix.m

@@ -1,6 +1,6 @@
 // Berkeley Open Infrastructure for Network Computing
 // http://boinc.berkeley.edu
-// Copyright (C) 2020 University of California
+// Copyright (C) 2024 University of California
 //
 // This is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -190,14 +190,12 @@ void HideThisApp() {
 @interface ServerController : NSObject <NSMachPortDelegate>
 {
     NSMachPort *serverPort;
-	NSMachPort *localPort;
-
-	uint32_t serverPortName;
-	uint32_t localPortName;
 
 	NSMachPort *clientPort[16];
 	uint32_t clientPortNames[16];
 	uint32_t clientPortCount;
+
+    bool mach_bootstrap_unavailable_to_screensavers;
 }
 - (ServerController *)init;
 - (kern_return_t)checkInClient:(mach_port_t)client_port index:(int32_t *)client_index;
@@ -220,30 +218,42 @@ @implementation ServerController
 
 - (ServerController *)init
 {
-	[[NSNotificationCenter defaultCenter] addObserver:self
-	    selector:@selector(portDied:) name:NSPortDidBecomeInvalidNotification object:nil];
-
     mach_port_t servicePortNum = MACH_PORT_NULL;
     kern_return_t machErr;
-    char *portName = "edu.berkeley.boincsaver";
+    char *portNameV1 = "edu.berkeley.boincsaver";
+    char *portNameV2 = "edu.berkeley.boincsaver-v2";
+
+    mach_bootstrap_unavailable_to_screensavers = false;
 
 // NSMachBootstrapServer is deprecated in OS 10.13, so use bootstrap_look_up
-//	serverPort = [(NSMachPort *)([[NSMachBootstrapServer sharedInstance] servicePortWithName:@"edu.berkeley.boincsaver"]) retain];
-    machErr = bootstrap_check_in(bootstrap_port, portName, &servicePortNum);
-    if (machErr != KERN_SUCCESS) {
-        		[NSApp terminate:self];
+//	serverPort = [(NSMachPort *)([[NSMachBootstrapServer sharedInstance] portForName:@"edu.berkeley.boincsaver"]) retain];
+	machErr = bootstrap_look_up(bootstrap_port, portNameV2, &servicePortNum);
+    if (machErr == KERN_SUCCESS) {
+        // As of MacOS 14.0, the legacyScreenSave sandbox prevents using
+        // bootstrap_look_up. I have filed bug report FB13300491 with
+        // Apple and hope they will change this in a future MacOS.
+        mach_bootstrap_unavailable_to_screensavers = true;
+
+        int32_t dummy_index;
+        [self checkInClient:servicePortNum index:&dummy_index];
+    } else {
+// NSMachBootstrapServer is deprecated in OS 10.13, so use bootstrap_check_in
+//	    serverPort = [(NSMachPort *)([[NSMachBootstrapServer sharedInstance] servicePortWithName:@"edu.berkeley.boincsaver"]) retain];
+        machErr = bootstrap_check_in(bootstrap_port, portNameV1, &servicePortNum);
+        if (machErr != KERN_SUCCESS) {  // maybe BOOTSTRAP_UNKNOWN_SERVICE
+            [NSApp terminate:self];
+        }
     }
-    serverPort = (NSMachPort*)[NSMachPort portWithMachPort:servicePortNum];
 
-	// Create a local dummy reply port to use with the mig reply stuff
-	localPort = [[NSMachPort alloc] init];
-
-	// Retrieve raw mach port names.
-	serverPortName = [serverPort machPort];
-	localPortName  = [localPort machPort];
+    serverPort = (NSMachPort*)[NSMachPort portWithMachPort:servicePortNum];
+	[[NSNotificationCenter defaultCenter] addObserver:self
+	    selector:@selector(portDied:) name:NSPortDidBecomeInvalidNotification object:nil];
 
-	[serverPort setDelegate:self];
-	[serverPort scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
+    if (!mach_bootstrap_unavailable_to_screensavers) {
+        // Register server port with the current runloop.
+        [serverPort setDelegate:self];  // CAF STD
+        [serverPort scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes]; // CAF STD
+    }
 
     // NOT USED: See comments in animateOneFrame in Mac_Saver_ModuleView.m
 #if 0

api/x_opengl.h

@@ -1,6 +1,6 @@
 // This file is part of BOINC.
 // http://boinc.berkeley.edu
-// Copyright (C) 2020 University of California
+// Copyright (C) 2024 University of California
 //
 // BOINC is free software; you can redistribute it and/or modify it
 // under the terms of the GNU Lesser General Public License
@@ -32,6 +32,7 @@ extern void BringAppToFront(void);
 extern void HideThisApp(void);
 extern bool UseSharedOffscreenBuffer(void);
 extern bool debugSharedOffscreenBuffer;
+void pass_BOINC_gfx_lib_version_to_ss(void);
 
 extern void print_to_log_file(const char *format, ...);
 

clientscr/Mac_Saver_Module.h

@@ -1,6 +1,6 @@
 // This file is part of BOINC.
 // http://boinc.berkeley.edu
-// Copyright (C) 2023 University of California
+// Copyright (C) 2024 University of California
 //
 // BOINC is free software; you can redistribute it and/or modify it
 // under the terms of the GNU Lesser General Public License
@@ -47,14 +47,15 @@ bool            getShow_default_ss_first();
 double          getGFXDefaultPeriod();
 double          getGFXSciencePeriod();
 double          getGGFXChangePeriod();
-void            incompatibleGfxApp(char * appPath, pid_t pid, int slot);
+void            incompatibleGfxApp(char * appPath, char * wuName, pid_t pid, int slot);
 void            setShow_default_ss_first(bool value);
 void            setGFXDefaultPeriod(double value);
 void            setGFXSciencePeriod(double value);
 void            setGGFXChangePeriod(double value);
 double          getDTime();
 void            doBoinc_Sleep(double seconds);
-void            launchedGfxApp(char * appPath, pid_t thePID, int slot);
+void            launchedGfxApp(char * appPath, char * wuName, pid_t thePID, int slot);
+int             compareBOINCLibVersionTo(int toMajor, int toMinor, int toRelease);
 void            print_to_log_file(const char *format, ...);
 void            strip_cr(char *buf);
 void            PrintBacktrace(void);
@@ -63,7 +64,8 @@ extern bool     gIsMojave;
 extern bool     gIsCatalina;
 extern bool     gIsHighSierra;
 extern bool     gIsSonoma;
-extern bool     gCant_Use_Shared_Offscreen_Buffer;
+extern bool     gMach_bootstrap_unavailable_to_screensavers;
+extern mach_port_name_t commsPort;
 
 #ifdef __cplusplus
 }	// extern "C"

clientscr/Mac_Saver_ModuleView.h

@@ -1,6 +1,6 @@
 // This file is part of BOINC.
 // http://boinc.berkeley.edu
-// Copyright (C) 2023 University of California
+// Copyright (C) 2024 University of California
 //
 // BOINC is free software; you can redistribute it and/or modify it
 // under the terms of the GNU Lesser General Public License
@@ -51,8 +51,9 @@
 
 @property (NS_NONATOMIC_IOSONLY, readonly) GLuint currentTextureName;
 - (void)init:(NSView*)saverView;
-- (void)portDied:(NSNotification *)notification;
 - (void)testConnection;
+- (void)portDied:(NSNotification *)notification;
+- (void)cleanUpOpenGL;
 
 @end
 
@@ -84,14 +85,15 @@ bool            getShow_default_ss_first();
 double          getGFXDefaultPeriod();
 double          getGFXSciencePeriod();
 double          getGGFXChangePeriod();
-void            incompatibleGfxApp(char * appPath, pid_t pid, int slot);
+void            incompatibleGfxApp(char * appPath, char * wuName, pid_t pid, int slot);
 void            setShow_default_ss_first(bool value);
 void            setGFXDefaultPeriod(double value);
 void            setGFXSciencePeriod(double value);
 void            setGGFXChangePeriod(double value);
 double          getDTime();
 void            doBoinc_Sleep(double seconds);
-void            launchedGfxApp(char * appPath, pid_t thePID, int slot);
+void            launchedGfxApp(char * appPath, char * wuName, pid_t thePID, int slot);
+int             compareBOINCLibVersionTo(int toMajor, int toMinor, int toRelease);
 void            print_to_log_file(const char *format, ...);
 void            strip_cr(char *buf);
 void            PrintBacktrace(void);
@@ -100,7 +102,9 @@ extern bool     gIsCatalina;
 extern bool     gIsHighSierra;
 extern bool     gIsMojave;
 extern bool     gIsSonoma;
-extern bool     gCant_Use_Shared_Offscreen_Buffer;
+extern bool     gMach_bootstrap_unavailable_to_screensavers;
+extern mach_port_name_t commsPort;
+
 
 #ifdef __cplusplus
 }    // extern "C"