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Mac: FIx screensaver coordinator to run properly under Mac OS 11 Big Sur

This commit is contained in:
Charlie Fenton 2020-08-06 04:48:19 -07:00
parent bab861df05
commit 3e18fc3b20
2 changed files with 37 additions and 4 deletions
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28
clientscr/gfx_switcher.cpp
View File

@ -173,7 +173,7 @@ int main(int argc, char** argv) {
return errno;
} else { // if screensaverLoginUser
#if VERBOSE // For debugging only
print_to_log_file("gfx_switcher using fork()");;
print_to_log_file("gfx_switcher using fork()");
#endif
int pid = fork();
if (pid == 0) {
@ -182,10 +182,16 @@ int main(int argc, char** argv) {
// full path twice in the argument list to execv.
execv(resolved_path, argv+2);
// If we got here execv failed
#if VERBOSE // For debugging only
print_to_log_file("gfx_switcher: Process creation (%s) failed: errno=%d\n", resolved_path, errno);
#endif
fprintf(stderr, "Process creation (%s) failed: errno=%d\n", resolved_path, errno);
return errno;
} else {
char shmem_name[MAXPATHLEN];
#if VERBOSE // For debugging only
print_to_log_file("gfx_switcher: Child PID=%d", pid);
#endif
snprintf(shmem_name, sizeof(shmem_name), "/tmp/boinc_ss_%s", screensaverLoginUser);
retval = attach_shmem_mmap(shmem_name, (void**)&pid_for_shmem);
if (pid_for_shmem != 0) {
@ -280,10 +286,24 @@ void * MonitorScreenSaverEngine(void* param) {
while (true) {
boinc_sleep(1.0); // Test every second
ScreenSaverEngine_Pid = getPidIfRunning("com.apple.ScreenSaver.Engine");
if (ScreenSaverEngine_Pid == 0) {
kill(graphics_Pid, SIGKILL);
#if VERBOSE // For debugging only
print_to_log_file("MonitorScreenSaverEngine calling kill(%d, SIGKILL", graphics_Pid);
print_to_log_file("MonitorScreenSaverEngine: ScreenSaverEngine_Pid=%d", ScreenSaverEngine_Pid);
#endif
if (ScreenSaverEngine_Pid == 0) {
#ifdef __x86_64__
ScreenSaverEngine_Pid = getPidIfRunning("com.apple.ScreenSaver.Engine.legacyScreenSaver.x86_64");
#elif defined(__arm64__)
ScreenSaverEngine_Pid = getPidIfRunning("com.apple.ScreenSaver.Engine.legacyScreenSaver.arm64");
#endif
#if VERBOSE // For debugging only
print_to_log_file("MonitorScreenSaverEngine: ScreenSaverEngine_legacyScreenSaver_Pid=%d", ScreenSaverEngine_Pid);
#endif
}
if (ScreenSaverEngine_Pid == 0) {
kill(graphics_Pid, SIGKILL);
#if VERBOSE // For debugging only
print_to_log_file("MonitorScreenSaverEngine calling kill(%d, SIGKILL", graphics_Pid);
#endif
return 0;
}

13
clientscr/screensaver.cpp
View File

@ -26,6 +26,8 @@
#endif
#ifdef __APPLE__
#define VERBOSE 0
#include <Carbon/Carbon.h>
#include <sys/wait.h>
#include <app_ipc.h>
@ -49,6 +51,17 @@ extern pthread_mutex_t saver_mutex;
#include "str_replace.h"
#include "screensaver.h"
#ifdef __APPLE__
#undef BOINCTRACE
#if VERBOSE
#define BOINCTRACE print_to_log_file
#else
#define BOINCTRACE(...)
#endif
#define _T
#endif
// Platform specific application includes
//
#if defined(_WIN32)