registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc • The uses of NULL strings have been changed greatly. All out parameters now use empty strings to signal a null value. For in parameters both the old NULL and empty string is allowed. This change was necessary

registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc • The uses of NULL strings have been changed greatly. All out parameters now use empty strings to signal a null value. For in parameters both the old NULL and empty string is allowed. This change was necessary

registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 81 5 Classes (interfaces) 5.26.1.10 winId (read-only) long

atexit registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 81 5 Classes (interfaces) 5.26.1.10 winId (read-only) long

registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 5.31.1.10 winId (read-only) long long IFramebuffer::winId

registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). */ if (atexit(g_pVBoxFuncs->pfnClientUninitialize()) != 0) { fprintf(stderr, "failed to register expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 5.31.1.10 winId (read-only) long long IFramebuffer::winId

atexit registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). */ if (atexit(g_pVBoxFuncs->pfnClientUninitialize()) != 0) { fprintf(stderr, "failed to register expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 5.31.1.10 winId (read-only) long long IFramebuffer::winId Platform-dependent

atexit registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). */ if (atexit(g_pVBoxFuncs->pfnClientUninitialize()) != 0) { fprintf(stderr, "failed to register expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 5.31.1.10 winId (read-only) long long IFramebuffer::winId Platform-dependent

registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 87 5 Classes (interfaces) 5.30.1.10 winId (read-only) long

atexit registered functions are not * called upon abnormal termination, i.e. when calling abort() or * signal(). Separate provisions must be taken for these cases. */ if (atexit(g_pVBoxFuncs->pfnComUninitialize()) expect the program to be terminated by a signal (e.g. user types CTRL-C sending SIGINT) you might want to install a signal handler setting a flag noting that a signal was sent and then calling g_pVBoxFunc overlay can be created lazily the first time it is requested. This attribute can also return null to signal that the overlay is not implemented. 86 5 Classes (interfaces) 5.30.1.10 winId (read-only) long