static int iokit_unmount (MMCDEV *mmc) {
if (0 == mmc->is_mounted) {
return 0; /* nothing to do */
}
BD_DEBUG(DBG_MMC, "Unmounting disk\n");
mmc->session = DASessionCreate (kCFAllocatorDefault);
if (NULL == mmc->session) {
BD_DEBUG(DBG_MMC, "Could not create a disc arbitration session\n");
return -1;
}
mmc->disk = DADiskCreateFromBSDName (kCFAllocatorDefault, mmc->session, mmc->bsd_name);
if (NULL == mmc->disk) {
BD_DEBUG(DBG_MMC, "Could not create a disc arbitration disc for the device\n");
CFRelease (mmc->session);
mmc->session = NULL;
return -1;
}
DAApprovalSessionScheduleWithRunLoop (mmc->session, CFRunLoopGetCurrent (),
kCFRunLoopDefaultMode);
DADiskUnmount (mmc->disk, kDADiskUnmountOptionForce, iokit_unmount_complete, mmc);
CFRunLoopRunInMode (kCFRunLoopDefaultMode, 10, true);
return mmc->is_mounted ? -1 : 0;
}
int main(int argc, const char *argv[])
{
int argi;
bool useConsole;
for (argi = 1; argi < argc && argv[argi][0] == '-'; argi++) {
if (!strcmp(argv[argi], "-quiet")) {
quiet = true;
} else {
fprintf(stderr, "unknown parameter `%s'\n", argv[argi]);
}
}
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
DAApprovalSessionRef session = DAApprovalSessionCreate(kCFAllocatorDefault);
if (!session) {
fprintf(stderr, "failed to create Disk Arbitration session\n");
} else if (argc - argi <= 0) {
fprintf(stderr, "usage: %s [-quiet] <name> ...\n", argv[0]);
} else {
CFStringRef cfStringNames[argc - argi];
if(!quiet) fprintf(stderr, "blocking:\n");
for(nameCount = 0; nameCount < argc - argi; nameCount++) {
if(!quiet) fprintf(stderr, "(%d) `%s'\n", nameCount + 1, argv[nameCount + argi]);
cfStringNames[nameCount] = CFStringCreateWithCStringNoCopy(NULL,
argv[nameCount + argi],
kCFStringEncodingUTF8,
kCFAllocatorNull);
}
names = cfStringNames;
DARegisterDiskMountApprovalCallback(session, NULL, BlockMount, NULL);
DAApprovalSessionScheduleWithRunLoop(session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
while (run) {
CFRunLoopRun();
}
DAApprovalSessionUnscheduleFromRunLoop(session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
DAUnregisterApprovalCallback(session, BlockMount, NULL);
CFRelease(session);
}
return 0;
}
