static void tests(void)
{
// CFStringRef messageToUser = CFSTR("OK to sync with world?");
// CFStringRef messageToUser = CFSTR("Allow “Emily‘s iPad to use your iCloud Keychain?");
#if !TARGET_IPHONE_SIMULATOR
#if TARGET_OS_EMBEDDED
CFStringRef our_peer_id = (CFStringRef)MGCopyAnswer(kMGQUserAssignedDeviceName, NULL);
#else
CFStringRef our_peer_id = CFSTR("🔥💩");
#endif
#else
CFStringRef our_peer_id = CFSTR("Emily‘s iPad");
#endif
CFStringRef messageToUser = CFStringCreateWithFormat(kCFAllocatorDefault, 0, CFSTR("Allow “%@” to use your iCloud Keychain?"), our_peer_id);
dispatch_queue_t processQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_group_t work_group = dispatch_group_create();
// Prep the group for exitting the whole shebang.
dispatch_group_enter(work_group);
dispatch_group_notify(work_group, processQueue, ^
{
printf("Exiting via dispatch_group_notify; all work done\n");
CFRunLoopStop(CFRunLoopGetMain());
// exit(0);
});
void RequestTimer::setTimeout(int seconds) {
m_timeoutSeconds = seconds > 0 ? seconds : 0;
cancelTimerSource();
if (!m_timeoutSeconds) {
return;
}
dispatch_queue_t q =
dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
m_timerSource = dispatch_source_create(
DISPATCH_SOURCE_TYPE_TIMER, 0, DISPATCH_TIMER_STRICT, q);
dispatch_time_t t =
dispatch_time(DISPATCH_TIME_NOW, m_timeoutSeconds * NSEC_PER_SEC);
dispatch_source_set_timer(m_timerSource, t, DISPATCH_TIME_FOREVER, 0);
// Use the timer group as a semaphore. When the source is cancelled,
// libdispatch will make sure all pending event handlers have finished before
// invoking the cancel handler. This means that if we cancel the source and
// then wait on the timer group, when we are done waiting, we know the source
// is completely done and it's safe to free memory (e.g., in the destructor).
// See cancelTimerSource() above.
dispatch_group_enter(m_timerGroup);
dispatch_source_set_event_handler(m_timerSource, ^{
onTimeout();
// Cancelling ourselves isn't needed for correctness, but we can go ahead
// and do it now instead of waiting on it later, so why not. (Also,
// getRemainingTime does use this opportunistically, but it's best effort.)
dispatch_source_cancel(m_timerSource);
});
static void
test_io_close(int with_timer, bool from_path)
{
#define chunks 4
#define READSIZE (512*1024)
unsigned int i;
const char *path = LARGE_FILE;
int fd = open(path, O_RDONLY);
if (fd == -1) {
if (errno == ENOENT) {
test_skip("Large file not found");
return;
}
test_errno("open", errno, 0);
test_stop();
}
#ifdef F_GLOBAL_NOCACHE
if (fcntl(fd, F_GLOBAL_NOCACHE, 1) == -1) {
test_errno("fcntl F_GLOBAL_NOCACHE", errno, 0);
test_stop();
}
#endif
struct stat sb;
if (fstat(fd, &sb)) {
test_errno("fstat", errno, 0);
test_stop();
}
const size_t size = (size_t)sb.st_size / chunks;
const int expected_error = with_timer? ECANCELED : 0;
dispatch_source_t t = NULL;
dispatch_group_t g = dispatch_group_create();
dispatch_group_enter(g);
void (^cleanup_handler)(int error) = ^(int error) {
test_errno("create error", error, 0);
dispatch_group_leave(g);
close(fd);
};
dispatch_io_t io;
if (!from_path) {
io = dispatch_io_create(DISPATCH_IO_RANDOM, fd,
dispatch_get_global_queue(0, 0), cleanup_handler);
} else {
#if DISPATCHTEST_IO_PATH
io = dispatch_io_create_with_path(DISPATCH_IO_RANDOM, path, O_RDONLY, 0,
dispatch_get_global_queue(0, 0), cleanup_handler);
#endif
}
dispatch_io_set_high_water(io, READSIZE);
if (with_timer == 1) {
dispatch_io_set_low_water(io, READSIZE);
dispatch_io_set_interval(io, 2 * NSEC_PER_SEC,
DISPATCH_IO_STRICT_INTERVAL);
} else if (with_timer == 2) {
t = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0,
dispatch_get_global_queue(0,0));
dispatch_retain(io);
dispatch_source_set_event_handler(t, ^{
dispatch_io_close(io, DISPATCH_IO_STOP);
dispatch_source_cancel(t);
});
void
test_proc(pid_t bad_pid)
{
dispatch_source_t proc_s[PID_CNT], proc;
int res;
pid_t pid, monitor_pid;
event_cnt = 0;
// Creates a process and register multiple observers. Send a signal,
// exit the process, etc., and verify all observers were notified.
posix_spawnattr_t attr;
res = posix_spawnattr_init(&attr);
assert(res == 0);
#if HAVE_DECL_POSIX_SPAWN_START_SUSPENDED
res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED);
assert(res == 0);
#endif
char* args[] = {
"/bin/sleep", "2", NULL
};
res = posix_spawnp(&pid, args[0], NULL, &attr, args, NULL);
if (res < 0) {
perror(args[0]);
exit(127);
}
res = posix_spawnattr_destroy(&attr);
assert(res == 0);
dispatch_group_t group = dispatch_group_create();
assert(pid > 0);
monitor_pid = bad_pid ? bad_pid : pid; // rdar://problem/8090801
int i;
for (i = 0; i < PID_CNT; ++i) {
dispatch_group_enter(group);
proc = proc_s[i] = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC,
monitor_pid, DISPATCH_PROC_EXIT, dispatch_get_global_queue(0, 0));
test_ptr_notnull("dispatch_source_proc_create", proc);
dispatch_source_set_event_handler(proc, ^{
long flags = dispatch_source_get_data(proc);
test_long("DISPATCH_PROC_EXIT", flags, DISPATCH_PROC_EXIT);
event_cnt++;
dispatch_source_cancel(proc);
});
dispatch_source_set_cancel_handler(proc, ^{
dispatch_group_leave(group);
});
void dispatch_apply_fwrite(uint32_t* data) {
dispatch_queue_t queue =
dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_group_t group = dispatch_group_create();
for (int fi = 0; fi < kNumFiles; ++fi)
dispatch_group_enter(group); // There's no dispatch_group_apply().
dispatch_apply(kNumFiles, queue, ^(size_t fi) {
char buf[80];
sprintf(buf, "f%02d.out", (int)fi);
FILE* f = fopen(buf, "wb");
fwrite(data + fi * kIntChunkSize, 1, kChunkSize, f);
fclose(f);
dispatch_group_leave(group);
});
void
test_short_timer(void)
{
// Add a large number of timers with suspended target queue in front of
// the timer being measured <rdar://problem/7401353>
g = dispatch_group_create();
q = dispatch_queue_create("q", NULL);
int i;
for (i = 0; i < N; i++) {
t[i] = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, q);
dispatch_source_set_timer(t[i], DISPATCH_TIME_NOW, interval, 0);
dispatch_group_enter(g);
dispatch_source_set_registration_handler(t[i], ^{
dispatch_suspend(t[i]);
dispatch_group_leave(g);
});
dispatch_resume(t[i]);
}
static void
test_concat(void)
{
dispatch_group_enter(g);
dispatch_async(dispatch_get_main_queue(), ^{
char* buffer1 = "This is buffer1 ";
size_t size1 = 17;
char* buffer2 = "This is buffer2 ";
size_t size2 = 17;
__block bool buffer2_destroyed = false;
dispatch_data_t data1 = dispatch_data_create(buffer1, size1, NULL, NULL);
dispatch_data_t data2 = dispatch_data_create(buffer2, size2,
dispatch_get_main_queue(), ^{
buffer2_destroyed = true;
});
dispatch_data_t concat = dispatch_data_create_concat(data1, data2);
dispatch_release(data1);
dispatch_release(data2);
test_long("Data size of concatenated dispatch data",
dispatch_data_get_size(concat), 34);
const void* contig;
size_t contig_size;
dispatch_data_t contig_data =
dispatch_data_create_map(concat, &contig, &contig_size);
dispatch_release(concat);
dispatch_release(contig_data);
test_long("Contiguous memory size", contig_size, 34);
dispatch_async(dispatch_get_main_queue(), ^{
test_long("buffer2 destroyed", buffer2_destroyed, true);
dispatch_group_leave(g);
});
int
main(int argc, char** argv)
{
struct hostent *he;
int sockfd, clientfd;
struct sockaddr_in addr1, addr2, server;
socklen_t addr2len;
socklen_t addr1len;
pid_t clientid;
const char *path = "/usr/share/dict/words";
int read_fd, fd;
if (argc == 2) {
// Client
dispatch_test_start(NULL);
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
test_errno("Client-socket()", errno, 0);
test_stop();
}
if ((he = gethostbyname("localhost")) == NULL) {
fprintf(stderr, "Client-gethostbyname() failed\n");
test_stop();
}
memcpy(&server.sin_addr, he->h_addr_list[0], he->h_length);
server.sin_family = AF_INET;
server.sin_port = atoi(argv[1]);
fprintf(stderr, "Client-connecting on port ... %d\n", server.sin_port);
if (connect(sockfd, (struct sockaddr *)&server, sizeof(server))) {
test_errno("client-connect()", errno, 0);
test_stop();
}
// Read from the socket and compare the contents are what we expect
fd = open(path, O_RDONLY);
if (fd == -1) {
test_errno("client-open", errno, 0);
test_stop();
}
#ifdef F_NOCACHE
if (fcntl(fd, F_NOCACHE, 1)) {
test_errno("client-fcntl F_NOCACHE", errno, 0);
test_stop();
}
#else
// investigate what the impact of lack of file cache disabling has
// for this test
#endif
struct stat sb;
if (fstat(fd, &sb)) {
test_errno("client-fstat", errno, 0);
test_stop();
}
size_t size = sb.st_size;
__block dispatch_data_t g_d1 = dispatch_data_empty;
__block dispatch_data_t g_d2 = dispatch_data_empty;
__block int g_error = 0;
dispatch_group_t g = dispatch_group_create();
dispatch_group_enter(g);
dispatch_read(fd, size, dispatch_get_global_queue(0, 0),
^(dispatch_data_t d1, int error) {
test_errno("Client-dict-read error", error, 0);
test_long("Client-dict-dispatch data size",
dispatch_data_get_size(d1), size);
dispatch_retain(d1);
g_d1 = d1;
dispatch_group_leave(g);
});
