#ifdef T_NAMESPACE
#undef T_NAMESPACE
#endif
#include <darwintest.h>
#include <darwintest_multiprocess.h>
#include <dispatch/dispatch.h>
#include <pthread.h>
#include <launch.h>
#include <mach/mach.h>
#include <mach/message.h>
#include <mach/mach_voucher.h>
#include <pthread/workqueue_private.h>
#include <voucher/ipc_pthread_priority_types.h>
#include <servers/bootstrap.h>
#include <stdlib.h>
#include <sys/event.h>
#include <unistd.h>
#include <crt_externs.h>
T_GLOBAL_META(T_META_NAMESPACE("xnu.kevent_qos"));
#define ARRAYLEN(arr) (sizeof(arr) / sizeof(arr[0]))
#define RECV_TIMEOUT_SECS (4)
#define SEND_TIMEOUT_SECS (6)
#define HELPER_TIMEOUT_SECS (15)
#define ENV_VAR_QOS (3)
static const char *qos_env[ENV_VAR_QOS] = {"XNU_TEST_QOS_BO", "XNU_TEST_QOS_QO", "XNU_TEST_QOS_AO"};
static const char *qos_name_env[ENV_VAR_QOS] = {"XNU_TEST_QOS_NAME_BO", "XNU_TEST_QOS_NAME_QO", "XNU_TEST_QOS_NAME_AO"};
#define ENV_VAR_FUNCTION (1)
static const char *wl_function_name = "XNU_TEST_WL_FUNCTION";
static qos_class_t g_expected_qos[ENV_VAR_QOS];
static const char *g_expected_qos_name[ENV_VAR_QOS];
#define ENV_QOS_BEFORE_OVERRIDE (0)
#define ENV_QOS_QUEUE_OVERRIDE (1)
#define ENV_QOS_AFTER_OVERRIDE (2)
#pragma mark pthread callbacks
static void
worker_cb(pthread_priority_t __unused priority)
{
T_FAIL("a worker thread was created");
}
static void
event_cb(void ** __unused events, int * __unused nevents)
{
T_FAIL("a kevent routine was called instead of workloop");
}
static void
workloop_cb_test_intransit(uint64_t *workloop_id __unused, void **eventslist __unused, int *events)
{
T_LOG("Workloop handler workloop_cb_test_intransit called. "
"Will wait for %d seconds to make sure client enqueues the sync msg \n",
2 * RECV_TIMEOUT_SECS);
sleep(2 * RECV_TIMEOUT_SECS);
if (geteuid() != 0) {
T_SKIP("kevent_qos test requires root privileges to run.");
}
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_AFTER_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_AFTER_OVERRIDE]);
T_END;
*events = 0;
}
static void
workloop_cb_test_sync_send(uint64_t *workloop_id __unused, void **eventslist __unused, int *events)
{
T_LOG("Workloop handler workloop_cb_test_sync_send called");
if (geteuid() != 0) {
T_SKIP("kevent_qos test requires root privileges to run.");
}
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_AFTER_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_AFTER_OVERRIDE]);
T_END;
*events = 0;
}
static void
workloop_cb_test_sync_send_and_enable(uint64_t *workloop_id, struct kevent_qos_s **eventslist, int *events)
{
int r;
T_LOG("Workloop handler workloop_cb_test_sync_send_and_enable called");
if (geteuid() != 0) {
T_SKIP("kevent_qos test requires root privileges to run.");
}
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_AFTER_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_AFTER_OVERRIDE]);
struct kevent_qos_s *kev = *eventslist;
kev->flags = EV_ADD | EV_ENABLE | EV_UDATA_SPECIFIC | EV_DISPATCH | EV_VANISHED;
struct kevent_qos_s kev_err[] = {{ 0 }};
r = kevent_id(*workloop_id, kev, 1, kev_err, 1, NULL,
NULL, KEVENT_FLAG_WORKLOOP | KEVENT_FLAG_ERROR_EVENTS | KEVENT_FLAG_DYNAMIC_KQ_MUST_EXIST);
T_QUIET; T_ASSERT_POSIX_SUCCESS(r, "kevent_id");
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_BEFORE_OVERRIDE]);
T_END;
*events = 0;
}
static int send_two_sync_handler_called = 0;
static void
workloop_cb_test_send_two_sync(uint64_t *workloop_id __unused, struct kevent_qos_s **eventslist, int *events)
{
T_LOG("Workloop handler workloop_cb_test_send_two_sync called for %d time", send_two_sync_handler_called + 1);
if (geteuid() != 0) {
T_SKIP("kevent_qos test requires root privileges to run.");
}
T_LOG("Number of events received is %d\n", *events);
if (send_two_sync_handler_called == 0) {
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_AFTER_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_AFTER_OVERRIDE]);
struct kevent_qos_s *kev = *eventslist;
kev->flags = EV_ADD | EV_ENABLE | EV_UDATA_SPECIFIC | EV_DISPATCH | EV_VANISHED;
kev->fflags = (MACH_RCV_MSG | MACH_RCV_LARGE | MACH_RCV_LARGE_IDENTITY |
MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_CTX) |
MACH_RCV_TRAILER_TYPE(MACH_MSG_TRAILER_FORMAT_0) |
MACH_RCV_VOUCHER);
*events = 1;
} else {
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_BEFORE_OVERRIDE]);
T_END;
*events = 0;
}
send_two_sync_handler_called++;
}
static boolean_t two_send_and_destroy_test_passed = FALSE;
static int two_send_and_destroy_handler = 0;
static void
workloop_cb_test_two_send_and_destroy(uint64_t *workloop_id __unused, struct kevent_qos_s **eventslist __unused, int *events)
{
T_LOG("Workloop handler workloop_cb_test_two_send_and_destroy called %d times", two_send_and_destroy_handler + 1);
if (geteuid() != 0) {
T_SKIP("kevent_qos test requires root privileges to run.");
}
if (two_send_and_destroy_handler == 0) {
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_AFTER_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_AFTER_OVERRIDE]);
sleep(2 * RECV_TIMEOUT_SECS);
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE],
"dispatch_source event handler QoS should be %s", g_expected_qos_name[ENV_QOS_BEFORE_OVERRIDE]);
two_send_and_destroy_test_passed = TRUE;
} else {
if (two_send_and_destroy_test_passed) {
T_END;
}
}
struct kevent_qos_s *kev = *eventslist;
kev->flags = EV_ADD | EV_ENABLE | EV_UDATA_SPECIFIC | EV_DISPATCH | EV_VANISHED;
kev->fflags = (MACH_RCV_MSG | MACH_RCV_LARGE | MACH_RCV_LARGE_IDENTITY |
MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_CTX) |
MACH_RCV_TRAILER_TYPE(MACH_MSG_TRAILER_FORMAT_0) |
MACH_RCV_VOUCHER);
*events = 1;
two_send_and_destroy_handler++;
T_LOG("Handler returning \n");
}
#pragma mark Mach receive
#define KEVENT_QOS_SERVICE_NAME "com.apple.xnu.test.kevent_qos"
static mach_port_t
get_server_port(void)
{
mach_port_t port;
kern_return_t kr = bootstrap_check_in(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "server bootstrap_check_in");
return port;
}
static void
env_set_qos(char **env, qos_class_t qos[], const char *qos_name[], const char *wl_function)
{
int i;
char *qos_str, *qos_name_str;
for (i = 0; i < ENV_VAR_QOS; i++) {
T_QUIET; T_ASSERT_POSIX_SUCCESS(asprintf(&qos_str, "%s=%d", qos_env[i] , qos[i]),
NULL);
T_QUIET; T_ASSERT_POSIX_SUCCESS(
asprintf(&qos_name_str, "%s=%s", qos_name_env[i], qos_name[i]), NULL);
env[2 * i] = qos_str;
env[2 * i + 1] = qos_name_str;
}
T_QUIET; T_ASSERT_POSIX_SUCCESS(asprintf(&env[2 * i], "%s=%s", wl_function_name, wl_function),
NULL);
env[2 * i + 1] = NULL;
}
static void
environ_get_qos(qos_class_t qos[], const char *qos_name[], const char **wl_function)
{
char *qos_str;
char *qos_end;
int i;
for (i = 0; i < ENV_VAR_QOS; i++) {
qos_str = getenv(qos_env[i]);
T_QUIET; T_ASSERT_NOTNULL(qos_str, "getenv(%s)", qos_env[i]);
unsigned long qos_l = strtoul(qos_str, &qos_end, 10);
T_QUIET; T_ASSERT_EQ(*qos_end, '\0', "getenv(%s) = '%s' should be an "
"integer", qos_env[i], qos_str);
T_QUIET; T_ASSERT_LT(qos_l, (unsigned long)100, "getenv(%s) = '%s' should "
"be less than 100", qos_env[i], qos_str);
qos[i] = (qos_class_t)qos_l;
qos_name[i] = getenv(qos_name_env[i]);
T_QUIET; T_ASSERT_NOTNULL(qos_name[i], "getenv(%s)", qos_name_env[i]);
}
*wl_function = getenv(wl_function_name);
T_QUIET; T_ASSERT_NOTNULL(*wl_function, "getenv(%s)", wl_function_name);
}
static mach_voucher_t
create_pthpriority_voucher(mach_msg_priority_t qos)
{
char voucher_buf[sizeof(mach_voucher_attr_recipe_data_t) + sizeof(ipc_pthread_priority_value_t)];
mach_voucher_t voucher = MACH_PORT_NULL;
kern_return_t ret;
ipc_pthread_priority_value_t ipc_pthread_priority_value =
(ipc_pthread_priority_value_t)qos;
mach_voucher_attr_raw_recipe_array_t recipes;
mach_voucher_attr_raw_recipe_size_t recipe_size = 0;
mach_voucher_attr_recipe_t recipe =
(mach_voucher_attr_recipe_t)&voucher_buf[recipe_size];
recipe->key = MACH_VOUCHER_ATTR_KEY_PTHPRIORITY;
recipe->command = MACH_VOUCHER_ATTR_PTHPRIORITY_CREATE;
recipe->previous_voucher = MACH_VOUCHER_NULL;
memcpy((char *)&recipe->content[0], &ipc_pthread_priority_value, sizeof(ipc_pthread_priority_value));
recipe->content_size = sizeof(ipc_pthread_priority_value_t);
recipe_size += sizeof(mach_voucher_attr_recipe_data_t) + recipe->content_size;
recipes = (mach_voucher_attr_raw_recipe_array_t)&voucher_buf[0];
ret = host_create_mach_voucher(mach_host_self(),
recipes,
recipe_size,
&voucher);
T_QUIET; T_ASSERT_MACH_SUCCESS(ret, "client host_create_mach_voucher");
return voucher;
}
static void
send(
mach_port_t send_port,
mach_port_t reply_port,
mach_port_t msg_port,
mach_msg_priority_t qos)
{
kern_return_t ret = 0;
struct {
mach_msg_header_t header;
mach_msg_body_t body;
mach_msg_port_descriptor_t port_descriptor;
} send_msg = {
.header =
{
.msgh_remote_port = send_port,
.msgh_local_port = reply_port,
.msgh_bits = MACH_MSGH_BITS_SET(MACH_MSG_TYPE_COPY_SEND,
reply_port ? MACH_MSG_TYPE_MAKE_SEND_ONCE : 0,
MACH_MSG_TYPE_MOVE_SEND,
MACH_MSGH_BITS_COMPLEX),
.msgh_id = 0x100,
.msgh_size = sizeof(send_msg),
.msgh_voucher_port = create_pthpriority_voucher(qos),
},
.body =
{
.msgh_descriptor_count = 1,
},
.port_descriptor =
{
.name = msg_port, .disposition = MACH_MSG_TYPE_MOVE_RECEIVE, .type = MACH_MSG_PORT_DESCRIPTOR,
},
};
if (msg_port == MACH_PORT_NULL) {
send_msg.body.msgh_descriptor_count = 0;
}
ret = mach_msg(&(send_msg.header),
MACH_SEND_MSG |
MACH_SEND_TIMEOUT |
MACH_SEND_OVERRIDE|
(reply_port ? MACH_SEND_SYNC_OVERRIDE : 0) ,
send_msg.header.msgh_size,
0,
MACH_PORT_NULL,
0,
0);
T_QUIET; T_ASSERT_MACH_SUCCESS(ret, "client mach_msg");
}
static void
receive(
mach_port_t rcv_port,
mach_port_t notify_port)
{
kern_return_t ret = 0;
struct {
mach_msg_header_t header;
mach_msg_body_t body;
mach_msg_port_descriptor_t port_descriptor;
} rcv_msg = {
.header =
{
.msgh_remote_port = MACH_PORT_NULL,
.msgh_local_port = rcv_port,
.msgh_size = sizeof(rcv_msg),
},
};
T_LOG("Client: Starting sync receive\n");
ret = mach_msg(&(rcv_msg.header),
MACH_RCV_MSG |
MACH_RCV_TIMEOUT |
MACH_RCV_SYNC_WAIT,
0,
rcv_msg.header.msgh_size,
rcv_port,
SEND_TIMEOUT_SECS * 1000,
notify_port);
if (!(ret == MACH_RCV_TIMED_OUT || ret == MACH_MSG_SUCCESS)) {
T_ASSERT_FAIL("Sync rcv failed \n");
}
}
T_HELPER_DECL(qos_get_special_reply_port,
"Test get_special_reply_port and it's corner cases.")
{
mach_port_t special_reply_port;
mach_port_t new_special_reply_port;
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
new_special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(new_special_reply_port , "get_thread_special_reply_port");
mach_port_destroy(mach_task_self(), special_reply_port);
mach_port_destroy(mach_task_self(), new_special_reply_port);
new_special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(new_special_reply_port , "get_thread_special_reply_port");
T_END;
}
T_HELPER_DECL(qos_client_send_to_intransit,
"Send synchronous messages to an intransit port")
{
mach_port_t qos_send_port;
mach_port_t msg_port;
mach_port_t special_reply_port;
kern_return_t kr = bootstrap_look_up(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &qos_send_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client bootstrap_look_up");
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
kr = mach_port_allocate(mach_task_self(),
MACH_PORT_RIGHT_RECEIVE,
&msg_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client mach_port_allocate");
kr = mach_port_insert_right(mach_task_self(),
msg_port,
msg_port,
MACH_MSG_TYPE_MAKE_SEND);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client mach_port_insert_right");
send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE], 0, 0));
sleep(SEND_TIMEOUT_SECS);
send(qos_send_port, MACH_PORT_NULL, msg_port,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE], 0, 0));
send(msg_port, special_reply_port, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], 0, 0));
T_LOG("Client done sending messages, now waiting for server to end the test");
sleep(2 * SEND_TIMEOUT_SECS);
T_ASSERT_FAIL("client timed out");
}
T_HELPER_DECL(qos_client_send_sync_and_enqueue_rcv,
"Send synchronous messages and enqueue the rcv right")
{
mach_port_t qos_send_port;
mach_port_t msg_port;
mach_port_t special_reply_port;
kern_return_t kr = bootstrap_look_up(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &qos_send_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client bootstrap_look_up");
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
kr = mach_port_allocate(mach_task_self(),
MACH_PORT_RIGHT_RECEIVE,
&msg_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client mach_port_allocate");
kr = mach_port_insert_right(mach_task_self(),
msg_port,
msg_port,
MACH_MSG_TYPE_MAKE_SEND);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client mach_port_insert_right");
send(msg_port, special_reply_port, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], 0, 0));
send(qos_send_port, MACH_PORT_NULL, msg_port,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE], 0, 0));
T_LOG("Client done sending messages, now waiting for server to end the test");
sleep(3 * SEND_TIMEOUT_SECS);
T_ASSERT_FAIL("client timed out");
}
static void
thread_create_at_qos(qos_class_t qos, void * (*function)(void *))
{
qos_class_t qos_thread;
pthread_t thread;
pthread_attr_t attr;
int ret;
ret = setpriority(PRIO_DARWIN_ROLE, 0, PRIO_DARWIN_ROLE_UI_FOCAL);
if (ret != 0) {
T_LOG("set priority failed\n");
}
pthread_attr_init(&attr);
pthread_attr_set_qos_class_np(&attr, qos, 0);
pthread_create(&thread, &attr, function, NULL);
T_LOG("pthread created\n");
pthread_get_qos_class_np(thread, &qos_thread, NULL);
T_EXPECT_EQ(qos_thread, (qos_class_t)qos, NULL);
}
static void *
qos_send_and_sync_rcv(void *arg __unused)
{
mach_port_t qos_send_port;
mach_port_t special_reply_port;
T_LOG("Client: from created thread\n");
T_EXPECT_EFFECTIVE_QOS_EQ(g_expected_qos[ENV_QOS_AFTER_OVERRIDE],
"pthread QoS should be %s", g_expected_qos_name[ENV_QOS_AFTER_OVERRIDE]);
kern_return_t kr = bootstrap_look_up(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &qos_send_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client bootstrap_look_up");
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_QUEUE_OVERRIDE], 0, 0));
send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_QUEUE_OVERRIDE], 0, 0));
sleep(SEND_TIMEOUT_SECS);
receive(special_reply_port, qos_send_port);
T_LOG("Client done doing sync rcv, now waiting for server to end the test");
sleep(SEND_TIMEOUT_SECS);
T_ASSERT_FAIL("client timed out");
return 0;
}
T_HELPER_DECL(qos_client_send_sync_and_sync_rcv,
"Send messages and syncronously wait for rcv")
{
thread_create_at_qos(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], qos_send_and_sync_rcv);
sleep(HELPER_TIMEOUT_SECS);
}
T_HELPER_DECL(qos_client_send_sync_msg,
"Send synchronous messages")
{
mach_port_t qos_send_port;
mach_port_t special_reply_port;
kern_return_t kr = bootstrap_look_up(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &qos_send_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client bootstrap_look_up");
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
send(qos_send_port, special_reply_port, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], 0, 0));
T_LOG("Client done sending messages, now waiting for server to end the test");
sleep(2 * SEND_TIMEOUT_SECS);
T_ASSERT_FAIL("client timed out");
}
T_HELPER_DECL(qos_client_send_two_sync_msg,
"Send two synchronous messages at different qos")
{
mach_port_t qos_send_port;
mach_port_t special_reply_port;
kern_return_t kr = bootstrap_look_up(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &qos_send_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client bootstrap_look_up");
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
send(qos_send_port, special_reply_port, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], 0, 0));
send(qos_send_port, special_reply_port, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_BEFORE_OVERRIDE], 0, 0));
T_LOG("Client done sending messages, now waiting for server to end the test");
sleep(SEND_TIMEOUT_SECS);
T_ASSERT_FAIL("client timed out");
}
T_HELPER_DECL(qos_client_send_two_msg_and_destroy,
"Send two messages with 2nd one as sync and then destory the special reply port")
{
mach_port_t qos_send_port;
mach_port_t special_reply_port;
kern_return_t kr = bootstrap_look_up(bootstrap_port,
KEVENT_QOS_SERVICE_NAME, &qos_send_port);
T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "client bootstrap_look_up");
special_reply_port = thread_get_special_reply_port();
T_QUIET; T_ASSERT_NOTNULL(special_reply_port , "get_thread_special_reply_port");
send(qos_send_port, MACH_PORT_NULL, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], 0, 0));
send(qos_send_port, special_reply_port, MACH_PORT_NULL,
(uint32_t)_pthread_qos_class_encode(g_expected_qos[ENV_QOS_AFTER_OVERRIDE], 0, 0));
T_LOG("Client done sending messages, waiting for destroy the special reply_port");
sleep(SEND_TIMEOUT_SECS);
mach_port_destroy(mach_task_self(), special_reply_port);
sleep(SEND_TIMEOUT_SECS);
T_ASSERT_FAIL("client timed out");
}
static void
run_client_server(const char *server_name, const char *client_name, qos_class_t qos[],
const char *qos_name[], const char *wl_function)
{
char *env[2 * ENV_VAR_QOS + ENV_VAR_FUNCTION + 1];
env_set_qos(env, qos, qos_name, wl_function);
for (int i = 0; i < ENV_VAR_QOS; i++) {
g_expected_qos[i] = qos[i];
g_expected_qos_name[i] = qos_name[i];
}
dt_helper_t helpers[] = {
dt_launchd_helper_env("com.apple.xnu.test.kevent_qos.plist",
server_name, env),
dt_fork_helper(client_name)
};
dt_run_helpers(helpers, 2, HELPER_TIMEOUT_SECS);
}
#pragma mark Mach receive - kevent_qos
static void
expect_kevent_id_recv(mach_port_t port, qos_class_t qos[], const char *qos_name[], const char *wl_function)
{
int r;
for (int i = 0; i < ENV_VAR_QOS; i++) {
g_expected_qos[i] = qos[i];
g_expected_qos_name[i] = qos_name[i];
}
if (strcmp(wl_function, "workloop_cb_test_intransit") == 0) {
T_QUIET; T_ASSERT_POSIX_ZERO(_pthread_workqueue_init_with_workloop(
worker_cb, event_cb,
(pthread_workqueue_function_workloop_t)workloop_cb_test_intransit, 0, 0), NULL);
} else if (strcmp(wl_function, "workloop_cb_test_sync_send") == 0) {
T_QUIET; T_ASSERT_POSIX_ZERO(_pthread_workqueue_init_with_workloop(
worker_cb, event_cb,
(pthread_workqueue_function_workloop_t)workloop_cb_test_sync_send, 0, 0), NULL);
} else if (strcmp(wl_function, "workloop_cb_test_sync_send_and_enable") == 0) {
T_QUIET; T_ASSERT_POSIX_ZERO(_pthread_workqueue_init_with_workloop(
worker_cb, event_cb,
(pthread_workqueue_function_workloop_t)workloop_cb_test_sync_send_and_enable, 0, 0), NULL);
} else if (strcmp(wl_function, "workloop_cb_test_send_two_sync") == 0) {
T_QUIET; T_ASSERT_POSIX_ZERO(_pthread_workqueue_init_with_workloop(
worker_cb, event_cb,
(pthread_workqueue_function_workloop_t)workloop_cb_test_send_two_sync, 0, 0), NULL);
} else if (strcmp(wl_function, "workloop_cb_test_two_send_and_destroy") == 0) {
T_QUIET; T_ASSERT_POSIX_ZERO(_pthread_workqueue_init_with_workloop(
worker_cb, event_cb,
(pthread_workqueue_function_workloop_t)workloop_cb_test_two_send_and_destroy, 0, 0), NULL);
} else {
T_ASSERT_FAIL("no workloop function specified \n");
}
struct kevent_qos_s kev[] = {{
.ident = port,
.filter = EVFILT_MACHPORT,
.flags = EV_ADD | EV_UDATA_SPECIFIC | EV_DISPATCH | EV_VANISHED,
.fflags = (MACH_RCV_MSG | MACH_RCV_LARGE | MACH_RCV_LARGE_IDENTITY |
MACH_RCV_TRAILER_ELEMENTS(MACH_RCV_TRAILER_CTX) |
MACH_RCV_TRAILER_TYPE(MACH_MSG_TRAILER_FORMAT_0) |
MACH_RCV_VOUCHER),
.data = 1,
.qos = (int32_t)_pthread_qos_class_encode(qos[ENV_QOS_QUEUE_OVERRIDE], 0, 0)
}};
struct kevent_qos_s kev_err[] = {{ 0 }};
r = kevent_id(25, kev, 1, kev_err, 1, NULL,
NULL, KEVENT_FLAG_WORKLOOP | KEVENT_FLAG_ERROR_EVENTS);
T_QUIET; T_ASSERT_POSIX_SUCCESS(r, "kevent_id");
T_QUIET; T_ASSERT_EQ(r, 0, "no errors returned from kevent_id");
sleep(HELPER_TIMEOUT_SECS);
}
T_HELPER_DECL(server_kevent_id,
"Reply with the QoS that a dispatch source event handler ran with")
{
qos_class_t qos[ENV_VAR_QOS];
const char *qos_name[ENV_VAR_QOS];
const char *wl_function;
environ_get_qos(qos, qos_name, &wl_function);
expect_kevent_id_recv(get_server_port(), qos, qos_name, wl_function);
sleep(HELPER_TIMEOUT_SECS);
T_ASSERT_FAIL("should receive a message within %d seconds",
RECV_TIMEOUT_SECS);
}
#define TEST_QOS(server_name, client_name, name, wl_function_name, qos_bo, qos_bo_name, qos_qo, qos_qo_name, qos_ao, qos_ao_name) \
T_DECL(server_kevent_id_##name, \
"Event delivery at " qos_ao_name " QoS using a kevent_id", \
T_META_ASROOT(YES)) \
{ \
qos_class_t qos_array[ENV_VAR_QOS] = {qos_bo, qos_qo, qos_ao}; \
const char *qos_name_array[ENV_VAR_QOS] = {qos_bo_name, qos_qo_name, qos_ao_name}; \
run_client_server(server_name, client_name, qos_array, qos_name_array, wl_function_name); \
}
TEST_QOS("server_kevent_id", "qos_get_special_reply_port", special_reply_port, "workloop_cb_test_intransit",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_DEFAULT, "default")
TEST_QOS("server_kevent_id", "qos_client_send_to_intransit", transit_IN, "workloop_cb_test_intransit",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INITIATED, "user initiated")
TEST_QOS("server_kevent_id", "qos_client_send_to_intransit", transit_UI, "workloop_cb_test_intransit",
QOS_CLASS_USER_INITIATED, "user initiated",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")
TEST_QOS("server_kevent_id", "qos_client_send_sync_and_enqueue_rcv", enqueue_IN, "workloop_cb_test_intransit",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INITIATED, "user initiated")
TEST_QOS("server_kevent_id", "qos_client_send_sync_and_enqueue_rcv", enqueue_UI, "workloop_cb_test_intransit",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")
TEST_QOS("server_kevent_id", "qos_client_send_sync_and_sync_rcv", rcv_IN, "workloop_cb_test_intransit",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INITIATED, "user initiated")
TEST_QOS("server_kevent_id", "qos_client_send_sync_and_sync_rcv", rcv_UI, "workloop_cb_test_intransit",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")
TEST_QOS("server_kevent_id", "qos_client_send_sync_msg", send_sync_IN, "workloop_cb_test_sync_send",
QOS_CLASS_DEFAULT, "default",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INITIATED, "user initiated")
TEST_QOS("server_kevent_id", "qos_client_send_sync_msg", send_sync_UI, "workloop_cb_test_sync_send",
QOS_CLASS_USER_INITIATED, "user initiated",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")
TEST_QOS("server_kevent_id", "qos_client_send_sync_msg", send_sync_UI_and_enable, "workloop_cb_test_sync_send_and_enable",
QOS_CLASS_USER_INITIATED, "user initiated",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")
TEST_QOS("server_kevent_id", "qos_client_send_two_sync_msg", send_two_sync_UI, "workloop_cb_test_send_two_sync",
QOS_CLASS_USER_INITIATED, "user initiated",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")
TEST_QOS("server_kevent_id", "qos_client_send_two_msg_and_destroy", send_two_UI_and_destroy, "workloop_cb_test_two_send_and_destroy",
QOS_CLASS_USER_INITIATED, "user initiated",
QOS_CLASS_MAINTENANCE, "maintenance",
QOS_CLASS_USER_INTERACTIVE, "user interactive")