Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | /* test that the header doesn't implicitly depend on others */ #include <sys/work_interval.h> #include <stdlib.h> #include <stdio.h> #include <unistd.h> #include <errno.h> #include <err.h> #include <string.h> #include <pthread.h> #include <mach/mach.h> #include <darwintest.h> T_GLOBAL_META(T_META_NAMESPACE("xnu.scheduler"), T_META_RUN_CONCURRENTLY(true), T_META_TAG_VM_PREFERRED); static mach_port_t port = MACH_PORT_NULL; static void * joining_thread_fn(__unused void *arg) { int ret = 0; kern_return_t kr = KERN_SUCCESS; ret = work_interval_join_port(port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_join_port, another thread"); kr = mach_port_deallocate(mach_task_self(), port); T_ASSERT_MACH_SUCCESS(kr, "mach_port_deallocate of port, another thread"); /* deliberately exit with joined work interval */ return NULL; } T_DECL(work_interval, "work interval interface") { int ret = 0; work_interval_t handle = NULL; uint64_t now = mach_absolute_time(); kern_return_t kr = KERN_SUCCESS; ret = work_interval_create(NULL, 0); T_ASSERT_EQ(errno, EINVAL, "create with null errno EINVAL"); T_ASSERT_EQ(ret, -1, "create with null returns -1"); /* Binary must be entitled for this to succeed */ ret = work_interval_create(&handle, 0); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_create, no flags"); ret = work_interval_copy_port(handle, &port); T_ASSERT_EQ(errno, EINVAL, "work_interval_copy_port on non-joinable interval errno EINVAL"); T_ASSERT_EQ(ret, -1, "work_interval_copy_port on non-joinable interval returns -1"); ret = work_interval_notify(handle, now - 1000, now, now + 1000, now + 2000, 0); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_notify, no flags"); ret = work_interval_destroy(handle); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_destroy, no flags"); uint32_t flags[] = { WORK_INTERVAL_FLAG_JOINABLE, WORK_INTERVAL_FLAG_JOINABLE | WORK_INTERVAL_FLAG_GROUP, }; for (uint32_t i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) { ret = work_interval_create(&handle, flags[i]); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_create, joinable"); ret = work_interval_copy_port(handle, &port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_copy_port, joinable"); ret = work_interval_notify(handle, now - 1000, now, now + 1000, now + 2000, 0); T_ASSERT_EQ(ret, -1, "work_interval_notify on non-joined thread returns -1"); T_ASSERT_EQ(errno, EINVAL, "work_interval_copy_port on non-joined thread errno EINVAL"); ret = work_interval_join_port(port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_join_port, joinable"); ret = work_interval_notify(handle, now - 1000, now, now + 1000, now + 2000, 0); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_notify, on joined thread"); ret = work_interval_join_port(port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_join_port, join the same interval after destroy"); kr = mach_port_deallocate(mach_task_self(), port); T_ASSERT_MACH_SUCCESS(kr, "mach_port_deallocate of port"); ret = work_interval_notify(handle, now - 1000, now, now + 1000, now + 2000, 0); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_notify, on joined thread after destroy"); ret = work_interval_destroy(handle); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_destroy, joinable, on joined thread"); ret = work_interval_leave(); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_leave, on destroyed work interval"); } ret = work_interval_create(&handle, WORK_INTERVAL_FLAG_JOINABLE | WORK_INTERVAL_FLAG_GROUP); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_create, joinable"); ret = work_interval_copy_port(handle, &port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_copy_port, joinable"); ret = work_interval_join_port(port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_join_port, join before handing to another thread"); pthread_t joining_thread; T_ASSERT_POSIX_ZERO(pthread_create(&joining_thread, NULL, joining_thread_fn, NULL), "pthread_create"); T_ASSERT_POSIX_ZERO(pthread_join(joining_thread, NULL), "pthread_join"); ret = work_interval_leave(); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_leave"); ret = work_interval_destroy(handle); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_destroy"); } static mach_timebase_info_data_t timebase_info; static uint64_t nanos_to_abs(uint64_t nanos) { mach_timebase_info(&timebase_info); return nanos * timebase_info.denom / timebase_info.numer; } static void set_realtime(pthread_t thread) { kern_return_t kr; thread_time_constraint_policy_data_t pol; mach_port_t target_thread = pthread_mach_thread_np(thread); T_ASSERT_NOTNULL(target_thread, "pthread_mach_thread_np"); /* 1s 100ms 10ms */ pol.period = (uint32_t)nanos_to_abs(1000000000); pol.constraint = (uint32_t)nanos_to_abs(100000000); pol.computation = (uint32_t)nanos_to_abs(10000000); pol.preemptible = 0; /* Ignored by OS */ kr = thread_policy_set(target_thread, THREAD_TIME_CONSTRAINT_POLICY, (thread_policy_t) &pol, THREAD_TIME_CONSTRAINT_POLICY_COUNT); T_ASSERT_MACH_SUCCESS(kr, "thread_policy_set(THREAD_TIME_CONSTRAINT_POLICY)"); } static void set_nonrealtime(pthread_t thread) { kern_return_t kr; thread_standard_policy_data_t pol = {0}; mach_port_t target_thread = pthread_mach_thread_np(thread); T_ASSERT_NOTNULL(target_thread, "pthread_mach_thread_np"); kr = thread_policy_set(target_thread, THREAD_STANDARD_POLICY, (thread_policy_t) &pol, THREAD_STANDARD_POLICY_COUNT); T_ASSERT_MACH_SUCCESS(kr, "thread_policy_set(THREAD_STANDARD_POLICY)"); } T_DECL(work_interval_audio_realtime_only, "joining RT threads to audio work interval", T_META_ASROOT(YES)) { int ret = 0; work_interval_t handle = NULL; kern_return_t kr = KERN_SUCCESS; uint32_t flags = WORK_INTERVAL_FLAG_GROUP | WORK_INTERVAL_FLAG_JOINABLE | WORK_INTERVAL_TYPE_COREAUDIO; ret = work_interval_create(&handle, flags); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_create, joinable"); ret = work_interval_copy_port(handle, &port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_copy_port, joinable"); ret = work_interval_join_port(port); T_EXPECT_POSIX_FAILURE(ret, EINVAL, "work_interval_join_port for audio on non-RT thread"); set_realtime(pthread_self()); ret = work_interval_join_port(port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_join_port for audio on RT thread"); ret = work_interval_leave(); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_leave"); ret = work_interval_destroy(handle); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_destroy"); kr = mach_port_deallocate(mach_task_self(), port); T_ASSERT_MACH_SUCCESS(kr, "mach_port_deallocate of port"); set_nonrealtime(pthread_self()); } T_DECL(work_interval_get_flags, "querying a port for create flags") { int ret = 0; work_interval_t handle = NULL; uint32_t flags = WORK_INTERVAL_FLAG_JOINABLE | WORK_INTERVAL_FLAG_GROUP | WORK_INTERVAL_TYPE_COREAUDIO; ret = work_interval_create(&handle, flags); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_create(AUDIO)"); ret = work_interval_copy_port(handle, &port); T_ASSERT_POSIX_SUCCESS(ret, "work_interval_copy_port"); T_ASSERT_TRUE(MACH_PORT_VALID(port), "port from copy port is a valid port"); uint32_t expected_flags = 0; ret = work_interval_get_flags_from_port(port, &expected_flags); T_ASSERT_EQ(ret, 0, "work_interval_get_flags_from_port"); T_ASSERT_EQ(expected_flags, flags, "Flags match with what work interval was created with"); mach_port_mod_refs(mach_task_self(), port, MACH_PORT_RIGHT_SEND, -1); work_interval_destroy(handle); // Negative test mach_port_t fake_port = MACH_PORT_NULL; ret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &fake_port); T_ASSERT_EQ(ret, 0, "successfully allocated a port"); T_ASSERT_TRUE(MACH_PORT_VALID(fake_port), "allocated port is valid"); ret = mach_port_insert_right(mach_task_self(), fake_port, fake_port, MACH_MSG_TYPE_MAKE_SEND); T_ASSERT_EQ(ret, 0, "successfully inserted a send right"); ret = work_interval_get_flags_from_port(fake_port, &expected_flags); T_ASSERT_EQ(ret, -1, "query port failed as expected"); mach_port_mod_refs(mach_task_self(), fake_port, MACH_PORT_RIGHT_SEND, -1); mach_port_mod_refs(mach_task_self(), fake_port, MACH_PORT_RIGHT_RECEIVE, -1); } |