pthread_test.cpp revision a41ba2f0bfc4fce1ce8f06a9c289102c440c929d
16f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski/* 26f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * Copyright (C) 2012 The Android Open Source Project 36f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * 46f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * Licensed under the Apache License, Version 2.0 (the "License"); 56f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * you may not use this file except in compliance with the License. 66f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * You may obtain a copy of the License at 76f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * 86f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * http://www.apache.org/licenses/LICENSE-2.0 96f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * 106f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * Unless required by applicable law or agreed to in writing, software 116f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * distributed under the License is distributed on an "AS IS" BASIS, 126f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * See the License for the specific language governing permissions and 146f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski * limitations under the License. 156f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski */ 166f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 171ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski#include <gtest/gtest.h> 186f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 196f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski#include <errno.h> 201ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski#include <pthread.h> 211ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski#include <unistd.h> 22e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski 236f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam LesinskiTEST(pthread, pthread_key_create) { 246f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski pthread_key_t key; 256f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski ASSERT_EQ(0, pthread_key_create(&key, NULL)); 266f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski ASSERT_EQ(0, pthread_key_delete(key)); 276f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski // Can't delete a key that's already been deleted. 286f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski ASSERT_EQ(EINVAL, pthread_key_delete(key)); 296f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski} 306f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 31cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski#if !defined(__GLIBC__) // glibc uses keys internally that its sysconf value doesn't account for. 326f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam LesinskiTEST(pthread, pthread_key_create_lots) { 336f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski // We can allocate _SC_THREAD_KEYS_MAX keys. 346f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski std::vector<pthread_key_t> keys; 35e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski for (int i = 0; i < sysconf(_SC_THREAD_KEYS_MAX); ++i) { 36e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski pthread_key_t key; 37e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski // If this fails, it's likely that GLOBAL_INIT_THREAD_LOCAL_BUFFER_COUNT is wrong. 38cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski ASSERT_EQ(0, pthread_key_create(&key, NULL)) << i << " of " << sysconf(_SC_THREAD_KEYS_MAX); 396f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski keys.push_back(key); 406f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski } 41e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski 42e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski // ...and that really is the maximum. 43e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski pthread_key_t key; 44cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski ASSERT_EQ(EAGAIN, pthread_key_create(&key, NULL)); 456f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 466f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski // (Don't leak all those keys!) 47cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski for (size_t i = 0; i < keys.size(); ++i) { 486f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski ASSERT_EQ(0, pthread_key_delete(keys[i])); 496f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski } 50e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski} 51e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski#endif 52e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 53e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinskistatic void* IdFn(void* arg) { 54e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski return arg; 55cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski} 566f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 571ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinskistatic void* SleepFn(void* arg) { 586f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski sleep(reinterpret_cast<unsigned int>(arg)); 596f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski return NULL; 60cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski} 616f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 626f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinskistatic void* SpinFn(void* arg) { 636f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski volatile bool* b = reinterpret_cast<volatile bool*>(arg); 646f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski while (!*b) { 656f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski } 666f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski return NULL; 676f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski} 681ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski 69e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinskistatic void* JoinFn(void* arg) { 70e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski return reinterpret_cast<void*>(pthread_join(reinterpret_cast<pthread_t>(arg), NULL)); 71e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski} 72cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski 736f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinskistatic void AssertDetached(pthread_t t, bool is_detached) { 746f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski pthread_attr_t attr; 751ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski ASSERT_EQ(0, pthread_getattr_np(t, &attr)); 76e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski int detach_state; 77e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski ASSERT_EQ(0, pthread_attr_getdetachstate(&attr, &detach_state)); 78e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski pthread_attr_destroy(&attr); 79cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski ASSERT_EQ(is_detached, (detach_state == PTHREAD_CREATE_DETACHED)); 806f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski} 816f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 821ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinskistatic void MakeDeadThread(pthread_t& t) { 83e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski ASSERT_EQ(0, pthread_create(&t, NULL, IdFn, NULL)); 84e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski void* result; 85e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski ASSERT_EQ(0, pthread_join(t, &result)); 86cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski} 876f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 886f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam LesinskiTEST(pthread, pthread_create) { 891ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski void* expected_result = reinterpret_cast<void*>(123); 90e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski // Can we create a thread? 91e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski pthread_t t; 92e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski ASSERT_EQ(0, pthread_create(&t, NULL, IdFn, expected_result)); 93e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski // If we join, do we get the expected value back? 94e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski void* result; 95cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski ASSERT_EQ(0, pthread_join(t, &result)); 961ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski ASSERT_EQ(expected_result, result); 971ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski} 981ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski 991ab598f46c3ff520a67f9d80194847741f3467abAdam LesinskiTEST(pthread, pthread_create_EAGAIN) { 1001ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski pthread_attr_t attributes; 1011ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski ASSERT_EQ(0, pthread_attr_init(&attributes)); 1026f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski ASSERT_EQ(0, pthread_attr_setstacksize(&attributes, static_cast<size_t>(-1) & ~(getpagesize() - 1))); 1036f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 104cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski pthread_t t; 1056f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski ASSERT_EQ(EAGAIN, pthread_create(&t, &attributes, IdFn, NULL)); 1061ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski} 107e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski 108cc5609d8e484ec82ef1dced793af7f674f059b1cAdam LesinskiTEST(pthread, pthread_no_join_after_detach) { 1091ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski pthread_t t1; 1101ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski ASSERT_EQ(0, pthread_create(&t1, NULL, SleepFn, reinterpret_cast<void*>(5))); 1111ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski 1121ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski // After a pthread_detach... 1131ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski ASSERT_EQ(0, pthread_detach(t1)); 114e78fd617ec60139a973a01925fa7adad31febb39Adam Lesinski AssertDetached(t1, true); 115cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski 1161ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski // ...pthread_join should fail. 1171ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski void* result; 1181ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski ASSERT_EQ(EINVAL, pthread_join(t1, &result)); 1191ab598f46c3ff520a67f9d80194847741f3467abAdam Lesinski} 1206f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski 1216f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam LesinskiTEST(pthread, pthread_no_op_detach_after_join) { 122cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski bool done = false; 123e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 124e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski pthread_t t1; 125e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski ASSERT_EQ(0, pthread_create(&t1, NULL, SpinFn, &done)); 126e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 127e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski // If thread 2 is already waiting to join thread 1... 128e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski pthread_t t2; 129cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski ASSERT_EQ(0, pthread_create(&t2, NULL, JoinFn, reinterpret_cast<void*>(t1))); 130e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 131e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski sleep(1); // (Give t2 a chance to call pthread_join.) 132e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 133e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski // ...a call to pthread_detach on thread 1 will "succeed" (silently fail)... 134cc5609d8e484ec82ef1dced793af7f674f059b1cAdam Lesinski ASSERT_EQ(0, pthread_detach(t1)); 135e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski AssertDetached(t1, false); 136e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 137e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski done = true; 138e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 139e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski // ...but t2's join on t1 still goes ahead (which we can tell because our join on t2 finishes). 140e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski void* join_result; 141e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski ASSERT_EQ(0, pthread_join(t2, &join_result)); 142e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski ASSERT_EQ(0, reinterpret_cast<int>(join_result)); 143e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski} 144e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 145e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam LesinskiTEST(pthread, pthread_join_self) { 146e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski void* result; 147e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski ASSERT_EQ(EDEADLK, pthread_join(pthread_self(), &result)); 148e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski} 149e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 150e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski#if __BIONIC__ // For some reason, gtest on bionic can cope with this but gtest on glibc can't. 151e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinski 152e4bb9eb5af5b0899dc0921d5580220b20e15bd5aAdam Lesinskistatic void TestBug37410() { 1536f6ceb7e1456698b1f33e04536bfb3227f9fcfcbAdam Lesinski pthread_t t1; 154 ASSERT_EQ(0, pthread_create(&t1, NULL, JoinFn, reinterpret_cast<void*>(pthread_self()))); 155 pthread_exit(NULL); 156} 157 158// Even though this isn't really a death test, we have to say "DeathTest" here so gtest knows to 159// run this test (which exits normally) in its own process. 160TEST(pthread_DeathTest, pthread_bug_37410) { 161 // http://code.google.com/p/android/issues/detail?id=37410 162 ::testing::FLAGS_gtest_death_test_style = "threadsafe"; 163 ASSERT_EXIT(TestBug37410(), ::testing::ExitedWithCode(0), ""); 164} 165#endif 166 167static void* SignalHandlerFn(void* arg) { 168 sigset_t wait_set; 169 sigfillset(&wait_set); 170 return reinterpret_cast<void*>(sigwait(&wait_set, reinterpret_cast<int*>(arg))); 171} 172 173TEST(pthread, pthread_sigmask) { 174 // Block SIGUSR1. 175 sigset_t set; 176 sigemptyset(&set); 177 sigaddset(&set, SIGUSR1); 178 ASSERT_EQ(0, pthread_sigmask(SIG_BLOCK, &set, NULL)); 179 180 // Spawn a thread that calls sigwait and tells us what it received. 181 pthread_t signal_thread; 182 int received_signal = -1; 183 ASSERT_EQ(0, pthread_create(&signal_thread, NULL, SignalHandlerFn, &received_signal)); 184 185 // Send that thread SIGUSR1. 186 pthread_kill(signal_thread, SIGUSR1); 187 188 // See what it got. 189 void* join_result; 190 ASSERT_EQ(0, pthread_join(signal_thread, &join_result)); 191 ASSERT_EQ(SIGUSR1, received_signal); 192 ASSERT_EQ(0, reinterpret_cast<int>(join_result)); 193} 194 195#if __BIONIC__ 196extern "C" int __pthread_clone(void* (*fn)(void*), void* child_stack, int flags, void* arg); 197TEST(pthread, __pthread_clone) { 198 uintptr_t fake_child_stack[16]; 199 errno = 0; 200 ASSERT_EQ(-1, __pthread_clone(NULL, &fake_child_stack[0], CLONE_THREAD, NULL)); 201 ASSERT_EQ(EINVAL, errno); 202} 203#endif 204 205#if __BIONIC__ // Not all build servers have a new enough glibc? TODO: remove when they're on gprecise. 206TEST(pthread, pthread_setname_np__too_long) { 207 ASSERT_EQ(ERANGE, pthread_setname_np(pthread_self(), "this name is far too long for linux")); 208} 209#endif 210 211#if __BIONIC__ // Not all build servers have a new enough glibc? TODO: remove when they're on gprecise. 212TEST(pthread, pthread_setname_np__self) { 213 ASSERT_EQ(0, pthread_setname_np(pthread_self(), "short 1")); 214} 215#endif 216 217#if __BIONIC__ // Not all build servers have a new enough glibc? TODO: remove when they're on gprecise. 218TEST(pthread, pthread_setname_np__other) { 219 // Emulator kernels don't currently support setting the name of other threads. 220 char* filename = NULL; 221 asprintf(&filename, "/proc/self/task/%d/comm", gettid()); 222 struct stat sb; 223 bool has_comm = (stat(filename, &sb) != -1); 224 free(filename); 225 226 if (has_comm) { 227 pthread_t t1; 228 ASSERT_EQ(0, pthread_create(&t1, NULL, SleepFn, reinterpret_cast<void*>(5))); 229 ASSERT_EQ(0, pthread_setname_np(t1, "short 2")); 230 } else { 231 fprintf(stderr, "skipping test: this kernel doesn't have /proc/self/task/tid/comm files!\n"); 232 } 233} 234#endif 235 236#if __BIONIC__ // Not all build servers have a new enough glibc? TODO: remove when they're on gprecise. 237TEST(pthread, pthread_setname_np__no_such_thread) { 238 pthread_t dead_thread; 239 MakeDeadThread(dead_thread); 240 241 // Call pthread_setname_np after thread has already exited. 242 ASSERT_EQ(ESRCH, pthread_setname_np(dead_thread, "short 3")); 243} 244#endif 245 246TEST(pthread, pthread_kill__0) { 247 // Signal 0 just tests that the thread exists, so it's safe to call on ourselves. 248 ASSERT_EQ(0, pthread_kill(pthread_self(), 0)); 249} 250 251TEST(pthread, pthread_kill__invalid_signal) { 252 ASSERT_EQ(EINVAL, pthread_kill(pthread_self(), -1)); 253} 254 255static void pthread_kill__in_signal_handler_helper(int signal_number) { 256 static int count = 0; 257 ASSERT_EQ(SIGALRM, signal_number); 258 if (++count == 1) { 259 // Can we call pthread_kill from a signal handler? 260 ASSERT_EQ(0, pthread_kill(pthread_self(), SIGALRM)); 261 } 262} 263 264TEST(pthread, pthread_kill__in_signal_handler) { 265 struct sigaction action; 266 sigemptyset(&action.sa_mask); 267 action.sa_flags = 0; 268 action.sa_handler = pthread_kill__in_signal_handler_helper; 269 sigaction(SIGALRM, &action, NULL); 270 ASSERT_EQ(0, pthread_kill(pthread_self(), SIGALRM)); 271} 272 273TEST(pthread, pthread_detach__no_such_thread) { 274 pthread_t dead_thread; 275 MakeDeadThread(dead_thread); 276 277 ASSERT_EQ(ESRCH, pthread_detach(dead_thread)); 278} 279 280TEST(pthread, pthread_getcpuclockid__no_such_thread) { 281 pthread_t dead_thread; 282 MakeDeadThread(dead_thread); 283 284 clockid_t c; 285 ASSERT_EQ(ESRCH, pthread_getcpuclockid(dead_thread, &c)); 286} 287 288TEST(pthread, pthread_getschedparam__no_such_thread) { 289 pthread_t dead_thread; 290 MakeDeadThread(dead_thread); 291 292 int policy; 293 sched_param param; 294 ASSERT_EQ(ESRCH, pthread_getschedparam(dead_thread, &policy, ¶m)); 295} 296 297TEST(pthread, pthread_setschedparam__no_such_thread) { 298 pthread_t dead_thread; 299 MakeDeadThread(dead_thread); 300 301 int policy = 0; 302 sched_param param; 303 ASSERT_EQ(ESRCH, pthread_setschedparam(dead_thread, policy, ¶m)); 304} 305 306TEST(pthread, pthread_join__no_such_thread) { 307 pthread_t dead_thread; 308 MakeDeadThread(dead_thread); 309 310 void* result; 311 ASSERT_EQ(ESRCH, pthread_join(dead_thread, &result)); 312} 313 314TEST(pthread, pthread_kill__no_such_thread) { 315 pthread_t dead_thread; 316 MakeDeadThread(dead_thread); 317 318 ASSERT_EQ(ESRCH, pthread_kill(dead_thread, 0)); 319} 320