| 1 | // RUN: %clangxx -pthread %s -o %t |
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| 2 | // RUN: %env_tool_opts=detect_invalid_join=false %run %t 0 |
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| 3 | |
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| 4 | // FIXME: Crashes on some bots in pthread_exit. |
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| 5 | // RUN: %env_tool_opts=detect_invalid_join=false %run %t %if tsan %{ 0 %} %else %{ 1 %} |
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| 6 | |
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| 7 | // REQUIRES: glibc |
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| 8 | |
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| 9 | #include <assert.h> |
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| 10 | #include <ctime> |
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| 11 | #include <errno.h> |
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| 12 | #include <pthread.h> |
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| 13 | #include <stdint.h> |
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| 14 | #include <stdlib.h> |
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| 15 | #include <unistd.h> |
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| 16 | |
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| 17 | bool use_exit; |
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| 18 | static void *fn(void *args) { |
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| 19 | sleep(seconds: 1); |
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| 20 | auto ret = (void *)(~(uintptr_t)args); |
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| 21 | if (use_exit) |
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| 22 | pthread_exit(retval: ret); |
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| 23 | return ret; |
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| 24 | } |
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| 25 | |
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| 26 | int main(int argc, char **argv) { |
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| 27 | use_exit = atoi(nptr: argv[1]); |
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| 28 | bool check_invalid_join = !use_exit; |
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| 29 | pthread_t thread[5]; |
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| 30 | assert(!pthread_create(&thread[0], nullptr, fn, (void *)1000)); |
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| 31 | assert(!pthread_create(&thread[1], nullptr, fn, (void *)1001)); |
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| 32 | assert(!pthread_create(&thread[2], nullptr, fn, (void *)1002)); |
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| 33 | assert(!pthread_create(&thread[3], nullptr, fn, (void *)1003)); |
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| 34 | pthread_attr_t attr; |
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| 35 | assert(!pthread_attr_init(&attr)); |
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| 36 | assert(!pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED)); |
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| 37 | assert(!pthread_create(&thread[4], &attr, fn, (void *)1004)); |
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| 38 | assert(!pthread_attr_destroy(&attr)); |
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| 39 | |
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| 40 | assert(!pthread_detach(thread[0])); |
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| 41 | |
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| 42 | { |
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| 43 | void *res; |
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| 44 | while (pthread_tryjoin_np(th: thread[1], thread_return: &res)) |
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| 45 | sleep(seconds: 1); |
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| 46 | assert(~(uintptr_t)res == 1001); |
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| 47 | assert(check_invalid_join || |
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| 48 | (pthread_tryjoin_np(thread[1], &res) == EBUSY)); |
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| 49 | } |
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| 50 | |
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| 51 | { |
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| 52 | void *res; |
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| 53 | timespec tm = {.tv_sec: 0, .tv_nsec: 1}; |
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| 54 | while (pthread_timedjoin_np(th: thread[2], thread_return: &res, abstime: &tm)) |
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| 55 | sleep(seconds: 1); |
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| 56 | assert(~(uintptr_t)res == 1002); |
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| 57 | assert(check_invalid_join || |
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| 58 | (pthread_timedjoin_np(thread[2], &res, &tm) == ESRCH)); |
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| 59 | } |
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| 60 | |
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| 61 | { |
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| 62 | void *res; |
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| 63 | assert(!pthread_join(thread[3], &res)); |
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| 64 | assert(~(uintptr_t)res == 1003); |
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| 65 | assert(check_invalid_join || (pthread_join(thread[3], &res) == ESRCH)); |
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| 66 | } |
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| 67 | |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |
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