bart | d45d995 | 2009-05-31 18:53:54 +0000 | [diff] [blame] | 1 | /* Test whether assigning names to threads works properly. */ |
| 2 | |
| 3 | |
| 4 | #include <pthread.h> |
| 5 | #include <stddef.h> |
| 6 | #include <stdio.h> |
| 7 | #include <string.h> |
| 8 | #include "../../drd/drd.h" |
| 9 | |
| 10 | |
| 11 | #define NUM_THREADS 10 |
| 12 | |
| 13 | |
| 14 | static pthread_mutex_t s_mutex; |
| 15 | static pthread_cond_t s_cond; |
| 16 | static int s_counter; |
| 17 | |
| 18 | static void* thread_func(void* argp) |
| 19 | { |
| 20 | const int thread_num = (ptrdiff_t)(argp); |
| 21 | pthread_mutex_t invalid_mutex; |
| 22 | char thread_name[32]; |
| 23 | |
| 24 | snprintf(thread_name, sizeof(thread_name), |
| 25 | "thread_func instance %d", thread_num + 1); |
| 26 | ANNOTATE_THREAD_NAME(thread_name); |
| 27 | |
| 28 | memset(&invalid_mutex, 0xff, sizeof(invalid_mutex)); |
| 29 | |
| 30 | pthread_mutex_lock(&s_mutex); |
| 31 | while (s_counter != thread_num) |
| 32 | pthread_cond_wait(&s_cond, &s_mutex); |
| 33 | fprintf(stderr, "\n%s\n\n", thread_name); |
| 34 | pthread_mutex_unlock(&invalid_mutex); |
| 35 | s_counter++; |
| 36 | pthread_cond_broadcast(&s_cond); |
| 37 | pthread_mutex_unlock(&s_mutex); |
| 38 | |
| 39 | return 0; |
| 40 | } |
| 41 | |
| 42 | |
| 43 | int main(int arg, char** argv) |
| 44 | { |
| 45 | int i; |
| 46 | pthread_t tid[NUM_THREADS]; |
| 47 | |
| 48 | pthread_mutex_init(&s_mutex, 0); |
| 49 | pthread_cond_init(&s_cond, 0); |
| 50 | |
| 51 | for (i = 0; i < NUM_THREADS; i++) |
| 52 | pthread_create(&tid[i], 0, thread_func, (void*)(ptrdiff_t)i); |
| 53 | |
| 54 | for (i = 0; i < NUM_THREADS; i++) |
| 55 | pthread_join(tid[i], 0); |
| 56 | |
| 57 | pthread_cond_destroy(&s_cond); |
| 58 | pthread_mutex_destroy(&s_mutex); |
| 59 | |
| 60 | return 0; |
| 61 | } |