| 1 | #include <stdio.h> |
| 2 | #include <pthread.h> |
| 3 | #include <stdlib.h> |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/wait.h> |
| 6 | #include <unistd.h> |
| 7 | #include <stdio.h> |
| 8 | #include "urcu.h" |
| 9 | |
| 10 | #define NR_READ 10 |
| 11 | #define NR_WRITE 4 |
| 12 | |
| 13 | |
| 14 | void *thr_reader(void *arg) |
| 15 | { |
| 16 | printf("thread %s, thread id : %lu, pid %lu\n", |
| 17 | "reader", pthread_self(), getpid()); |
| 18 | sleep(2); |
| 19 | |
| 20 | urcu_register_thread(); |
| 21 | |
| 22 | |
| 23 | |
| 24 | urcu_unregister_thread(); |
| 25 | return ((void*)1); |
| 26 | |
| 27 | } |
| 28 | |
| 29 | void *thr_writer(void *arg) |
| 30 | { |
| 31 | int i; |
| 32 | |
| 33 | printf("thread %s, thread id : %lu, pid %lu\n", |
| 34 | "writer", pthread_self(), getpid()); |
| 35 | sleep(2); |
| 36 | |
| 37 | for (i = 0; i < 1000; i++) { |
| 38 | } |
| 39 | |
| 40 | return ((void*)2); |
| 41 | } |
| 42 | |
| 43 | int main() |
| 44 | { |
| 45 | int err; |
| 46 | pthread_t tid_reader[NR_READ], tid_writer[NR_WRITE]; |
| 47 | void *tret; |
| 48 | int i; |
| 49 | |
| 50 | for (i = 0; i < NR_READ; i++) { |
| 51 | err = pthread_create(&tid_reader[i], NULL, thr_reader, NULL); |
| 52 | if (err != 0) |
| 53 | exit(1); |
| 54 | } |
| 55 | for (i = 0; i < NR_WRITE; i++) { |
| 56 | err = pthread_create(&tid_writer[i], NULL, thr_writer, NULL); |
| 57 | if (err != 0) |
| 58 | exit(1); |
| 59 | } |
| 60 | |
| 61 | sleep(10); |
| 62 | |
| 63 | for (i = 0; i < NR_WRITE; i++) { |
| 64 | err = pthread_join(tid_reader[i], &tret); |
| 65 | if (err != 0) |
| 66 | exit(1); |
| 67 | } |
| 68 | for (i = 0; i < NR_WRITE; i++) { |
| 69 | err = pthread_join(tid_writer[i], &tret); |
| 70 | if (err != 0) |
| 71 | exit(1); |
| 72 | } |
| 73 | |
| 74 | return 0; |
| 75 | } |