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view parallel_processing/ppb_first_thread/ppb_first_thread.cc @ 6:7b0b23f3538d
first pthread programming
author | Masataka Kohagura <e085726@ie.u-ryukyu.ac.jp> |
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date | Thu, 02 Jan 2014 16:57:28 +0900 |
parents | 4b742b1fedb8 |
children | edf4445da580 |
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#include <stdio.h> #include <pthread.h> #define THREAD_NUM 2 #define DATA_NUM 10 typedef struct _thread_arg { int thread_no; int *data; } thread_arg_t; void * thread_func(void *arg) { thread_arg_t *targ = (thread_arg_t *)arg; for (int i = 0; i < DATA_NUM; i++) { printf("thread%d : %d + 1 = %d\n", targ->thread_no, targ->data[i], targ->data[i] + 1); } return 0; } int main() { pthread_t handle[THREAD_NUM]; thread_arg_t targ[THREAD_NUM]; int data[DATA_NUM]; int i; for (i = 0; i < DATA_NUM; i++) data[i] = i; for (i = 0; i < THREAD_NUM; i++) { targ[i].thread_no = i; targ[i].data = data; pthread_create(&handle[i], NULL, &thread_func, (void*)&targ[i]); } for (i = 0; i < THREAD_NUM; i++) pthread_join(handle[i], NULL); return 0; }