pthread_create—pthread_cancel—pthread_join



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  1. // gcc -lpthread server.c -o server
  2. // indent -npro -kr -i8 -ts8 -sob -l280 -ss -ncs -cp1 *
  3. #include <pthread.h>
  4. #include <stdio.h>
  5. #include <unistd.h>
  6. #include <poll.h>

  7. void *thread(void *arg)
  8. {
  9.     int i = 0;
  10.     do {
  11.         struct pollfd f;
  12.         f.fd = 0;
  13.         f.events = POLLPRI;
  14.         poll(&f, 1, 10);
  15.         i++;
  16.     } while (i < 100);
  17.     return NULL;
  18. }

  19. #define CNT 5

  20. int main()
  21. {
  22.     void *res;
  23.     int i;
  24.     pthread_t t[CNT];
  25.     do {
  26.         printf("New\n");
  27.         for (i = 0; i < CNT; i++)
  28.             pthread_create(&t[i], NULL, thread, 0);
  29.         printf("Stop\n");
  30.         for (i = 0; i < CNT; i++) {
  31.             pthread_cancel(t[i]);
  32.             pthread_join(t[i], &res);
  33.             pthread_create(&t[i], NULL, thread, 0);
  34.         }
  35.     } while (1);
  36.     return 0;
  37. }

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posted @ 2016-02-01 00:00  张同光  阅读(97)  评论(0编辑  收藏  举报