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  김영대(2003-03-17 02:01:16, Hit : 4856, Vote : 1305
 [Thread] pthread_setcancelstate() function

/***************************************************
*--------------------------------------------------
*   Creat  : 2001. 04. 10  (programed by Cori-Young )
*   Site: http://www.byoneself.co.kr
*   Update :
*--------------------------------------------------
*   Compile : cc -o xxx xxx.c -lpthread -lrt
*--------------------------------------------------
* Machine hardware:   sun4u
* OS version:         5.7
* Processor type:     sparc
* Hardware:           SUNW,Ultra-60
***************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include <stdio.h>

#define _MULTI_THREADED

static void checkResults(char *string, int rc) {

  if (rc) {
    printf("Error on : %s, rc=%d", string, rc);
    exit(EXIT_FAILURE);
  }
  return;
}

void *threadfunc(void *parm)
{

  int   i = 0;

  printf("Entered secondary threadn");
  pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);

  while (1) {

    printf("Secondary thread is loopingn");
    pthread_testcancel();
    sleep(1);

    if (++i == 5) {

      /* Since default cancel type is deferred, changing the state   */
      /* will allow the next cancelation point to cancel the thread */

      printf("Cancel state set to ENABLEn");

      pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
    }

  } /* infinite */

  return NULL;
}



int main(int argc, char **argv)
{
  pthread_t             thread;
  int                   rc=0;

  printf("Entering testcasen");

  /* Create a thread using default attributes */
  printf("Create thread using the NULL attributesn");

  rc = pthread_create(&thread, NULL, threadfunc, NULL);
  checkResults("pthread_create(NULL)n", rc);

  /* sleep() isn't a very robust way to wait for the thread */
  sleep(3);

  printf("Cancel the threadn");

  rc = pthread_cancel(thread);
  checkResults("pthread_cancel()n", rc);

  /* sleep() isn't a very robust way to wait for the thread */
  sleep(3);
  printf("Main completedn");
  return 0;
}





63   [Unix/Linux] [Thread] 생산자/소비자  김영대 2003/03/17 5573 1440
62   [Unix/Linux] [Thread] pthread_setschedparam() function  김영대 2003/03/17 9879 1706
61   [Unix/Linux] [Thread] pthread_setcanceltype() function  김영대 2003/03/17 4574 1236
  [Unix/Linux] [Thread] pthread_setcancelstate() function  김영대 2003/03/17 4856 1305
59   [Unix/Linux] [Thread] pthread_self() function  김영대 2003/03/17 5151 1466
58   [Unix/Linux] [Thread] pthread_rwlock_init() function  김영대 2003/03/17 5096 1312
57   [Unix/Linux] [Thread] pthread_rwlock_init() function  김영대 2003/03/17 4851 1243
56   [Unix/Linux] [Thread] pthread_once() function  김영대 2003/03/17 5692 1541
55   [Unix/Linux] [Thread] pthread_muxtexcond() function  김영대 2003/03/17 5104 1385
54   [Unix/Linux] [Thread] pthread_mutex_unlock() function  김영대 2003/03/17 4584 1248
53   [Unix/Linux] [Thread] pthread_mutex_trylock() function  김영대 2003/03/17 4529 1049
52   [Unix/Linux] [Thread] pthread_mutex_lock() function  김영대 2003/03/17 4682 1190
51   [Unix/Linux] [Thread] pthread_mutex_init() function  김영대 2003/03/17 5380 1402
50   [Unix/Linux] [Thread] pthread_mutexattr_init() function  김영대 2003/03/17 5835 1581
49   [Unix/Linux] [Thread] pthread_mutexattr_destroy() function  김영대 2003/03/17 4493 1197
48   [Unix/Linux] [Thread] pthread_key_delete() function  김영대 2003/03/17 4469 1231
47   [Unix/Linux] [Thread] pthread_key_create() function  김영대 2003/03/17 5185 1363
46   [Unix/Linux] [Thread] pthread_join() function  김영대 2003/03/17 4836 1224
45   [Unix/Linux] [Thread] pthread_getschedparam() function  김영대 2003/03/17 4705 1351
44   [Unix/Linux] [Thread] pthread_exit() function  김영대 2003/03/17 4668 1328

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