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  김영대(2003-03-17 02:01:16, Hit : 4848, 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;
}





42   [Unix/Linux] [Thread] pthread_muxtexcond() function  김영대 2003/03/17 5094 1383
41   [Unix/Linux] [Thread] pthread_rwlock_init() function  김영대 2003/03/17 4846 1241
40   [Unix/Linux] [Thread] pthread_rwlock_init() function  김영대 2003/03/17 5092 1312
39   [Unix/Linux] [Thread] pthread_self() function  김영대 2003/03/17 5148 1466
38   [Unix/Linux] [Thread] pthread_join() function  김영대 2003/03/17 4831 1223
37   [Unix/Linux] [Thread] pthread_mutex_unlock() function  김영대 2003/03/17 4579 1248
36   [Unix/Linux] [Thread] pthread_mutex_lock() function  김영대 2003/03/17 4677 1190
35   [Unix/Linux] [Thread] pthread_mutex_trylock() function  김영대 2003/03/17 4524 1048
34   [Unix/Linux] [Thread] pthread_mutexattr_destroy() function  김영대 2003/03/17 4490 1197
33   [Unix/Linux] [Thread] pthread_mutexattr_init() function  김영대 2003/03/17 5830 1580
32   [Unix/Linux] [Thread] pthread_mutex_init() function  김영대 2003/03/17 5375 1402
31   [Unix/Linux] [Thread] pthread_key_delete() function  김영대 2003/03/17 4464 1231
30   [Unix/Linux] [Thread] pthread_key_create() function  김영대 2003/03/17 5180 1362
29   [Unix/Linux] [Thread] pthread_setschedparam() function  김영대 2003/03/17 9869 1706
28   [Unix/Linux] [Thread] pthread_setcanceltype() function  김영대 2003/03/17 4568 1236
  [Unix/Linux] [Thread] pthread_setcancelstate() function  김영대 2003/03/17 4848 1305
26   [Unix/Linux] [Thread] pthread_once() function  김영대 2003/03/17 5688 1541
25   [Unix/Linux] [Thread] pthread_getschedparam() function  김영대 2003/03/17 4700 1349
24   [Unix/Linux] [Thread] pthread_exit() function  김영대 2003/03/17 4664 1327
23   [Unix/Linux] [Thread] pthread_equal() function  김영대 2003/03/17 4828 1371

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