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  김영대(2003-03-17 01:52:40, Hit : 4999, Vote : 1330
 [Thread] pthread_create() 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;
}

typedef struct {

  int   value;
  char  string[128];
} thread_parm_t;

void *threadfunc(void *parm)
{

  thread_parm_t *p = (thread_parm_t *)parm;

  printf("%s, parm = %dn", p->string, p->value);
  free(p);
  return NULL;
}

int main(int argc, char **argv)
{

  pthread_t             thread;
  int                   rc=0;
  pthread_attr_t        pta;
  thread_parm_t        *parm=NULL;

  printf("Enter Testcase - %sn", argv[0]);
  printf("Create a thread attributes objectn");

  rc = pthread_attr_init(&pta);
  checkResults("pthread_attr_init()n", rc);

  /* Create 2 threads using default attributes in different ways */
  printf("Create thread using the NULL attributesn");
  /* Set up multiple parameters to pass to the thread */

  parm = malloc(sizeof(thread_parm_t));
  parm->value = 5;
  strcpy(parm->string, "Inside secondary thread");

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

  printf("Create thread using the default attributesn");

  /* Set up multiple parameters to pass to the thread */
  parm = malloc(sizeof(thread_parm_t));
  parm->value = 77;

  strcpy(parm->string, "Inside secondary thread");

  rc = pthread_create(&thread, &pta, threadfunc, (void *)parm);
  checkResults("pthread_create(&pta)n", rc);

  printf("Destroy thread attributes objectn");

  rc = pthread_attr_destroy(&pta);
  checkResults("pthread_attr_destroy()n", rc);

  /* sleep() isn't a very robust way to wait for the thread */
  sleep(5);

  printf("Main completedn");
  return 0;
}





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22   [Unix/Linux] [Thread] pthread_condattr_destroy() function  김영대 2003/03/17 4572 1333
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20   [Unix/Linux] [Thread] pthread_getschedparam() function  김영대 2003/03/17 4617 1328
19   [Unix/Linux] [Thread] 읽고/쓰기  김영대 2003/03/17 6172 1320
18   [Unix/Linux] [Thread] pthread_exit() function  김영대 2003/03/17 4589 1313
17   [Unix/Linux] [Thread] pthread_cond_wait() function  김영대 2003/03/17 4752 1309
16   [Unix/Linux] [System V IPC] semctl() function - 세마포어  김영대 2003/03/17 5426 1305
15   [Unix/Linux] [Thread] pthread_setcancelstate() function  김영대 2003/03/17 4780 1298
14   [Unix/Linux] [Thread] pthread_rwlock_init() function  김영대 2003/03/17 5007 1294
13   [Unix/Linux] [소스] top for SunOS 5.x (Solaris 2.x)  김영대 2004/02/20 11292 1237
12   [Unix/Linux] [Thread] pthread_mutex_unlock() function  김영대 2003/03/17 4502 1235
11   [Unix/Linux] [Thread] pthread_cond_destroy() function  김영대 2003/03/17 4590 1233
10   [Unix/Linux] [Thread] pthread_key_delete() function  김영대 2003/03/17 4391 1219
9   [Unix/Linux] [Thread] pthread_setcanceltype() function  김영대 2003/03/17 4469 1215
8   [Unix/Linux] [Thread] pthread_rwlock_init() function  김영대 2003/03/17 4733 1215
7   [Unix/Linux] [Thread] pthread_join() function  김영대 2003/03/17 4759 1213
6   [GRID] [강좌] Globus Toolkit 3.0.2 + SimpleCA 설치  김영대 2003/11/27 6974 1202
5   [Unix/Linux] [소스] top for System V Release 4, Intel or Sparc CPU  김영대 2004/02/20 9582 1199
4   [Unix/Linux] [Thread] pthread_mutexattr_destroy() function  김영대 2003/03/17 4421 1186

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