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Full Discussion: Problem with pthread_delay_np
Top Forums Programming Problem with pthread_delay_np Post 302433932 by vijay_manpage on Thursday 1st of July 2010 02:06:52 AM
Old 07-01-2010
I did that too..,
My code,

Code:
#include<stdio.h>
#include<pthread.h>
#include<time.h>
#include<sched.h>
struct timespec ob={0,0};
void *f1()
{
 // struct timespec ob={0,0};
  printf("Thread 1 started\n");
  ob.tv_sec=5;
  ob.tv_nsec=5000000000;
  printf("i will be waiting\n");
  pthread_delay_np(&ob);
  return NULL;
}
void *f2()
{
  printf("Thread 2 started\n");
  printf("I am exiting\n");
  return NULL;
}
int main()
{
  pthread_t t1,t2;
  pthread_create(&t1,NULL,f1,NULL);
  pthread_create(&t2,NULL,f2,NULL);
  pthread_join(t1,NULL);
  pthread_join(t2,NULL);
}
 
 
vchanda@cg7:~/assess6$ cc -lpthread demo.c
/tmp/ccuEthUa.o: In function `f1':
demo.c:(.text+0x42): undefined reference to `pthread_delay_np'
collect2: ld returned 1 exit status

Last edited by Scott; 07-01-2010 at 06:46 AM.. Reason: Code tags, please...
 

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LEARN ABOUT DEBIAN

pthread

pthread.h(3HEAD)                                                      Headers                                                     pthread.h(3HEAD)

NAME

       pthread.h, pthread - threads

SYNOPSIS

       #include <pthread.h>

DESCRIPTION

       The <pthread.h> header defines the following symbols:

       PTHREAD_BARRIER_SERIAL_THREAD
       PTHREAD_CANCEL_ASYNCHRONOUS
       PTHREAD_CANCEL_ENABLE
       PTHREAD_CANCEL_DEFERRED
       PTHREAD_CANCEL_DISABLE
       PTHREAD_CANCELED
       PTHREAD_COND_INITIALIZER
       PTHREAD_CREATE_DETACHED
       PTHREAD_CREATE_JOINABLE
       PTHREAD_EXPLICIT_SCHED
       PTHREAD_INHERIT_SCHED
       PTHREAD_MUTEX_DEFAULT
       PTHREAD_MUTEX_ERRORCHECK
       PTHREAD_MUTEX_INITIALIZER
       PTHREAD_MUTEX_NORMAL
       PTHREAD_MUTEX_RECURSIVE
       PTHREAD_ONCE_INIT
       PTHREAD_PRIO_INHERIT
       PTHREAD_PRIO_NONE
       PTHREAD_PRIO_PROTECT
       PTHREAD_PROCESS_SHARED
       PTHREAD_PROCESS_PRIVATE
       PTHREAD_SCOPE_PROCESS
       PTHREAD_SCOPE_SYSTEM

       The types listed below are defined as described in <sys/types.h>. See types.h(3HEAD).

       pthread_attr_t
       pthread_barrier_t
       pthread_barrierattr_t
       pthread_cond_t
       pthread_condattr_t
       pthread_key_t
       pthread_mutex_t
       pthread_mutexattr_t
       pthread_once_t
       pthread_rwlock_t
       pthread_rwlockattr_t
       pthread_spinlock_t
       pthread_t

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Standard                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       sched.h(3HEAD),    time.h(3HEAD),    types.h(3HEAD),   pthread_attr_getguardsize(3C),   pthread_attr_init(3C),   pthread_attr_setscope(3C),
       pthread_cancel(3C),   pthread_cleanup_pop(3C),   pthread_cond_init(3C),   pthread_cond_signal(3C),   pthread_cond_wait(3C),    pthread_con-
       dattr_init(3C),  pthread_create(3C), pthread_detach(3C), pthread_equal(3C), pthread_exit(3C), pthread_getconcurrency(3C), pthread_getsched-
       param(3C),    pthread_join(3C),    pthread_key_create(3C),    pthread_key_delete(3C),    pthread_mutex_init(3C),    pthread_mutex_lock(3C),
       pthread_mutex_setprioceiling(3C),   pthread_mutexattr_init(3C),   pthread_mutexattr_init(3C),   pthread_mutexattr_init(3C),  pthread_mutex-
       attr_gettype(3C),     pthread_mutexattr_getprotocol(3C),     pthread_once(3C),     pthread_rwlock_init(3C),      pthread_rwlock_rdlock(3C),
       pthread_rwlock_unlock(3C),  pthread_rwlock_wrlock(3C),  pthread_rwlockattr_getpshared(3C),  pthread_rwlockattr_init(3C),  pthread_self(3C),
       pthread_setcancelstate(3C), pthread_setspecific(3C), attributes(5), standards(5)

SunOS 5.10                                                          9 Sep 2004                                                    pthread.h(3HEAD)
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