pthread_getattr_default_np(3)                         Library Functions Manual

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       pthread_getattr_default_np, pthread_setattr_default_np, -
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       #define _GNU_SOURCE             /* <?><?><?><?> feature_test_macros(7) */
       #include <pthread.h>

       int pthread_getattr_default_np(pthread_attr_t *attr);
       int pthread_setattr_default_np(const pthread_attr_t *attr);

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       +------------+------------------------------------+--------------------+
       |pthread_getattr_default_np(),|<?><?><?><?><?>    | MT-Safe            |
       |pthread_setattr_default_np()|<?><?><?><?><?><?>  |                    |
       +------------+------------------------------------+--------------------+
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       glibc 2.18.

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           $ ./a.out;
           Stack size:          8388608
           Guard size:          4096
           Scheduling policy:   SCHED_OTHER
           Scheduling priority: 0
           Detach state:        JOINABLE
           Inherit scheduler:   INHERIT

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       #define _GNU_SOURCE
       #include <err.h>
       #include <pthread.h>
       #include <sched.h>
       #include <stdio.h>
       #include <stdlib.h>

       static void
       display_pthread_attr(pthread_attr_t *attr)
       {
           int s;
           size_t stacksize;
           size_t guardsize;
           int policy;
           struct sched_param schedparam;
           int detachstate;
           int inheritsched;

           s = pthread_attr_getstacksize(attr, &stacksize);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_attr_getstacksize");
           printf("Stack size:          %zu\n", stacksize);

           s = pthread_attr_getguardsize(attr, &guardsize);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_attr_getguardsize");
           printf("Guard size:          %zu\n", guardsize);

           s = pthread_attr_getschedpolicy(attr, &policy);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_attr_getschedpolicy");
           printf("Scheduling policy:   %s\n",
                  (policy == SCHED_FIFO) ? "SCHED_FIFO" :
                  (policy == SCHED_RR) ? "SCHED_RR" :
                  (policy == SCHED_OTHER) ? "SCHED_OTHER" : "[unknown]");

           s = pthread_attr_getschedparam(attr, &schedparam);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_attr_getschedparam");
           printf("Scheduling priority: %d\n", schedparam.sched_priority);

           s = pthread_attr_getdetachstate(attr, &detachstate);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_attr_getdetachstate");
           printf("Detach state:        %s\n",
                  (detachstate == PTHREAD_CREATE_DETACHED) ? "DETACHED" :
                  (detachstate == PTHREAD_CREATE_JOINABLE) ? "JOINABLE" :
                  "???");

           s = pthread_attr_getinheritsched(attr, &inheritsched);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_attr_getinheritsched");
           printf("Inherit scheduler:   %s\n",
                  (inheritsched == PTHREAD_INHERIT_SCHED) ? "INHERIT" :
                  (inheritsched == PTHREAD_EXPLICIT_SCHED) ? "EXPLICIT" :
                  "???");
       }

       int
       main(void)
       {
           int s;
           pthread_attr_t attr;

           s = pthread_getattr_default_np(&attr);
           if (s != 0)
               errc(EXIT_FAILURE, s, "pthread_getattr_default_np");

           display_pthread_attr(&attr);

           exit(EXIT_SUCCESS);
       }

<?><?><?><?> <?><?><?><?><?>
       pthread_attr_getaffinity_np(3)<?> pthread_attr_getdetachstate(3)<?>
       pthread_attr_getguardsize(3)<?> pthread_attr_getinheritsched(3)<?>
       pthread_attr_getschedparam(3)<?> pthread_attr_getschedpolicy(3)<?>
       pthread_attr_getscope(3)<?> pthread_attr_getstack(3)<?>
       pthread_attr_getstackaddr(3)<?> pthread_attr_getstacksize(3)<?>
       pthread_attr_init(3)<?> pthread_create(3)<?> pthreads(7)

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       <?><?><?><?><?><?><?> <zayed.alsaidi@gmail.com>

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       <kde-l10n-ar@kde.org>.


<?><?><?><?><?> <?><?><?><?> <?><?><?><?><?> 6.18
                           8 <?><?><?><?><?><?> 2026
                                                 pthread_getattr_default_np(3)