  615



pthread_mutexattr_getprioceiling,pthread_mutexattr_setprioceiling 
     prioceiling    -
 (REAL-TIME THREADS).



THR    ftinclude <pthread.h>



int pthread_mutexattr_getprioceiling (

const pthread_mutexattr_t *restrict attr,
int *restrict prioceiling);

int pthread_mutexattr_setprioceiling (

pthread_mutexattr_t *attr,
int prioceiling);



 pthread__mutexattr_getprioceiling()   pthread_mute-
xattr_setprioceiling ()      -
  prioceiling    ,  -
  attr,             
pthread_mutexattr_init().

 prioceiling     -
 .   prioceiling   -
 ,    , 
 SCHED_FIFO.

  prioceiling     ,  -
    ,  .  -
  ,     -
      ,   
 ,   .

 

    pthread_mutexattr_getprioceiling ()
 pthread_mutexattr_setprioceiling()   ;  -
    ,   .



 pthread_mutexattr_getprioceiling ()  pthread_mutexattr_setp-
rioceiling ()   , :

[EINVAL]   ,   attr,   prioceiling,
;

[EPERM]           

.
      [EINTR].