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    Command:

    pthread_attr_setschedpolicy

    
    
    
    

    SYNOPSIS

           #include <pthread.h>
    
           int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);
           int pthread_attr_getschedpolicy(pthread_attr_t *attr, int *policy);
    
           Compile and link with -pthread.
    
    
    

    DESCRIPTION

           The pthread_attr_setschedpolicy() function sets the  scheduling  policy
           attribute  of  the  thread attributes object referred to by attr to the
           value specified in policy.  This attribute  determines  the  scheduling
           policy of a thread created using the thread attributes object attr.
    
           The   supported   values  for  policy  are  SCHED_FIFO,  SCHED_RR,  and
           SCHED_OTHER, with the semantics described in sched_setscheduler(2).
    
           The  pthread_attr_getschedpolicy()  returns   the   scheduling   policy
           attribute of the thread attributes object attr in the buffer pointed to
           by policy.
    
           In order for the policy setting made  by  pthread_attr_setschedpolicy()
           to  have  effect  when  calling  pthread_create(3), the caller must use
           pthread_attr_setinheritsched(3) to set the inherit-scheduler  attribute
           of the attributes object attr to PTHREAD_EXPLICIT_SCHED.
    
    
    

    RETURN VALUE

           On  success,  these functions return 0; on error, they return a nonzero
           error number.
    
    
    

    ERRORS

           pthread_attr_setschedpolicy() can fail with the following error:
    
           EINVAL Invalid value in policy.
    
           POSIX.1-2001 also documents an optional  ENOTSUP  error  ("attempt  was
           made   to   set   the   attribute   to   an   unsupported  value")  for
           pthread_attr_setschedpolicy().
    
    
    

    CONFORMING TO

           POSIX.1-2001.
    
    
    

    EXAMPLE

           See pthread_setschedparam(3).
    
    
    

    SEE ALSO

           sched_setscheduler(2), pthread_attr_init(3),
           pthread_attr_setinheritsched(3), pthread_attr_setschedparam(3),
           pthread_create(3), pthread_setschedparam(3), pthread_setschedprio(3),
           pthreads(7)
    
    
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