sched_getparam

SYNOPSIS
       #include <sched.h>

       int sched_getparam(pid_t pid, struct sched_param *param);


DESCRIPTION
       The sched_getparam() function shall return the scheduling parameters of
       a process specified by pid in the sched_param structure pointed  to  by
       param.

       If  a  process  specified by pid exists, and if the calling process has
       permission, the scheduling parameters for the process whose process  ID
       is equal to pid shall be returned.

       If pid is zero, the scheduling parameters for the calling process shall
       be returned. The behavior of the sched_getparam() function is  unspeci-
       fied if the value of pid is negative.

RETURN VALUE
       Upon  successful completion, the sched_getparam() function shall return
       zero. If the call to sched_getparam()  is  unsuccessful,  the  function
       shall return a value of -1 and set errno to indicate the error.

ERRORS
       The sched_getparam() function shall fail if:

       EPERM  The  requesting  process  does not have permission to obtain the
              scheduling parameters of the specified process.

       ESRCH  No process can be found corresponding to that specified by pid.


       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       sched_getscheduler() , sched_setparam() ,  sched_setscheduler()  ,  the
       Base Definitions volume of IEEE Std 1003.1-2001, <sched.h>

COPYRIGHT
       Portions  of  this text are reprinted and reproduced in electronic form