PROLOG | NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLES | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT

SCHED_GETPARAM(3P)        POSIX Programmer's Manual       SCHED_GETPARAM(3P)

PROLOG         top

       This manual page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the
       corresponding Linux manual page for details of Linux behavior), or
       the interface may not be implemented on Linux.

NAME         top

       sched_getparam — get scheduling parameters (REALTIME)

SYNOPSIS         top

       #include <sched.h>

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

DESCRIPTION         top

       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
       unspecified if the value of pid is negative.

RETURN VALUE         top

       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         top

       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         top

       None.

APPLICATION USAGE         top

       None.

RATIONALE         top

       None.

FUTURE DIRECTIONS         top

       None.

SEE ALSO         top

       sched_getscheduler(3p), sched_setparam(3p), sched_setscheduler(3p)

       The Base Definitions volume of POSIX.1‐2008, sched.h(0p)

COPYRIGHT         top

       Portions of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information
       Technology -- Portable Operating System Interface (POSIX), The Open
       Group Base Specifications Issue 7, Copyright (C) 2013 by the
       Institute of Electrical and Electronics Engineers, Inc and The Open
       Group.  (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1
       applied.) In the event of any discrepancy between this version and
       the original IEEE and The Open Group Standard, the original IEEE and
       The Open Group Standard is the referee document. The original
       Standard can be obtained online at http://www.unix.org/online.html .

       Any typographical or formatting errors that appear in this page are
       most likely to have been introduced during the conversion of the
       source files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group                 2013                  SCHED_GETPARAM(3P)