sched_get_priority_max man page
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.
sched_get_priority_max, sched_get_priority_min — get priority limits (REALTIME)
#include <sched.h> int sched_get_priority_max(int policy); int sched_get_priority_min(int policy);
The sched_get_priority_max() and sched_get_priority_min() functions shall return the appropriate maximum or minimum, respectively, for the scheduling policy specified by policy.
The value of policy shall be one of the scheduling policy values defined in <sched.h>.
If successful, the sched_get_priority_max() and sched_get_priority_min() functions shall return the appropriate maximum or minimum values, respectively. If unsuccessful, they shall return a value of -1 and set errno to indicate the error.
The sched_get_priority_max() and sched_get_priority_min() functions shall fail if:
The value of the policy parameter does not represent a defined scheduling policy.
The following sections are informative.
sched_getparam(), sched_setparam(), sched_getscheduler(), sched_rr_get_interval(), sched_setscheduler()
The Base Definitions volume of POSIX.1-2008, <sched.h>
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 .
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getpriority(3p), sched.h(0p), sched_rr_get_interval(3p).