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+'\" et
+.TH SCHED_GETPARAM "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH PROLOG
+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.
+.\"
+.SH NAME
+sched_getparam
+\(em get scheduling parameters
+(\fBREALTIME\fP)
+.SH SYNOPSIS
+.LP
+.nf
+#include <sched.h>
+.P
+int sched_getparam(pid_t \fIpid\fP, struct sched_param *\fIparam\fP);
+.fi
+.SH DESCRIPTION
+The
+\fIsched_getparam\fR()
+function shall return the scheduling parameters of a process specified by
+.IR pid
+in the
+.BR sched_param
+structure pointed to by
+.IR param .
+.P
+If a process specified by
+.IR pid
+exists, and if the calling process has permission, the scheduling
+parameters for the process whose process ID is equal to
+.IR pid
+shall be returned.
+.P
+If
+.IR pid
+is zero, the scheduling parameters for the calling process shall be
+returned. The behavior of the
+\fIsched_getparam\fR()
+function is unspecified if the value of
+.IR pid
+is negative.
+.SH "RETURN VALUE"
+Upon successful completion, the
+\fIsched_getparam\fR()
+function shall return zero. If the call to
+\fIsched_getparam\fR()
+is unsuccessful, the function shall return a value of \-1 and set
+.IR errno
+to indicate the error.
+.SH ERRORS
+The
+\fIsched_getparam\fR()
+function shall fail if:
+.TP
+.BR EPERM
+The requesting process does not have permission to obtain the
+scheduling parameters of the specified process.
+.TP
+.BR ESRCH
+No process can be found corresponding to that specified by
+.IR pid .
+.LP
+.IR "The following sections are informative."
+.SH EXAMPLES
+None.
+.SH "APPLICATION USAGE"
+None.
+.SH RATIONALE
+None.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+.IR "\fIsched_getscheduler\fR\^(\|)",
+.IR "\fIsched_setparam\fR\^(\|)",
+.IR "\fIsched_setscheduler\fR\^(\|)"
+.P
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "\fB<sched.h>\fP"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group.
+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.opengroup.org/unix/online.html .
+.PP
+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 .