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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "SCHED_GETSCHEDULER" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" sched_getscheduler 
+.SH NAME
+sched_getscheduler \- get scheduling policy (\fBREALTIME\fP)
+.SH SYNOPSIS
+.LP
+\fB#include <sched.h>
+.br
+.sp
+int sched_getscheduler(pid_t\fP \fIpid\fP\fB); \fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIsched_getscheduler\fP() function shall return the scheduling
+policy of the process specified by \fIpid\fP. If the value
+of \fIpid\fP is negative, the behavior of the \fIsched_getscheduler\fP()
+function is unspecified.
+.LP
+The values that can be returned by \fIsched_getscheduler\fP() are
+defined in the \fI<sched.h>\fP header.
+.LP
+If a process specified by \fIpid\fP exists, and if the calling process
+has permission, the scheduling policy shall be returned
+for the process whose process ID is equal to \fIpid\fP.
+.LP
+If \fIpid\fP is zero, the scheduling policy shall be returned for
+the calling process.
+.SH RETURN VALUE
+.LP
+Upon successful completion, the \fIsched_getscheduler\fP() function
+shall return the scheduling policy of the specified
+process. If unsuccessful, the function shall return -1 and set \fIerrno\fP
+to indicate the error.
+.SH ERRORS
+.LP
+The \fIsched_getscheduler\fP() function shall fail if:
+.TP 7
+.B EPERM
+The requesting process does not have permission to determine the scheduling
+policy of the specified process.
+.TP 7
+.B ESRCH
+No process can be found corresponding to that specified by \fIpid\fP.
+.sp
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIsched_getparam\fP() , \fIsched_setparam\fP() , \fIsched_setscheduler\fP()
+, the Base Definitions volume of IEEE\ Std\ 1003.1-2001, \fI<sched.h>\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 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 .