prctl.2: ffix

[thirdparty/man-pages.git] / man2 / stime.2

.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
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.\" Modified by Michael Haardt <michael@moria.de>
.\" Modified 1993-07-24 by Rik Faith <faith@cs.unc.edu>
.\" Modified 2001-03-16 by Andries Brouwer <aeb@cwi.nl>
.\" Modified 2004-05-27 by Michael Kerrisk <mtk.manpages@gmail.com>
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.TH STIME 2 2016-03-15 "Linux" "Linux Programmer's Manual"
.SH NAME
stime \- set time
.SH SYNOPSIS
.B #include <time.h>
.PP
.BI "int stime(const time_t *" t );
.PP
.in -4n
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.in
.PP
.BR stime ():
    Since glibc 2.19:
        _DEFAULT_SOURCE
    Glibc 2.19 and earlier:
        _SVID_SOURCE
.SH DESCRIPTION
.BR stime ()
sets the system's idea of the time and date.
The time, pointed
to by \fIt\fP, is measured in seconds since the
Epoch, 1970-01-01 00:00:00 +0000 (UTC).
.BR stime ()
may be executed only by the superuser.
.SH RETURN VALUE
On success, zero is returned.
On error, \-1 is returned, and
.I errno
is set appropriately.
.SH ERRORS
.TP
.B EFAULT
Error in getting information from user space.
.TP
.B EPERM
The calling process has insufficient privilege.
Under Linux, the
.B CAP_SYS_TIME
privilege is required.
.SH CONFORMING TO
SVr4.
.SH SEE ALSO
.BR date (1),
.BR settimeofday (2),
.BR capabilities (7)