docs: Merge procps_uptime_* into procps_misc.3
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Craig Small
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@ -36,6 +36,12 @@ procps_misc \- API to system information in the /proc filesystem
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.BI "int procps_loadavg(double * " av1 ", double * " av5 ", double * " av15 ");"
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.B unsigned int procps_pid_length(void);
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.PP
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.B #include <proc/uptime.h>
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.PP
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.BI "int procps_uptime(double * " uptime_secs ", double * " idle_secs ");"
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.B char *procps_uptime_sprint(void);
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.B char *procps_uptime_sprint_short(void);
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.PP
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.B #include <proc/version.h>
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.PP
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.B int procps_linux_version(void);
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@ -95,6 +101,14 @@ version, use the following macro:
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.TP
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.BI LINUX_VERSION( major , minor , patch )
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.PP
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.BR procps_uptime ()
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returns the uptime and idle time of the system. Either the
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\fIuptime_secs\fR or \fIidle_secs\fR can be \fBNULL\fR in which case that
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variable will not be returned.
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The \fBsprint\fR variety of the functions return a human-readable
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string of the uptime and other statistics.
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.BR procps_ns_get_id ()
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finds the ID of the namespace for the given namespace name.
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@ -145,6 +159,27 @@ returns
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.BR procps_ns_read_pid ()
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Returns 0 on success and \fB\-EINVAL\fR on failure.
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.BR procps_uptime ()
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returns 0 on success. On failure, it
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returns a negative integer to one of the values defined below.
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.TP
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.B -ERANGE
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Unable to parse the uptime file.
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.PP
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.BR procps_uptime ()
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may also return any (negated) value that \fBfopen\fR() may set errno to.
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.BR procps_uptime_sprint_short ()
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return a string from a statically allocated buffer which displays uptime.
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.BR procps_uptime_sprint ()
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also displays users and load average in the buffer. The formats are the
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same as
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.BR uptime (1)
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with and without the
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.B \-p
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option.
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.SH FILES
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.TP
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.I /proc/loadavg
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@ -155,6 +190,10 @@ Contains the release version of the Linux kernel or proc filesystem.
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.TP
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.I /proc/sys/kernel/pid_max
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Contains the value at which PIDs wrap around, one greater than the maximum PID value.
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.TP
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.I /proc/uptime
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The raw values for uptime and idle time.
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.TP
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.IB /proc/ PID /ns
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contains the set of namespaces for a particular \fBPID\fR.
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@ -168,6 +207,7 @@ out, this function will break.
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.\" Maj/6yr - In 7452 we'll think of something
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.SH SEE ALSO
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.BR uptime (1),
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.BR fopen (3),
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.BR sysconf (3),
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.BR proc (5).
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@ -1,77 +0,0 @@
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.\" (C) Copyright 2016-2020 Craig Small <csmall@dropbear.xyz>
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.\"
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.\" %%%LICENSE_START(LGPL_2.1+)
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.\" This manual is free software; you can redistribute it and/or
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.\" modify it under the terms of the GNU Lesser General Public
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.\" License as published by the Free Software Foundation; either
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.\" version 2.1 of the License, or (at your option) any later version.
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.\"
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.\" This manual is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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.\" Lesser General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU Lesser General Public
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.\" License along with this library; if not, write to the Free Software
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.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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.\" %%%LICENSE_END
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.\"
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.TH PROCPS_UPTIME 3 2020-05-18 "libproc-2"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.SH NAME
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procps_uptime, procps_sprint, procps_uptime_sprint_short \-
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provide the uptime and idle time in seconds
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.SH SYNOPSIS
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.nf
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.B #include <proc/procps.h>
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.PP
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.BI "int procps_uptime(double * " uptime_secs ", double * " idle_secs ");"
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.B char *procps_uptime_sprint(void);
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.B char *procps_uptime_sprint_short(void);
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.sp
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Link with \fI\-lprocps\fP.
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.SH DESCRIPTION
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.BR procps_uptime ()
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returns the uptime and idle time of the system. Either the
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\fIuptime_secs\fR or \fIidle_secs\fR can be \fBNULL\fR in which case that
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variable will not be returned.
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The \fBsprint\fR variety of the functions return a human-readable
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string of the uptime and other statistics.
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.SH RETURN VALUE
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.BR procps_uptime ()
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returns 0 on success. On failure, it
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returns a negative integer to one of the values defined below.
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.TP
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.B -ERANGE
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Unable to parse the uptime file.
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.PP
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.BR procps_uptime ()
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may also return any (negated) value that \fBfopen\fR() may set errno to.
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.BR procps_uptime_sprint_short ()
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return a string from a statically allocated buffer which displays uptime.
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.BR procps_uptime_sprint ()
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also displays users and load average in the buffer. The formats are the
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same as
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.BR uptime (1)
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with and without the
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.B \-p
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option.
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.SH FILES
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.TP
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.I /proc/uptime
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The raw values for uptime and idle time.
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.SH VERSIONS
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.B procps_uptime()
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first appeared in libproc-2 version 0.0.
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.SH SEE ALSO
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.BR uptime (1),
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.BR fopen (3),
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.BR proc (5).
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@ -1 +0,0 @@
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.so man3/procps_uptime.3
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@ -1 +0,0 @@
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.so man3/procps_uptime.3
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