2598e9f2ce
Updated the full suite of manual pages for the procps_pids_* functions. The only one missing is procps_pids_get which may not be required.
71 lines
2.3 KiB
Groff
71 lines
2.3 KiB
Groff
.\" (C) Copyright 2017 Craig Small <csmall@enc.com.au>
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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_PIDS_reset 3 2017-01-05 "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_pids_reset \-
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Change what information is collected for a process
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.SH SYNOPSIS
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.B #include <proc/procps.h>
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.sp
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.BI "int procps_pids_reset(struct pids_info **" info ", enum pids_item *" items ", int " numitems ");"
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.sp
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Link with \fI\-lprocps\fP.
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.SH DESCRIPTION
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During the initial call to \fBprocps_pids_new\fR(3), the information structure
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is allocated and the information items are specified.
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\fBprocps_pids_reset\fR allows you to change what items for a process are collected
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without having to unreference and create a new \fIpids_info\fR structure.
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The changed PID information structure can then be used in subsequent calls to
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.BR procps_pids_get (3),
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.BR procps_pids_reap (3),
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.BR procps_pids_reset (3),
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.BR procps_pids_select (3),
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.BR procps_pids_sort (3)
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or even to further calls to \fBprocps_pids_reset\fR itself.
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The \fIitems\fR and \fInumitems\fR parameters are identical to the parameters
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used in \fBprocps_pids_new\fR.
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.SH RETURN VALUE
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The function returns 0 on success and one of negative values below
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on failure.
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.TP
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.B -EINVAL
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One of the given parameters is incorrect.
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.TP
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.B -ENOMEM
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Unable to allocate memory for the changed structure.
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.SH VERSIONS
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.B procps_pids_reset()
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first appeared in libproc-2 version 0.0.
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.SH SEE ALSO
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.BR libproc (3),
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.BR procps_pids_new (3),
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.BR procps_pids_reap (3),
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.BR procps_pids_select (3),
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.BR procps_pids_sort (3),
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.BR procps_pids_unref (3),
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.BR proc (5).
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