59 lines
2.1 KiB
Groff
59 lines
2.1 KiB
Groff
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.\" (C) Copyright 2016-2017 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_REAP 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_reap \- Harvest all the PIDS information structure.
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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 "struct pids_fetch * procps_pids_reap(struct pids_info *" info ", enum pids_fetch_type " which ");"
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.sp
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Link with \fI\-lprocps\fP.
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.SH DESCRIPTION
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\fBprocps_pids_reap()\fR is the function that will load the various
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files in the
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.BR proc (5)
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filesystem and fill the returned structure with the parsed values as
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well as a summary of the information gathered.
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The function is able to parse only processes or also include threads, the
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option \fIwhich\fR can be set to \fBPIDS_FETCH_TASKS_ONLY\fR or
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\fBPIDS_FETCH_THREADS_TOO\fR to determine what is collected.
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The info structure first needs to be initialised by
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.BR procps_pids_new (3).
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if \fBprocps_pids_reap()\fR returns successfully, a program can
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then iterate through a loop using the accessor methods described in
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.BR libproc (3).
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.SH RETURN VALUE
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\fBprocps_pids_reap()\fR returns a pointer to struct pids_fetch
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on success and NULL on failure.
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.SH VERSIONS
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\fBprocps_pids_reap()\fR 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_unref (3),
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.BR proc (5).
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