70f5b535e4
This API is intended for use by the caching framework to hold open an rpmdb for the previous commit.
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2015 Colin Walters <walters@verbum.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2 of the licence or (at
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* your option) any later version.
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*
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* This library 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
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include "rpmostree-refts.h"
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#include "rpmostree-rpm-util.h"
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/*
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* A wrapper for an `rpmts` that supports:
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*
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* - Reference counting
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* - Possibly holding a pointer to a tempdir, and cleaning it when unref'd
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*/
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RpmOstreeRefTs *
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rpmostree_refts_new (rpmts ts, int temp_base_dfd, const char *temp_path)
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{
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RpmOstreeRefTs *rts = g_new0 (RpmOstreeRefTs, 1);
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rts->ts = ts;
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rts->refcount = 1;
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rts->temp_base_dfd = temp_base_dfd;
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rts->temp_path = g_strdup (temp_path);
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return rts;
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}
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RpmOstreeRefTs *
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rpmostree_refts_ref (RpmOstreeRefTs *rts)
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{
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g_atomic_int_inc (&rts->refcount);
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return rts;
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}
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void
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rpmostree_refts_unref (RpmOstreeRefTs *rts)
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{
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if (!g_atomic_int_dec_and_test (&rts->refcount))
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return;
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rpmtsFree (rts->ts);
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if (rts->temp_path)
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(void) glnx_shutil_rm_rf_at (rts->temp_base_dfd, rts->temp_path, NULL, NULL);
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g_free (rts->temp_path);
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g_free (rts);
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}
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