102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* gcal-thread-utils.c
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*
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* Copyright 2019 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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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 General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "gcal-thread-utils.h"
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/* Code kindly provided by Milan Crha */
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typedef struct {
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EThreadJobFunc func;
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gpointer user_data;
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GDestroyNotify free_user_data;
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GCancellable *cancellable;
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GError *error;
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} ThreadJobData;
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static void
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thread_job_data_free (gpointer ptr)
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{
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ThreadJobData *tjd = ptr;
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if (tjd != NULL)
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{
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/* This should go to UI with more info/description,
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* if it is not G_IOI_ERROR_CANCELLED */
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if (tjd->error != NULL && !g_error_matches (tjd->error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
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g_warning ("Job failed: %s\n", tjd->error->message);
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if (tjd->free_user_data != NULL)
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tjd->free_user_data (tjd->user_data);
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g_clear_object (&tjd->cancellable);
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g_clear_error (&tjd->error);
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g_free (tjd);
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}
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}
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static gpointer
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thread_job_thread (gpointer user_data)
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{
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ThreadJobData *tjd = user_data;
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g_return_val_if_fail (tjd != NULL, NULL);
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if (tjd->func != NULL)
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tjd->func (tjd->user_data, tjd->cancellable, &tjd->error);
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thread_job_data_free (tjd);
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return g_thread_self ();
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}
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GCancellable*
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gcal_thread_submit_job (EThreadJobFunc func,
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gpointer user_data,
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GDestroyNotify free_user_data)
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{
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ThreadJobData *tjd;
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GThread *thread;
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GCancellable *cancellable;
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cancellable = g_cancellable_new ();
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tjd = g_new0 (ThreadJobData, 1);
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tjd->func = func;
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tjd->user_data = user_data;
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tjd->free_user_data = free_user_data;
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/* user should be able to cancel this cancellable somehow */
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tjd->cancellable = g_object_ref (cancellable);
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tjd->error = NULL;
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thread = g_thread_try_new (NULL, thread_job_thread, tjd, &tjd->error);
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if (thread != NULL)
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{
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g_thread_unref (thread);
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}
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else
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{
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thread_job_data_free (tjd);
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g_clear_object (&cancellable);
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}
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return cancellable;
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}
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