PIKApp/app/core/pika-parallel.h

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pika-parallel.h
* Copyright (C) 2018 Ell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __PIKA_PARALLEL_H__
#define __PIKA_PARALLEL_H__
void pika_parallel_init (Pika *pika);
void pika_parallel_exit (Pika *pika);
PikaAsync * pika_parallel_run_async (PikaRunAsyncFunc func,
gpointer user_data);
PikaAsync * pika_parallel_run_async_full (gint priority,
PikaRunAsyncFunc func,
gpointer user_data,
GDestroyNotify user_data_destroy_func);
PikaAsync * pika_parallel_run_async_independent (PikaRunAsyncFunc func,
gpointer user_data);
PikaAsync * pika_parallel_run_async_independent_full (gint priority,
PikaRunAsyncFunc func,
gpointer user_data);
#ifdef __cplusplus
extern "C++"
{
#include <new>
template <class RunAsyncFunc>
inline PikaAsync *
pika_parallel_run_async (RunAsyncFunc func)
{
RunAsyncFunc *func_copy = g_new (RunAsyncFunc, 1);
new (func_copy) RunAsyncFunc (func);
return pika_parallel_run_async_full (0,
[] (PikaAsync *async,
gpointer user_data)
{
RunAsyncFunc *func_copy =
(RunAsyncFunc *) user_data;
(*func_copy) (async);
func_copy->~RunAsyncFunc ();
g_free (func_copy);
},
func_copy,
[] (gpointer user_data)
{
RunAsyncFunc *func_copy =
(RunAsyncFunc *) user_data;
func_copy->~RunAsyncFunc ();
g_free (func_copy);
});
}
template <class RunAsyncFunc,
class DestroyFunc>
inline PikaAsync *
pika_parallel_run_async_full (gint priority,
RunAsyncFunc func,
DestroyFunc destroy_func)
{
typedef struct
{
RunAsyncFunc func;
DestroyFunc destroy_func;
} Funcs;
Funcs *funcs_copy = g_new (Funcs, 1);
new (funcs_copy) Funcs {func, destroy_func};
return pika_parallel_run_async_full (priority,
[] (PikaAsync *async,
gpointer user_data)
{
Funcs *funcs_copy =
(Funcs *) user_data;
funcs_copy->func (async);
funcs_copy->~Funcs ();
g_free (funcs_copy);
},
funcs_copy,
[] (gpointer user_data)
{
Funcs *funcs_copy =
(Funcs *) user_data;
funcs_copy->destroy_func ();
funcs_copy->~Funcs ();
g_free (funcs_copy);
});
}
template <class RunAsyncFunc>
inline PikaAsync *
pika_parallel_run_async_independent_full (gint priority,
RunAsyncFunc func)
{
RunAsyncFunc *func_copy = g_new (RunAsyncFunc, 1);
new (func_copy) RunAsyncFunc (func);
return pika_parallel_run_async_independent_full (priority,
[] (PikaAsync *async,
gpointer user_data)
{
RunAsyncFunc *func_copy =
(RunAsyncFunc *) user_data;
(*func_copy) (async);
func_copy->~RunAsyncFunc ();
g_free (func_copy);
},
func_copy);
}
template <class RunAsyncFunc>
inline PikaAsync *
pika_parallel_run_async_independent (RunAsyncFunc func)
{
return pika_parallel_run_async_independent_full (0, func);
}
}
#endif /* __cplusplus */
#endif /* __PIKA_PARALLEL_H__ */