/* GIO - GLib Input, Output and Streaming Library * * Copyright 2011 Red Hat, Inc. * * SPDX-License-Identifier: LGPL-2.1-or-later * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General * Public License along with this library; if not, see . */ #ifndef __G_TASK_H__ #define __G_TASK_H__ #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION) #error "Only can be included directly." #endif #include G_BEGIN_DECLS #define G_TYPE_TASK (g_task_get_type ()) #define G_TASK(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_TASK, GTask)) #define G_TASK_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_TASK, GTaskClass)) #define G_IS_TASK(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_TASK)) #define G_IS_TASK_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_TASK)) #define G_TASK_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_TASK, GTaskClass)) typedef struct _GTaskClass GTaskClass; GIO_AVAILABLE_IN_2_36 GType g_task_get_type (void) G_GNUC_CONST; GIO_AVAILABLE_IN_2_36 GTask *g_task_new (gpointer source_object, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer callback_data); GIO_AVAILABLE_IN_2_36 void g_task_report_error (gpointer source_object, GAsyncReadyCallback callback, gpointer callback_data, gpointer source_tag, GError *error); GIO_AVAILABLE_IN_2_36 void g_task_report_new_error (gpointer source_object, GAsyncReadyCallback callback, gpointer callback_data, gpointer source_tag, GQuark domain, gint code, const char *format, ...) G_GNUC_PRINTF(7, 8); GIO_AVAILABLE_IN_2_36 void g_task_set_task_data (GTask *task, gpointer task_data, GDestroyNotify task_data_destroy); GIO_AVAILABLE_IN_2_36 void g_task_set_priority (GTask *task, gint priority); GIO_AVAILABLE_IN_2_36 void g_task_set_check_cancellable (GTask *task, gboolean check_cancellable); GIO_AVAILABLE_IN_2_36 void g_task_set_source_tag (GTask *task, gpointer source_tag); GIO_AVAILABLE_IN_2_60 void g_task_set_name (GTask *task, const gchar *name); GIO_AVAILABLE_IN_2_76 void g_task_set_static_name (GTask *task, const gchar *name); /* Macro wrapper to set the task name when setting the source tag. */ #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_60 #define g_task_set_source_tag(task, tag) G_STMT_START { \ GTask *_task = (task); \ (g_task_set_source_tag) (_task, tag); \ if (g_task_get_name (_task) == NULL) \ g_task_set_static_name (_task, G_STRINGIFY (tag)); \ } G_STMT_END #endif #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_76 #if defined (__GNUC__) && (__GNUC__ >= 2) #define g_task_set_name(task, name) G_STMT_START { \ GTask *_task = (task); \ if (__builtin_constant_p (name)) \ g_task_set_static_name (_task, name); \ else \ g_task_set_name (_task, name); \ } G_STMT_END #endif #endif GIO_AVAILABLE_IN_2_36 gpointer g_task_get_source_object (GTask *task); GIO_AVAILABLE_IN_2_36 gpointer g_task_get_task_data (GTask *task); GIO_AVAILABLE_IN_2_36 gint g_task_get_priority (GTask *task); GIO_AVAILABLE_IN_2_36 GMainContext *g_task_get_context (GTask *task); GIO_AVAILABLE_IN_2_36 GCancellable *g_task_get_cancellable (GTask *task); GIO_AVAILABLE_IN_2_36 gboolean g_task_get_check_cancellable (GTask *task); GIO_AVAILABLE_IN_2_36 gpointer g_task_get_source_tag (GTask *task); GIO_AVAILABLE_IN_2_60 const gchar *g_task_get_name (GTask *task); GIO_AVAILABLE_IN_2_36 gboolean g_task_is_valid (gpointer result, gpointer source_object); typedef void (*GTaskThreadFunc) (GTask *task, gpointer source_object, gpointer task_data, GCancellable *cancellable); GIO_AVAILABLE_IN_2_36 void g_task_run_in_thread (GTask *task, GTaskThreadFunc task_func); GIO_AVAILABLE_IN_2_36 void g_task_run_in_thread_sync (GTask *task, GTaskThreadFunc task_func); GIO_AVAILABLE_IN_2_36 gboolean g_task_set_return_on_cancel (GTask *task, gboolean return_on_cancel); GIO_AVAILABLE_IN_2_36 gboolean g_task_get_return_on_cancel (GTask *task); GIO_AVAILABLE_IN_2_36 void g_task_attach_source (GTask *task, GSource *source, GSourceFunc callback); GIO_AVAILABLE_IN_2_36 void g_task_return_pointer (GTask *task, gpointer result, GDestroyNotify result_destroy); GIO_AVAILABLE_IN_2_36 void g_task_return_boolean (GTask *task, gboolean result); GIO_AVAILABLE_IN_2_36 void g_task_return_int (GTask *task, gssize result); GIO_AVAILABLE_IN_2_36 void g_task_return_error (GTask *task, GError *error); GIO_AVAILABLE_IN_2_36 void g_task_return_new_error (GTask *task, GQuark domain, gint code, const char *format, ...) G_GNUC_PRINTF (4, 5); GIO_AVAILABLE_IN_2_64 void g_task_return_value (GTask *task, GValue *result); GIO_AVAILABLE_IN_2_36 gboolean g_task_return_error_if_cancelled (GTask *task); GIO_AVAILABLE_IN_2_36 gpointer g_task_propagate_pointer (GTask *task, GError **error); GIO_AVAILABLE_IN_2_36 gboolean g_task_propagate_boolean (GTask *task, GError **error); GIO_AVAILABLE_IN_2_36 gssize g_task_propagate_int (GTask *task, GError **error); GIO_AVAILABLE_IN_2_64 gboolean g_task_propagate_value (GTask *task, GValue *value, GError **error); GIO_AVAILABLE_IN_2_36 gboolean g_task_had_error (GTask *task); GIO_AVAILABLE_IN_2_44 gboolean g_task_get_completed (GTask *task); G_END_DECLS #endif /* __G_TASK_H__ */