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016829559e
g_type_ensure has a large comment saying _get_type shouldn't be marked with G_GNUC_CONST because it has side-effects on the first run, but it's OK if you consistently call g_type_ensure first. Unfortunately, this isn't accurate. GCC trunk (observed at r17-1725-ge259a182e1f100) now analyses points-to information more effectively and propagates its findings, so it sees the function modifies some global state, concludes that can't be possible (because of the const attribute), and deletes the stores. pure unfortunately is unsuitable for *_get_type too as it has a side-effect (writes to global memory). Mesa had a similar issue which I fixed recently [0]. glib and glibmm likely want the (not-yet-implemented) 'idempotent' attribute instead [1]. In fact, this exact problem is what motivated that request! :) ebassi mentions an alternative to the current setup as well, using atomics [2]. This problem has gone back many years but the compiler has finally fully outsmarted us here, so give in. [0] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/42361 [1] https://gcc.gnu.org/PR32911 [2] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4249#note_2583110 Fixes: https://gitlab.gnome.org/GNOME/glib/-/work_items/3984 Signed-off-by: Sam James <sam@gentoo.org>
174 lines
6.5 KiB
C
174 lines
6.5 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library 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 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, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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*/
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#ifndef __G_MOUNT_OPERATION_H__
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#define __G_MOUNT_OPERATION_H__
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#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
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#error "Only <gio/gio.h> can be included directly."
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#endif
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#include <gio/giotypes.h>
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G_BEGIN_DECLS
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#define G_TYPE_MOUNT_OPERATION (g_mount_operation_get_type ())
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#define G_MOUNT_OPERATION(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_MOUNT_OPERATION, GMountOperation))
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#define G_MOUNT_OPERATION_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_MOUNT_OPERATION, GMountOperationClass))
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#define G_IS_MOUNT_OPERATION(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_MOUNT_OPERATION))
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#define G_IS_MOUNT_OPERATION_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_MOUNT_OPERATION))
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#define G_MOUNT_OPERATION_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_MOUNT_OPERATION, GMountOperationClass))
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typedef struct _GMountOperationClass GMountOperationClass;
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typedef struct _GMountOperationPrivate GMountOperationPrivate;
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struct _GMountOperation
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{
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GObject parent_instance;
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GMountOperationPrivate *priv;
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};
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struct _GMountOperationClass
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{
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GObjectClass parent_class;
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/* signals: */
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void (* ask_password) (GMountOperation *op,
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const char *message,
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const char *default_user,
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const char *default_domain,
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GAskPasswordFlags flags);
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/**
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* GMountOperationClass::ask_question:
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* @op: a #GMountOperation
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* @message: string containing a message to display to the user
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* @choices: (array zero-terminated=1) (element-type utf8): an array of
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* strings for each possible choice
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*
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* Virtual implementation of #GMountOperation::ask-question.
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*/
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void (* ask_question) (GMountOperation *op,
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const char *message,
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const char *choices[]);
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void (* reply) (GMountOperation *op,
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GMountOperationResult result);
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void (* aborted) (GMountOperation *op);
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/**
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* GMountOperationClass::show_processes:
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* @op: a #GMountOperation
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* @message: string containing a message to display to the user
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* @processes: (element-type GPid): an array of #GPid for processes blocking
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* the operation
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* @choices: (array zero-terminated=1) (element-type utf8): an array of
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* strings for each possible choice
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*
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* Virtual implementation of #GMountOperation::show-processes.
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*
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* Since: 2.22
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*/
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void (* show_processes) (GMountOperation *op,
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const gchar *message,
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GArray *processes,
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const gchar *choices[]);
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void (* show_unmount_progress) (GMountOperation *op,
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const gchar *message,
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gint64 time_left,
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gint64 bytes_left);
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/*< private >*/
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/* Padding for future expansion */
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void (*_g_reserved1) (void);
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void (*_g_reserved2) (void);
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void (*_g_reserved3) (void);
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void (*_g_reserved4) (void);
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void (*_g_reserved5) (void);
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void (*_g_reserved6) (void);
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void (*_g_reserved7) (void);
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void (*_g_reserved8) (void);
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void (*_g_reserved9) (void);
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};
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GIO_AVAILABLE_IN_ALL
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GType g_mount_operation_get_type (void);
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GIO_AVAILABLE_IN_ALL
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GMountOperation * g_mount_operation_new (void);
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GIO_AVAILABLE_IN_ALL
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const char * g_mount_operation_get_username (GMountOperation *op);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_set_username (GMountOperation *op,
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const char *username);
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GIO_AVAILABLE_IN_ALL
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const char * g_mount_operation_get_password (GMountOperation *op);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_set_password (GMountOperation *op,
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const char *password);
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GIO_AVAILABLE_IN_ALL
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gboolean g_mount_operation_get_anonymous (GMountOperation *op);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_set_anonymous (GMountOperation *op,
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gboolean anonymous);
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GIO_AVAILABLE_IN_ALL
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const char * g_mount_operation_get_domain (GMountOperation *op);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_set_domain (GMountOperation *op,
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const char *domain);
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GIO_AVAILABLE_IN_ALL
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GPasswordSave g_mount_operation_get_password_save (GMountOperation *op);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_set_password_save (GMountOperation *op,
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GPasswordSave save);
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GIO_AVAILABLE_IN_ALL
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int g_mount_operation_get_choice (GMountOperation *op);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_set_choice (GMountOperation *op,
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int choice);
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GIO_AVAILABLE_IN_ALL
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void g_mount_operation_reply (GMountOperation *op,
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GMountOperationResult result);
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GIO_AVAILABLE_IN_2_58
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gboolean g_mount_operation_get_is_tcrypt_hidden_volume (GMountOperation *op);
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GIO_AVAILABLE_IN_2_58
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void g_mount_operation_set_is_tcrypt_hidden_volume (GMountOperation *op,
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gboolean hidden_volume);
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GIO_AVAILABLE_IN_2_58
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gboolean g_mount_operation_get_is_tcrypt_system_volume (GMountOperation *op);
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GIO_AVAILABLE_IN_2_58
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void g_mount_operation_set_is_tcrypt_system_volume (GMountOperation *op,
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gboolean system_volume);
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GIO_AVAILABLE_IN_2_58
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guint g_mount_operation_get_pim (GMountOperation *op);
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GIO_AVAILABLE_IN_2_58
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void g_mount_operation_set_pim (GMountOperation *op,
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guint pim);
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G_END_DECLS
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#endif /* __G_MOUNT_OPERATION_H__ */
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