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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>
87 lines
3.4 KiB
C
87 lines
3.4 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright 2010, 2013 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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#ifndef __G_SIMPLE_PROXY_RESOLVER_H__
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#define __G_SIMPLE_PROXY_RESOLVER_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/gproxyresolver.h>
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G_BEGIN_DECLS
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#define G_TYPE_SIMPLE_PROXY_RESOLVER (g_simple_proxy_resolver_get_type ())
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#define G_SIMPLE_PROXY_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_SIMPLE_PROXY_RESOLVER, GSimpleProxyResolver))
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#define G_SIMPLE_PROXY_RESOLVER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_SIMPLE_PROXY_RESOLVER, GSimpleProxyResolverClass))
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#define G_IS_SIMPLE_PROXY_RESOLVER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_SIMPLE_PROXY_RESOLVER))
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#define G_IS_SIMPLE_PROXY_RESOLVER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_SIMPLE_PROXY_RESOLVER))
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#define G_SIMPLE_PROXY_RESOLVER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_SIMPLE_PROXY_RESOLVER, GSimpleProxyResolverClass))
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typedef struct _GSimpleProxyResolver GSimpleProxyResolver;
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typedef struct _GSimpleProxyResolverPrivate GSimpleProxyResolverPrivate;
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typedef struct _GSimpleProxyResolverClass GSimpleProxyResolverClass;
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struct _GSimpleProxyResolver
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{
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GObject parent_instance;
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/*< private >*/
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GSimpleProxyResolverPrivate *priv;
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};
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struct _GSimpleProxyResolverClass
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{
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GObjectClass parent_class;
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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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};
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GIO_AVAILABLE_IN_2_36
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GType g_simple_proxy_resolver_get_type (void);
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GIO_AVAILABLE_IN_2_36
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GProxyResolver *g_simple_proxy_resolver_new (const gchar *default_proxy,
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gchar **ignore_hosts);
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GIO_AVAILABLE_IN_2_36
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void g_simple_proxy_resolver_set_default_proxy (GSimpleProxyResolver *resolver,
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const gchar *default_proxy);
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GIO_AVAILABLE_IN_2_36
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void g_simple_proxy_resolver_set_ignore_hosts (GSimpleProxyResolver *resolver,
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gchar **ignore_hosts);
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GIO_AVAILABLE_IN_2_36
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void g_simple_proxy_resolver_set_uri_proxy (GSimpleProxyResolver *resolver,
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const gchar *uri_scheme,
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const gchar *proxy);
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G_END_DECLS
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#endif /* __G_SIMPLE_PROXY_RESOLVER_H__ */
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