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gcontenttype: Ignore intentional one-time leaks from xdgmime

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Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Fixes: #2310
This commit is contained in:
Philip Withnall 2021-09-27 13:13:40 +01:00
parent 59ea3c53bd
commit c2562bdf58
1 changed files with 28 additions and 1 deletions
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29
gio/gcontenttype.c
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@ -32,6 +32,7 @@
#include "gfileenumerator.h"
#include "gfileinfo.h"
#include "glibintl.h"
#include "glib-private.h"
/**
@ -57,7 +58,12 @@
static void tree_magic_schedule_reload (void);
/* We lock this mutex whenever we modify global state in this module. */
/* We lock this mutex whenever we modify global state in this module.
* Taking and releasing this lock should always be associated with a pair of
* g_begin_ignore_leaks()/g_end_ignore_leaks() calls, as any call into xdgmime
* could trigger xdg_mime_init(), which makes a number of one-time allocations
* which GLib can never free as it doesn’t know when is suitable to call
* xdg_mime_shutdown(). */
G_LOCK_DEFINE_STATIC (gio_xdgmime);
gsize
@ -66,7 +72,9 @@ _g_unix_content_type_get_sniff_len (void)
gsize size;
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
size = xdg_mime_get_max_buffer_extents ();
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return size;
@ -78,7 +86,9 @@ _g_unix_content_type_unalias (const gchar *type)
gchar *res;
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
res = g_strdup (xdg_mime_unalias_mime_type (type));
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return res;
@ -95,6 +105,7 @@ _g_unix_content_type_get_parents (const gchar *type)
array = g_ptr_array_new ();
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
umime = xdg_mime_unalias_mime_type (type);
@ -106,6 +117,7 @@ _g_unix_content_type_get_parents (const gchar *type)
free (parents);
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
g_ptr_array_add (array, NULL);
@ -233,7 +245,9 @@ g_content_type_equals (const gchar *type1,
g_return_val_if_fail (type2 != NULL, FALSE);
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
res = xdg_mime_mime_type_equal (type1, type2);
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return res;
@ -259,7 +273,9 @@ g_content_type_is_a (const gchar *type,
g_return_val_if_fail (supertype != NULL, FALSE);
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
res = xdg_mime_mime_type_subclass (type, supertype);
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return res;
@ -472,7 +488,9 @@ g_content_type_get_description (const gchar *type)
g_return_val_if_fail (type != NULL, NULL);
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
type = xdg_mime_unalias_mime_type (type);
g_end_ignore_leaks ();
if (type_comment_cache == NULL)
type_comment_cache = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
@ -528,7 +546,9 @@ g_content_type_get_icon_internal (const gchar *type,
g_return_val_if_fail (type != NULL, NULL);
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
xdg_icon = xdg_mime_get_icon (type);
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
if (xdg_icon)
@ -619,7 +639,9 @@ g_content_type_get_generic_icon_name (const gchar *type)
g_return_val_if_fail (type != NULL, NULL);
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
xdg_icon_name = xdg_mime_get_generic_icon (type);
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
if (!xdg_icon_name)
@ -703,8 +725,10 @@ g_content_type_from_mime_type (const gchar *mime_type)
g_return_val_if_fail (mime_type != NULL, NULL);
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
/* mime type and content type are same on unixes */
umime = g_strdup (xdg_mime_unalias_mime_type (mime_type));
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return umime;
@ -751,6 +775,7 @@ g_content_type_guess (const gchar *filename,
g_return_val_if_fail (data_size != (gsize) -1, g_strdup (XDG_MIME_TYPE_UNKNOWN));
G_LOCK (gio_xdgmime);
g_begin_ignore_leaks ();
if (filename)
{
@ -775,6 +800,7 @@ g_content_type_guess (const gchar *filename,
if (n_name_mimetypes == 1)
{
gchar *s = g_strdup (name_mimetypes[0]);
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return s;
}
@ -843,6 +869,7 @@ g_content_type_guess (const gchar *filename,
}
}
g_end_ignore_leaks ();
G_UNLOCK (gio_xdgmime);
return mimetype;