import UBI libgusb-0.3.8-2.el9

This commit is contained in:
eabdullin 2023-11-07 11:19:02 +00:00
parent ebe8f30bab
commit d3bb7f887f
2 changed files with 135 additions and 2 deletions

View File

@ -0,0 +1,126 @@
diff -urNp libgusb-0.3.8.old/gusb/gusb-context.c libgusb-0.3.8/gusb/gusb-context.c
--- libgusb-0.3.8.old/gusb/gusb-context.c 2023-07-31 10:27:45.903816362 +0100
+++ libgusb-0.3.8/gusb/gusb-context.c 2023-07-31 10:41:22.973605806 +0100
@@ -54,6 +54,9 @@ struct _GUsbContextPrivate
GUsbContextFlags flags;
libusb_context *ctx;
libusb_hotplug_callback_handle hotplug_id;
+ GPtrArray *idle_events;
+ GMutex idle_events_mutex;
+ guint idle_events_id;
};
/* not defined in FreeBSD */
@@ -123,12 +126,18 @@ g_usb_context_dispose (GObject *object)
g_source_remove (priv->hotplug_poll_id);
priv->hotplug_poll_id = 0;
}
+ if (priv->idle_events_id > 0) {
+ g_source_remove(priv->idle_events_id);
+ priv->idle_events_id = 0;
+ }
g_clear_pointer (&priv->main_ctx, g_main_context_unref);
g_clear_pointer (&priv->devices, g_ptr_array_unref);
g_clear_pointer (&priv->dict_usb_ids, g_hash_table_unref);
g_clear_pointer (&priv->dict_replug, g_hash_table_unref);
g_clear_pointer (&priv->ctx, libusb_exit);
+ g_clear_pointer(&priv->idle_events, g_ptr_array_unref);
+ g_mutex_clear(&priv->idle_events_mutex);
G_OBJECT_CLASS (g_usb_context_parent_class)->dispose (object);
}
@@ -377,23 +386,48 @@ g_usb_context_idle_helper_free (GUsbCont
g_free (helper);
}
+static gpointer
+g_usb_context_idle_helper_copy(gconstpointer src, gpointer user_data)
+{
+ GUsbContextIdleHelper *helper_src = (GUsbContextIdleHelper *)src;
+ GUsbContextIdleHelper *helper_dst = g_new0(GUsbContextIdleHelper, 1);
+ helper_dst->context = g_object_ref(helper_src->context);
+ helper_dst->dev = libusb_ref_device(helper_src->dev);
+ helper_dst->event = helper_src->event;
+ return helper_dst;
+}
+
+/* always in the main thread */
static gboolean
g_usb_context_idle_hotplug_cb (gpointer user_data)
{
- GUsbContextIdleHelper *helper = (GUsbContextIdleHelper *) user_data;
+ GUsbContext *context = G_USB_CONTEXT(user_data);
+ GUsbContextPrivate *priv = context->priv;
+ g_autoptr(GPtrArray) idle_events = NULL;
- switch (helper->event) {
- case LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED:
- g_usb_context_add_device (helper->context, helper->dev);
- break;
- case LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT:
- g_usb_context_remove_device (helper->context, helper->dev);
- break;
- default:
- break;
+ /* drain the idle events with the lock held */
+ g_mutex_lock(&priv->idle_events_mutex);
+ idle_events = g_ptr_array_copy(priv->idle_events, g_usb_context_idle_helper_copy, NULL);
+ g_ptr_array_set_size(priv->idle_events, 0);
+ priv->idle_events_id = 0;
+ g_mutex_unlock(&priv->idle_events_mutex);
+
+ /* run the callbacks when not locked */
+ for (guint i = 0; i < idle_events->len; i++) {
+ GUsbContextIdleHelper *helper = g_ptr_array_index(idle_events, i);
+ switch (helper->event) {
+ case LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED:
+ g_usb_context_add_device(helper->context, helper->dev);
+ break;
+ case LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT:
+ g_usb_context_remove_device(helper->context, helper->dev);
+ break;
+ default:
+ break;
+ }
}
- g_usb_context_idle_helper_free (helper);
+ /* all done */
return FALSE;
}
@@ -405,13 +439,19 @@ g_usb_context_hotplug_cb (struct libusb_
{
GUsbContext *context = G_USB_CONTEXT (user_data);
GUsbContextIdleHelper *helper;
+ GUsbContextPrivate *priv = context->priv;
+ g_autoptr(GMutexLocker) locker = g_mutex_locker_new(&priv->idle_events_mutex);
+
+ g_assert(locker != NULL);
helper = g_new0 (GUsbContextIdleHelper, 1);
- helper->context = context;
+ helper->context = g_object_ref(context);
helper->dev = libusb_ref_device (dev);
helper->event = event;
- g_idle_add (g_usb_context_idle_hotplug_cb, helper);
+ g_ptr_array_add(priv->idle_events, helper);
+ if (priv->idle_events_id == 0)
+ priv->idle_events_id = g_idle_add(g_usb_context_idle_hotplug_cb, context);
return 0;
}
@@ -605,6 +645,11 @@ g_usb_context_init (GUsbContext *context
priv->dict_usb_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
priv->dict_replug = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
+
+ /* to escape the thread into the mainloop */
+ g_mutex_init(&priv->idle_events_mutex);
+ priv->idle_events =
+ g_ptr_array_new_with_free_func((GDestroyNotify)g_usb_context_idle_helper_free);
}
static gboolean

View File

@ -1,11 +1,14 @@
Summary: GLib wrapper around libusb1
Name: libgusb
Version: 0.3.8
Release: 1%{?dist}
Release: 2%{?dist}
License: LGPLv2+
URL: https://github.com/hughsie/libgusb
Source0: http://people.freedesktop.org/~hughsient/releases/%{name}-%{version}.tar.xz
# backport from upstream
Patch0: idle-events-mutex.patch
BuildRequires: glib2-devel >= 2.38.0
BuildRequires: gobject-introspection-devel
BuildRequires: gtk-doc
@ -26,7 +29,7 @@ Requires: %{name} = %{version}-%{release}
GLib headers and libraries for gusb.
%prep
%setup -q
%autosetup -p1
%build
%meson -Dvapi=true -Dtests=true
@ -55,6 +58,10 @@ GLib headers and libraries for gusb.
%{_datadir}/vala/vapi/gusb.vapi
%changelog
* Mon Jul 31 2023 Richard Hughes <richard@hughsie.com> 0.3.8-2
- Backport a patch to fix a rare multithreaded crash on device replug
- Resolves: rhbz#2227760
* Wed Oct 06 2021 Richard Hughes <richard@hughsie.com> 0.3.8-1
- New upstream version
- Add new API requested by fwupd