gst: don't use volatile to mean atomic

volatile is not sufficient to provide atomic guarantees and real atomics
should be used instead.  GCC 11 has started warning about using volatile
with atomic operations.

https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719

Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2098>

22 files changed, 23 insertions, 23 deletions

diff --git a/gst-libs/gst/vulkan/android/gstvkwindow_android.c b/gst-libs/gst/vulkan/android/gstvkwindow_android.c
index c1bd866ac..a745d54ce 100644
--- a/gst-libs/gst/vulkan/android/gstvkwindow_android.c
+++ b/gst-libs/gst/vulkan/android/gstvkwindow_android.c
@@ -37,7 +37,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowandroid", 0,
diff --git a/gst-libs/gst/vulkan/cocoa/gstvkwindow_cocoa.m b/gst-libs/gst/vulkan/cocoa/gstvkwindow_cocoa.m
index f00726267..fd8e22742 100644
--- a/gst-libs/gst/vulkan/cocoa/gstvkwindow_cocoa.m
+++ b/gst-libs/gst/vulkan/cocoa/gstvkwindow_cocoa.m
@@ -42,7 +42,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowmacos", 0,
diff --git a/gst-libs/gst/vulkan/gstvkbuffermemory.c b/gst-libs/gst/vulkan/gstvkbuffermemory.c
index 967ef9d27..515aff0d0 100644
--- a/gst-libs/gst/vulkan/gstvkbuffermemory.c
+++ b/gst-libs/gst/vulkan/gstvkbuffermemory.c
@@ -363,7 +363,7 @@ gst_vulkan_buffer_memory_allocator_init (GstVulkanBufferMemoryAllocator *
 void
 gst_vulkan_buffer_memory_init_once (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_VULKAN_BUFFER_MEMORY, "vulkanbuffermemory",
diff --git a/gst-libs/gst/vulkan/gstvkcommandbuffer.c b/gst-libs/gst/vulkan/gstvkcommandbuffer.c
index 2719ba3e3..7b0d310da 100644
--- a/gst-libs/gst/vulkan/gstvkcommandbuffer.c
+++ b/gst-libs/gst/vulkan/gstvkcommandbuffer.c
@@ -41,7 +41,7 @@ GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
 static void
 init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkancommandbuffer", 0,
diff --git a/gst-libs/gst/vulkan/gstvkdescriptorset.c b/gst-libs/gst/vulkan/gstvkdescriptorset.c
index ad2280d20..1718382d8 100644
--- a/gst-libs/gst/vulkan/gstvkdescriptorset.c
+++ b/gst-libs/gst/vulkan/gstvkdescriptorset.c
@@ -44,7 +44,7 @@ GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
 static void
 init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandescriptorset", 0,
diff --git a/gst-libs/gst/vulkan/gstvkdevice.c b/gst-libs/gst/vulkan/gstvkdevice.c
index e5f57d10c..639406de0 100644
--- a/gst-libs/gst/vulkan/gstvkdevice.c
+++ b/gst-libs/gst/vulkan/gstvkdevice.c
@@ -67,7 +67,7 @@ struct _GstVulkanDevicePrivate
 static void
 _init_debug (void)
 {
-  static volatile gsize init;
+  static gsize init;
 
   if (g_once_init_enter (&init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandevice", 0,
diff --git a/gst-libs/gst/vulkan/gstvkdisplay.c b/gst-libs/gst/vulkan/gstvkdisplay.c
index 345234985..fc87417b6 100644
--- a/gst-libs/gst/vulkan/gstvkdisplay.c
+++ b/gst-libs/gst/vulkan/gstvkdisplay.c
@@ -59,7 +59,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandisplay", 0,
diff --git a/gst-libs/gst/vulkan/gstvkfence.c b/gst-libs/gst/vulkan/gstvkfence.c
index cdfcefe0a..9e03a24b5 100644
--- a/gst-libs/gst/vulkan/gstvkfence.c
+++ b/gst-libs/gst/vulkan/gstvkfence.c
@@ -42,7 +42,7 @@ GST_DEBUG_CATEGORY (gst_debug_vulkan_fence);
 static void
 _init_debug (void)
 {
-  static volatile gsize init;
+  static gsize init;
 
   if (g_once_init_enter (&init)) {
     GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_fence,
diff --git a/gst-libs/gst/vulkan/gstvkhandle.c b/gst-libs/gst/vulkan/gstvkhandle.c
index 454f84546..8219030d4 100644
--- a/gst-libs/gst/vulkan/gstvkhandle.c
+++ b/gst-libs/gst/vulkan/gstvkhandle.c
@@ -40,7 +40,7 @@ GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
 static void
 init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanhandle", 0,
diff --git a/gst-libs/gst/vulkan/gstvkimagememory.c b/gst-libs/gst/vulkan/gstvkimagememory.c
index 8a0328433..7a242496e 100644
--- a/gst-libs/gst/vulkan/gstvkimagememory.c
+++ b/gst-libs/gst/vulkan/gstvkimagememory.c
@@ -705,7 +705,7 @@ gst_vulkan_image_memory_allocator_init (GstVulkanImageMemoryAllocator *
 void
 gst_vulkan_image_memory_init_once (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_VULKAN_IMAGE_MEMORY, "vulkanimagememory",
diff --git a/gst-libs/gst/vulkan/gstvkimageview.c b/gst-libs/gst/vulkan/gstvkimageview.c
index 655a77865..c8f86bad9 100644
--- a/gst-libs/gst/vulkan/gstvkimageview.c
+++ b/gst-libs/gst/vulkan/gstvkimageview.c
@@ -40,7 +40,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFUALT);
 static void
 init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_VULKAN_IMAGE_VIEW, "vulkanimageview",
diff --git a/gst-libs/gst/vulkan/gstvkinstance.c b/gst-libs/gst/vulkan/gstvkinstance.c
index 0dbf26f9c..14db32922 100644
--- a/gst-libs/gst/vulkan/gstvkinstance.c
+++ b/gst-libs/gst/vulkan/gstvkinstance.c
@@ -96,7 +96,7 @@ struct _GstVulkanInstancePrivate
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkaninstance", 0,
diff --git a/gst-libs/gst/vulkan/gstvkmemory.c b/gst-libs/gst/vulkan/gstvkmemory.c
index f70333258..40ed31e8f 100644
--- a/gst-libs/gst/vulkan/gstvkmemory.c
+++ b/gst-libs/gst/vulkan/gstvkmemory.c
@@ -309,7 +309,7 @@ gst_vulkan_memory_allocator_init (GstVulkanMemoryAllocator * allocator)
 void
 gst_vulkan_memory_init_once (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_VULKAN_MEMORY, "vulkanmemory", 0,
diff --git a/gst-libs/gst/vulkan/gstvkphysicaldevice.c b/gst-libs/gst/vulkan/gstvkphysicaldevice.c
index cf9be303b..33f9f2055 100644
--- a/gst-libs/gst/vulkan/gstvkphysicaldevice.c
+++ b/gst-libs/gst/vulkan/gstvkphysicaldevice.c
@@ -71,7 +71,7 @@ struct _GstVulkanPhysicalDevicePrivate
 static void
 _init_debug (void)
 {
-  static volatile gsize init;
+  static gsize init;
 
   if (g_once_init_enter (&init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandevice", 0,
diff --git a/gst-libs/gst/vulkan/gstvkqueue.c b/gst-libs/gst/vulkan/gstvkqueue.c
index 0763b83d6..025b9b235 100644
--- a/gst-libs/gst/vulkan/gstvkqueue.c
+++ b/gst-libs/gst/vulkan/gstvkqueue.c
@@ -40,7 +40,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
 static void
 _init_debug (void)
 {
-  static volatile gsize init;
+  static gsize init;
 
   if (g_once_init_enter (&init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanqueue", 0, "Vulkan Queue");
diff --git a/gst-libs/gst/vulkan/gstvktrash.c b/gst-libs/gst/vulkan/gstvktrash.c
index 56c12bafe..a5c38ccaa 100644
--- a/gst-libs/gst/vulkan/gstvktrash.c
+++ b/gst-libs/gst/vulkan/gstvktrash.c
@@ -44,7 +44,7 @@ GST_DEBUG_CATEGORY (gst_debug_vulkan_trash);
 static void
 _init_debug (void)
 {
-  static volatile gsize init;
+  static gsize init;
 
   if (g_once_init_enter (&init)) {
     GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_trash,
diff --git a/gst-libs/gst/vulkan/gstvkutils.c b/gst-libs/gst/vulkan/gstvkutils.c
index 2971d0cc2..5646b5a3f 100644
--- a/gst-libs/gst/vulkan/gstvkutils.c
+++ b/gst-libs/gst/vulkan/gstvkutils.c
@@ -37,7 +37,7 @@ static void
 _init_context_debug (void)
 {
 #ifndef GST_DISABLE_GST_DEBUG
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
diff --git a/gst-libs/gst/vulkan/gstvkwindow.c b/gst-libs/gst/vulkan/gstvkwindow.c
index bcccfe514..ed5a784c9 100644
--- a/gst-libs/gst/vulkan/gstvkwindow.c
+++ b/gst-libs/gst/vulkan/gstvkwindow.c
@@ -138,7 +138,7 @@ gst_vulkan_window_default_close (GstVulkanWindow * window)
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindow", 0,
diff --git a/gst-libs/gst/vulkan/ios/gstvkwindow_ios.m b/gst-libs/gst/vulkan/ios/gstvkwindow_ios.m
index 84fc33deb..db23e77ae 100644
--- a/gst-libs/gst/vulkan/ios/gstvkwindow_ios.m
+++ b/gst-libs/gst/vulkan/ios/gstvkwindow_ios.m
@@ -41,7 +41,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowios", 0,
diff --git a/gst-libs/gst/vulkan/vulkan_mkenum.py b/gst-libs/gst/vulkan/vulkan_mkenum.py
index 0d1ecfe09..59a6bbc3e 100644
--- a/gst-libs/gst/vulkan/vulkan_mkenum.py
+++ b/gst-libs/gst/vulkan/vulkan_mkenum.py
@@ -22,11 +22,11 @@ c_array = ['--fhead',
            '--fprod',
            "\n/* enumerations from \"@basename@\" */",
            '--vhead',
-           "GType\n@enum_name@_get_type (void)\n{\n  static volatile gsize g_define_type_id__volatile = 0;\n  if (g_once_init_enter (&g_define_type_id__volatile)) {\n    static const G@Type@Value values[] = {",
+           "GType\n@enum_name@_get_type (void)\n{\n  static gsize static_g_define_type_id = 0;\n  if (g_once_init_enter (&static_g_define_type_id)) {\n    static const G@Type@Value values[] = {",
            '--vprod',
            "      { C_@TYPE@ (@VALUENAME@), \"@VALUENAME@\", \"@valuenick@\" },",
            '--vtail',
-           "      { 0, NULL, NULL }\n    };\n    GType g_define_type_id = g_@type@_register_static (\"@EnumName@\", values);\n    g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);\n  }\n  return g_define_type_id__volatile;\n}\n"
+           "      { 0, NULL, NULL }\n    };\n    GType g_define_type_id = g_@type@_register_static (\"@EnumName@\", values);\n    g_once_init_leave (&static_g_define_type_id, g_define_type_id);\n  }\n  return static_g_define_type_id;\n}\n"
 ]
 
 cmd = []
diff --git a/gst-libs/gst/vulkan/wayland/gstvkwindow_wayland.c b/gst-libs/gst/vulkan/wayland/gstvkwindow_wayland.c
index eda063de9..5d3f5c48d 100644
--- a/gst-libs/gst/vulkan/wayland/gstvkwindow_wayland.c
+++ b/gst-libs/gst/vulkan/wayland/gstvkwindow_wayland.c
@@ -37,7 +37,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowxcb", 0,
diff --git a/gst-libs/gst/vulkan/xcb/gstvkwindow_xcb.c b/gst-libs/gst/vulkan/xcb/gstvkwindow_xcb.c
index b0f1ab4d0..285943b12 100644
--- a/gst-libs/gst/vulkan/xcb/gstvkwindow_xcb.c
+++ b/gst-libs/gst/vulkan/xcb/gstvkwindow_xcb.c
@@ -39,7 +39,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
 static void
 _init_debug (void)
 {
-  static volatile gsize _init = 0;
+  static gsize _init = 0;
 
   if (g_once_init_enter (&_init)) {
     GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowxcb", 0,