MdePkg/SmiHandlerProfile: Add Context support in Unregister

[mirror_edk2.git] / MdePkg / Library / UefiLib / UefiLib.c

diff --git a/MdePkg/Library/UefiLib/UefiLib.c b/MdePkg/Library/UefiLib/UefiLib.c
index ba3acc1af228e55a16b85c657fa58a4c2b27d6ef..a7eee01240c1cfe1203d19f14a1e96767843a238 100644 (file)
--- a/MdePkg/Library/UefiLib/UefiLib.c
+++ b/MdePkg/Library/UefiLib/UefiLib.c
@@ -5,7 +5,7 @@
   EFI Driver Model related protocols, manage Unicode string tables for UEFI Drivers, \r
   and print messages on the console output and standard error devices.\r
 \r
-  Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -304,6 +304,67 @@ EfiNamedEventSignal (
   return Status;\r
 }\r
 \r
+/**\r
+  Signals an event group by placing a new event in the group temporarily and\r
+  signaling it.\r
+\r
+  @param[in] EventGroup          Supplies the unique identifier of the event\r
+                                 group to signal.\r
+\r
+  @retval EFI_SUCCESS            The event group was signaled successfully.\r
+  @retval EFI_INVALID_PARAMETER  EventGroup is NULL.\r
+  @return                        Error codes that report problems about event\r
+                                 creation or signaling.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EfiEventGroupSignal (\r
+  IN CONST EFI_GUID *EventGroup\r
+  )\r
+{\r
+  EFI_STATUS Status;\r
+  EFI_EVENT  Event;\r
+\r
+  if (EventGroup == NULL) {\r
+    return EFI_INVALID_PARAMETER;\r
+  }\r
+\r
+  Status = gBS->CreateEventEx (\r
+                  EVT_NOTIFY_SIGNAL,\r
+                  TPL_CALLBACK,\r
+                  EfiEventEmptyFunction,\r
+                  NULL,\r
+                  EventGroup,\r
+                  &Event\r
+                  );\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  Status = gBS->SignalEvent (Event);\r
+  gBS->CloseEvent (Event);\r
+\r
+  return Status;\r
+}\r
+\r
+/**\r
+  An empty function that can be used as NotifyFunction parameter of\r
+  CreateEvent() or CreateEventEx().\r
+\r
+  @param Event              Event whose notification function is being invoked.\r
+  @param Context            The pointer to the notification function's context,\r
+                            which is implementation-dependent.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+EfiEventEmptyFunction (\r
+  IN EFI_EVENT              Event,\r
+  IN VOID                   *Context\r
+  )\r
+{\r
+}\r
+\r
 /** \r
   Returns the current TPL.\r
 \r
@@ -1544,23 +1605,3 @@ GetBestLanguage (
   //\r
   return NULL;\r
 }\r
-\r
-/**\r
-  An empty function to pass error checking of CreateEventEx ().\r
-\r
-  This empty function ensures that EVT_NOTIFY_SIGNAL_ALL is error\r
-  checked correctly since it is now mapped into CreateEventEx() in UEFI 2.0.\r
-\r
-  @param  Event                 Event whose notification function is being invoked.\r
-  @param  Context               The pointer to the notification function's context,\r
-                                which is implementation-dependent.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-InternalEmptyFunction (\r
-  IN EFI_EVENT                Event,\r
-  IN VOID                     *Context\r
-  )\r
-{\r
-}\r