nuttx/atomic.h:replace ALL stdatomic.h with nuttx/stdatomic.h in nuttx/

Summary:
  1. Add nuttx/atomic.h in include
  2. Use nuttx/atomic.h instead of stdatomic.h in the nuttx directory

Signed-off-by: chenrun1 <chenrun1@xiaomi.com>

arch/sim/src/sim/sim_heap.c

@@ -27,10 +27,10 @@
 #include <assert.h>
 #include <debug.h>
 #include <string.h>
-#include <stdatomic.h>
 #include <stdbool.h>
 
 #include <nuttx/arch.h>
+#include <nuttx/atomic.h>
 #include <nuttx/fs/procfs.h>
 #include <nuttx/mm/mm.h>
 

drivers/note/notesnap_driver.c

@@ -22,8 +22,7 @@
  * Included Files
  ****************************************************************************/
 
-#include <stdatomic.h>
-
+#include <nuttx/atomic.h>
 #include <nuttx/note/note_driver.h>
 #include <nuttx/note/notesnap_driver.h>
 #include <nuttx/panic_notifier.h>

drivers/wireless/bluetooth/bt_bridge.c

@@ -23,10 +23,10 @@
  ****************************************************************************/
 
 #include <debug.h>
-#include <stdatomic.h>
 #include <string.h>
 
 #include <nuttx/kmalloc.h>
+#include <nuttx/atomic.h>
 #include <nuttx/net/snoop.h>
 
 #include <nuttx/wireless/bluetooth/bt_bridge.h>

include/nuttx/atomic.h

@@ -0,0 +1,64 @@
+/****************************************************************************
+ * include/nuttx/atomic.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_ATOMIC_H
+#define __INCLUDE_NUTTX_ATOMIC_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#if !defined(__cplusplus) || defined(__clang__)
+#  include <stdatomic.h>
+#elif defined(__has_include) && __has_include(<atomic>)
+extern "C++"
+{
+#  include <atomic>
+  using std::atomic_int;
+  using std::atomic_uint;
+  using std::atomic_ushort;
+  using std::atomic_load;
+  using std::atomic_store;
+  using std::atomic_fetch_add;
+  using std::atomic_fetch_sub;
+  using std::atomic_compare_exchange_strong;
+#  define ATOMIC_VAR_INIT(value) (value)
+}
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_ATOMIC_H */

include/nuttx/reset/reset.h

@@ -26,9 +26,9 @@
  ****************************************************************************/
 
 #include <sys/types.h>
-#include <stdatomic.h>
 #include <stdbool.h>
 
+#include <nuttx/atomic.h>
 #include <nuttx/list.h>
 
 /****************************************************************************

include/nuttx/serial/uart_ram.h

@@ -29,8 +29,8 @@
 
 #ifdef CONFIG_RAM_UART
 
-#include <stdatomic.h>
 #include <stdbool.h>
+#include <nuttx/atomic.h>
 
 /****************************************************************************
  * Pre-processor Definitions

include/nuttx/spinlock.h

@@ -31,31 +31,13 @@
 #include <assert.h>
 #include <stdint.h>
 
-#if defined(CONFIG_TICKET_SPINLOCK) || defined(CONFIG_RW_SPINLOCK)
-#  if !defined(__cplusplus)
-#    include <stdatomic.h>
-#    define CONFIG_HAVE_INLINE_SPINLOCK
-#  elif  defined(__has_include) && __has_include(<atomic>)
-extern "C++"
-{
-#    include <atomic>
-#    define CONFIG_HAVE_INLINE_SPINLOCK
-  using std::atomic_int;
-  using std::atomic_load;
-  using std::atomic_uint;
-  using std::atomic_ushort;
-  using std::atomic_fetch_add;
-  using std::atomic_fetch_sub;
-  using std::atomic_compare_exchange_strong;
-}
-#  endif
-#else
-#  define CONFIG_HAVE_INLINE_SPINLOCK
-#endif
-
 #include <nuttx/compiler.h>
 #include <nuttx/irq.h>
 
+#if defined(CONFIG_TICKET_SPINLOCK) || defined(CONFIG_RW_SPINLOCK)
+#  include <nuttx/atomic.h>
+#endif
+
 #undef EXTERN
 #if defined(__cplusplus)
 #define EXTERN extern "C"
@@ -232,8 +214,6 @@ static inline spinlock_t up_testset(FAR volatile spinlock_t *lock)
 /* void spin_lock_init(FAR spinlock_t *lock); */
 #define spin_lock_init(l) do { *(l) = SP_UNLOCKED; } while (0)
 
-#ifdef CONFIG_HAVE_INLINE_SPINLOCK
-
 /****************************************************************************
  * Name: spin_lock_wo_note
  *
@@ -1172,7 +1152,6 @@ void write_unlock_irqrestore(FAR rwlock_t *lock, irqstate_t flags);
 #endif
 
 #endif /* CONFIG_RW_SPINLOCK */
-#endif /* CONFIG_HAVE_INLINE_SPINLOCK */
 
 #undef EXTERN
 #if defined(__cplusplus)