score: Add _Watchdog_Acquire|Release|Flash()

Update #2307.

1 files changed, 30 insertions, 0 deletions

diff --git a/cpukit/score/include/rtems/score/watchdogimpl.h b/cpukit/score/include/rtems/score/watchdogimpl.h
index ddd1ca4d1b..f52b55d83c 100644
--- a/cpukit/score/include/rtems/score/watchdogimpl.h
+++ b/cpukit/score/include/rtems/score/watchdogimpl.h
@@ -21,6 +21,7 @@
 
 #include <rtems/score/watchdog.h>
 #include <rtems/score/chainimpl.h>
+#include <rtems/score/isrlock.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -49,6 +50,11 @@ extern "C" {
  */
 typedef struct {
   /**
+   * @brief ISR lock to protect this watchdog chain.
+   */
+  ISR_LOCK_MEMBER( Lock )
+
+  /**
    * @brief The chain of active or transient watchdogs.
    */
   Chain_Control Watchdogs;
@@ -84,6 +90,30 @@ SCORE_EXTERN Watchdog_Header _Watchdog_Ticks_header;
  */
 SCORE_EXTERN Watchdog_Header _Watchdog_Seconds_header;
 
+RTEMS_INLINE_ROUTINE void _Watchdog_Acquire(
+  Watchdog_Header  *header,
+  ISR_lock_Context *lock_context
+)
+{
+  _ISR_lock_ISR_disable_and_acquire( &header->Lock, lock_context );
+}
+
+RTEMS_INLINE_ROUTINE void _Watchdog_Release(
+  Watchdog_Header  *header,
+  ISR_lock_Context *lock_context
+)
+{
+  _ISR_lock_Release_and_ISR_enable( &header->Lock, lock_context );
+}
+
+RTEMS_INLINE_ROUTINE void _Watchdog_Flash(
+  Watchdog_Header  *header,
+  ISR_lock_Context *lock_context
+)
+{
+  _ISR_lock_Flash( &header->Lock, lock_context );
+}
+
 /**
  *  @brief Initialize the watchdog handler.
  *