cpusetimpl.h: Add _CPU_set_Set() and improve Doxygen

cpukit/score/include/rtems/score/cpusetimpl.h

@@ -1,9 +1,9 @@
 /**
- *  @file  rtems/score/cpusetimpl.h
+ *  @file
  *
- *  @brief Implementation Prototypes for CPU Set
+ *  @brief Implementation Helper for CPU Set
  *
- *  This file contains the implementation prototypes for
+ *  This file contains the implementation helpers inlines and prototypes for
  *  CPU set methods.
  */
 
@@ -31,61 +31,105 @@ extern "C" {
 #ifdef __RTEMS_HAVE_SYS_CPUSET_H__
 
 /**
- * _CPU_set_Is_valid
+ * @brief Determine If the CPU Set if Valid
  *
- * This routine validates a cpuset size corresponds to
+ * This routine validates a cpuset size corresponds to the system
- * the system correct size, that at least one
+ * correct size, that at least one valid cpu is set and that no invalid
- * valid cpu is set and that no invalid cpus are set.
+ * cpus are set.
+ *
+ * @param[in] cpuset is the cpuset to validate
+ * @param[in] setsize is the number of CPUs in the cpuset
+ *
+ * @return true if the set is valid
  */
 bool _CPU_set_Is_valid( const cpu_set_t *cpuset, size_t setsize );
 
 /**
- * _CPU_set_Show
+ * @brief Print the CPU Set
  *
  * This routine will print the value of the given cpuset.
+ *
+ * @param[in] description is a string to print before the value.
+ * @param[in] cpuset is the cpuset to validate
+ * @param[in] setsize is the number of CPUs in the cpuset
  */
-void _CPU_set_Show( const char *description, const cpu_set_t   *cpuset);
+void _CPU_set_Show( const char *description, const cpu_set_t  *cpuset);
 
 /**
- * _CPU_set_Show_default
+ * @brief Print the Default CPU Set
  *
  * This routine will print the value of the default cpuset.
+ *
+ * @param[in] description is a string to print before the value.
  */
 void _CPU_set_Show_default( const char *description );
 
 /**
- * _CPU_set_Default
+ * @brief Obtain the Default CPU Set
  *
- * This routine returns the default cpuset for
+ * This routine returns the default cpuset for this system.
- * this system.
+ *
+ * @return a pointer to the default cpuset.
  */
 const CPU_set_Control *_CPU_set_Default(void);
 
-RTEMS_INLINE_ROUTINE size_t _CPU_set_Maximum_CPU_count(
+/**
-  size_t cpusetsize
+ * @brief Obtain the Maximum Number of CPUs Representable in CPU Set
-)
+ *
+ * This routine returns maximum number of CPUs that can be represented
+ * in the @a setsize specified.
+ *
+ * @return the number of representable cores in the cpuset
+ */
+RTEMS_INLINE_ROUTINE size_t _CPU_set_Maximum_CPU_count( size_t setsize )
 {
-  return cpusetsize * CHAR_BIT;
+  return setsize * CHAR_BIT;
 }
 
+/**
+ * @brief Is this CPU Set Large Enough?
+ *
+ * This method can be used to determine if a particular cpuset is
+ * large enough for the number of CPUs in the system.
+ *
+ * @param[in] setsize is the number of CPUs in the cpuset
+ *
+ * @return true if the @a setsize is sufficient
+ */
 RTEMS_INLINE_ROUTINE bool _CPU_set_Is_large_enough(
-  size_t cpusetsize
+  size_t setsize
 )
 {
-  return _CPU_set_Maximum_CPU_count( cpusetsize )
+  return _CPU_set_Maximum_CPU_count( setsize ) >= _SMP_Get_processor_count();
-    >= _SMP_Get_processor_count();
 }
 
+/**
+ * @brief Fill in CPU_set_Control
+ *
+ * This method fills in a CPU_set_Control based upon a cpu_set_t and
+ * size information.
+ *
+ * @param[in] cpuset is the cpuset to validate
+ * @param[in] setsize is the number of CPUs in the cpuset
+ */
+static inline void _CPU_set_Set(
+  size_t           setsize,
+  cpu_set_t       *cpuset,
+  CPU_set_Control *set
+)
+{
+  set->set     = &set->preallocated;
+  set->setsize = setsize;
+  CPU_COPY( set->set, cpuset );
+}
 #endif
 
 /**
- * _CPU_set_Handler_initialization
+ * @brief Initialize the CPU Set Handler
  *
- * This routine validates a cpuset sets at least one
+ * This routine validates a cpuset sets at least one valid cpu and that
- * valid cpu and that it does not set any invalid
+ * it does not set any invalid cpus.
- * cpus.
  */
-
 #if __RTEMS_HAVE_SYS_CPUSET_H__ && defined( RTEMS_SMP )
 void _CPU_set_Handler_initialization(void);
 #else