[PATCH 3/4] cpusetimpl.h: Add _CPU_set_Set() and improve Doxygen
Joel Sherrill
joel.sherrill at oarcorp.com
Tue May 27 22:16:29 UTC 2014
---
cpukit/score/include/rtems/score/cpusetimpl.h | 94 ++++++++++++++++++-------
1 files changed, 69 insertions(+), 25 deletions(-)
diff --git a/cpukit/score/include/rtems/score/cpusetimpl.h b/cpukit/score/include/rtems/score/cpusetimpl.h
index 8ae2408..d8d9f72 100644
--- a/cpukit/score/include/rtems/score/cpusetimpl.h
+++ b/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
- * the system correct size, that at least one
- * valid cpu is set and that no invalid cpus are set.
+ * This routine validates a cpuset size corresponds to the system
+ * correct size, that at least one valid cpu is set and that no invalid
+ * 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 system.
*
- * This routine returns the default cpuset for
- * 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 )
- >= _SMP_Get_processor_count();
+ return _CPU_set_Maximum_CPU_count( setsize ) >= _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
- * valid cpu and that it does not set any invalid
- * cpus.
+ * This routine validates a cpuset sets at least one valid cpu and that
+ * it does not set any invalid cpus.
*/
-
#if __RTEMS_HAVE_SYS_CPUSET_H__ && defined( RTEMS_SMP )
void _CPU_set_Handler_initialization(void);
#else
--
1.7.1
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