From: Andreas Dachsberger <andreas.dachsber...@embedded-brains.de>
---
cpukit/include/rtems/score/schedulersimplesmp.h | 88 ++++++++++++++++++++++++-
1 file changed, 86 insertions(+), 2 deletions(-)
diff --git a/cpukit/include/rtems/score/schedulersimplesmp.h
b/cpukit/include/rtems/score/schedulersimplesmp.h
index 647d4af9d3..eeb07d848e 100644
--- a/cpukit/include/rtems/score/schedulersimplesmp.h
+++ b/cpukit/include/rtems/score/schedulersimplesmp.h
@@ -1,9 +1,9 @@
/**
* @file
*
- * @brief Simple SMP Scheduler API
- *
* @ingroup RTEMSScoreSchedulerSMPSimple
+ *
+ * @brief Simple SMP Scheduler API
*/
/*
@@ -32,6 +32,8 @@ extern "C" {
*
* @ingroup RTEMSScoreSchedulerSMP
*
+ * @brief Simple Priority SMP Scheduler
+ *
* The Simple Priority SMP Scheduler allocates a processor for the processor
* count highest priority ready threads. The thread priority and position in
* the ready chain are the only information to determine the scheduling
@@ -85,8 +87,21 @@ typedef struct {
SCHEDULER_OPERATION_DEFAULT_GET_SET_AFFINITY \
}
+/**
+ * @brief Initializes the scheduler's context.
+ *
+ * @param scheduler The scheduler instance to initialize the context of.
+ */
void _Scheduler_simple_SMP_Initialize( const Scheduler_Control *scheduler );
+/**
+ * @brief Initializes the node with the given attributes.
+ *
+ * @param scheduler The scheduler instance.
+ * @param[out] node The node to initialize.
+ * @param the_thread The user of the node, if RTEMS_SMP is defined.
+ * @param priority The priority of the node to initialize.
+ */
void _Scheduler_simple_SMP_Node_initialize(
const Scheduler_Control *scheduler,
Scheduler_Node *node,
@@ -94,36 +109,84 @@ void _Scheduler_simple_SMP_Node_initialize(
Priority_Control priority
);
+/**
+ * @brief Blocks a thread.
+ *
+ * @param scheduler The scheduler instance.
+ * @param[in, out] thread The thread to block.
+ * @param[in, out] node The scheduler node of @a thread.
+ */
void _Scheduler_simple_SMP_Block(
const Scheduler_Control *scheduler,
Thread_Control *thread,
Scheduler_Node *node
);
+/**
+ * @brief Unblocks a thread.
+ *
+ * @param scheduler The scheduler instance.
+ * @param[in, out] thread The thread to unblock.
+ * @param[in, out] node The scheduler node of @a thread.
+ */
void _Scheduler_simple_SMP_Unblock(
const Scheduler_Control *scheduler,
Thread_Control *thread,
Scheduler_Node *node
);
+/**
+ * @brief Updates the priority of the node.
+ *
+ * @param scheduler The scheduler instance.
+ * @param the_thread The thread of @a node.
+ * @param node The node to update the priority of.
+ */
void _Scheduler_simple_SMP_Update_priority(
const Scheduler_Control *scheduler,
Thread_Control *the_thread,
Scheduler_Node *node
);
+/**
+ * @brief Asks for help.
+ *
+ * @param scheduler The scheduler instance to ask for help.
+ * @param the_thread The thread needing help.
+ * @param node The scheduler node.
+ *
+ * @retval true Ask for help was successful.
+ * @retval false Ask for help was not successful.
+ */
bool _Scheduler_simple_SMP_Ask_for_help(
const Scheduler_Control *scheduler,
Thread_Control *the_thread,
Scheduler_Node *node
);
+/**
+ * @brief Reconsiders help.
+ *
+ * @param scheduler The scheduler instance to reconsider the help
+ * request.
+ * @param the_thread The thread reconsidering a help request.
+ * @param node The scheduler node.
+ */
void _Scheduler_simple_SMP_Reconsider_help_request(
const Scheduler_Control *scheduler,
Thread_Control *the_thread,
Scheduler_Node *node
);
+/**
+ * @brief Withdraws node.
+ *
+ * @param scheduler The scheduler instance to withdraw the node.
+ * @param the_thread The thread using the node.
+ * @param node The scheduler node to withdraw.
+ * @param next_state The next thread scheduler state in the case the node is
+ * scheduled.
+ */
void _Scheduler_simple_SMP_Withdraw_node(
const Scheduler_Control *scheduler,
Thread_Control *the_thread,
@@ -131,16 +194,37 @@ void _Scheduler_simple_SMP_Withdraw_node(
Thread_Scheduler_state next_state
);
+/**
+ * @brief Adds @a idle to @a scheduler.
+ *
+ * @param[in, out] scheduler The scheduler instance to add the processor to.
+ * @param idle The idle thread control.
+ */
void _Scheduler_simple_SMP_Add_processor(
const Scheduler_Control *scheduler,
Thread_Control *idle
);
+/**
+ * @brief Removes an idle thread from the given cpu.
+ *
+ * @param scheduler The scheduler instance.
+ * @param cpu The cpu control to remove from @a scheduler.
+ *
+ * @return The idle thread of the processor.
+ */
Thread_Control *_Scheduler_simple_SMP_Remove_processor(
const Scheduler_Control *scheduler,
struct Per_CPU_Control *cpu
);
+/**
+ * Performs a yield operation for the thread.
+ *
+ * @param scheduler The scheduler instance.
+ * @param thread The thread to yield.
+ * @param[in, out] node The node of the thread to perform a yield.
+ */
void _Scheduler_simple_SMP_Yield(
const Scheduler_Control *scheduler,
Thread_Control *thread,
--
2.16.4
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