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mruby-task: add core data structures to mrb_state

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extend mrb_fiber_state enum with task-specific states:
- MRB_TASK_CREATED: task context initialized
- MRB_TASK_STOPPED: task execution finished

add mrb_task_state structure to mrb_state:
- task queues array (dormant, ready, waiting, suspended)
- tick counter for scheduling
- wakeup_tick for sleep timing
- switching flag for context switches

remove duplicate mrb_task_state definition from task.h since it is
now defined in include/mruby.h. all changes guarded by
MRB_USE_TASK_SCHEDULER for zero overhead when disabled.

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2025-10-04 12:34:40 +09:00
parent ae0d7a0c16
commit dda60ca719
2 changed files with 21 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/mruby.h
+19
View File
@@ -187,6 +187,10 @@ enum mrb_fiber_state {
MRB_FIBER_SUSPENDED,
MRB_FIBER_TRANSFERRED,
MRB_FIBER_TERMINATED,
#ifdef MRB_USE_TASK_SCHEDULER
MRB_TASK_CREATED,
MRB_TASK_STOPPED,
#endif
};
struct mrb_context {
@@ -243,6 +247,17 @@ struct mrb_jmpbuf;
typedef void (*mrb_atexit_func)(struct mrb_state*);
#ifdef MRB_USE_TASK_SCHEDULER
struct mrb_tcb;
typedef struct mrb_task_state {
struct mrb_tcb *queues[4]; /* Task queues (dormant, ready, waiting, suspended) */
volatile uint32_t tick; /* Current tick count */
volatile uint32_t wakeup_tick; /* Next wakeup tick */
volatile mrb_bool switching; /* Context switch pending flag */
} mrb_task_state;
#endif
typedef struct mrb_state {
struct mrb_jmpbuf *jmp;
@@ -313,6 +328,10 @@ typedef struct mrb_state {
mrb_atexit_func *atexit_stack;
#endif
uint16_t atexit_stack_len;
#ifdef MRB_USE_TASK_SCHEDULER
mrb_task_state task; /* Task scheduler state */
#endif
} mrb_state;
/**
mrbgems/mruby-task/include/task.h
+2 -8
View File
@@ -56,17 +56,11 @@ typedef struct mrb_tcb {
} mrb_tcb;
/*
* Task scheduler state (part of mrb_state)
* Task queue configuration
* (mrb_task_state is defined in mruby.h)
*/
#define MRB_NUM_TASK_QUEUE 4
typedef struct mrb_task_state {
mrb_tcb *queues[MRB_NUM_TASK_QUEUE]; /* Task queues */
volatile uint32_t tick; /* Current tick count */
volatile uint32_t wakeup_tick; /* Next wakeup tick */
volatile mrb_bool switching; /* Context switch pending flag */
} mrb_task_state;
/* Queue indices */
#define MRB_TASK_QUEUE_DORMANT 0
#define MRB_TASK_QUEUE_READY 1