From b657aa209b9ea3b3efd33a940283b3ba60a169af Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 16 Oct 2009 12:59:53 +0900 Subject: Add ao_wake_task and ao_exit ao_wake_task signals a specific task to wake up. ao_exit terminates the current task. Signed-off-by: Keith Packard --- src/ao_task.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'src/ao_task.c') diff --git a/src/ao_task.c b/src/ao_task.c index 12b73943..136444b0 100644 --- a/src/ao_task.c +++ b/src/ao_task.c @@ -93,7 +93,9 @@ ao_yield(void) _naked push _bp _endasm; - if (ao_cur_task_index != AO_NO_TASK_INDEX) + if (ao_cur_task_index == AO_NO_TASK_INDEX) + ao_cur_task_index = ao_num_tasks-1; + else { uint8_t stack_len; __data uint8_t *stack_ptr; @@ -198,6 +200,24 @@ ao_wakeup(__xdata void *wchan) ao_tasks[i]->wchan = NULL; } +void +ao_wake_task(__xdata struct ao_task *task) +{ + task->wchan = NULL; +} + +void +ao_exit(void) +{ + uint8_t i; + ao_num_tasks--; + for (i = ao_cur_task_index; i < ao_num_tasks; i++) + ao_tasks[i] = ao_tasks[i+1]; + ao_cur_task_index = AO_NO_TASK_INDEX; + ao_yield(); + /* we'll never get back here */ +} + void ao_task_info(void) { -- cgit v1.2.3