Re: [RFC][PATCH v2 5/5] sched: User Mode Concurency Groups

On Mon, Jan 24, 2022 at 10:46:17PM +0800, Tao Zhou wrote:

quoted

+/**
+ * sys_umcg_wait: transfer running context
+ *
+ * Called like:
+ *
+ *	self->state = UMCG_TASK_RUNNABLE | UMCG_TF_COND_WAIT;
+ *	...
+ *	sys_umcg_wait(0, time);
+ *
+ * The syscall will clear TF_COND_WAIT and wait until state becomes RUNNING.
+ * The code '...' must not contain syscalls
+ *
+ * If self->next_tid is set and indicates a valid UMCG task with RUNNABLE state
+ * that task will be made RUNNING and woken -- transfering the running context
+ * to that task. In this case self->next_tid is modified with TID_RUNNING to
+ * indicate self->next_tid is consumed.
+ *
+ * If self->next has TID_RUNNING set, it is validated the related task has

/self->next/self->next_tid/

Yeah, there's more of that, I'll be sure to go re-read all the comments.