#include <libk/list.h>
#include <mm/liballoc.h>
#include <proc/proc.h>
#include <proc/suspension_q.h>
#include <sync/spin_lock.h>

void proc_sqs_cleanup (struct proc* proc) {
  spin_lock_ctx_t ctxsq, ctxpr;

  spin_lock (&proc->lock, &ctxpr);

  /* clean suspension queue entries */
  struct list_node_link *sq_link, *sq_link_tmp;
  list_foreach (proc->sq_entries, sq_link, sq_link_tmp) {
    struct proc_sq_entry* sq_entry = list_entry (sq_link, struct proc_sq_entry, proc_link);
    struct proc_suspension_q* sq = sq_entry->sq;

    spin_lock (&sq->lock, &ctxsq);

    /* remove from sq's list */
    list_remove (sq->proc_list, &sq_entry->sq_link);

    /* remove from proc's list */
    list_remove (proc->sq_entries, &sq_entry->proc_link);

    spin_unlock (&sq->lock, &ctxsq);

    free (sq_entry);
  }

  spin_unlock (&proc->lock, &ctxpr);
}