libthreads.cc

   1 #include "threads.h"
   2 #include "common.h"
   3 #include "threads-model.h"
   4 #include "action.h"
   5
   6
   7 /* global "model" object */
   8 #include "model.h"
   9
  10 /*
  11  * User program API functions
  12  */
  13 int thrd_create(thrd_t *t, thrd_start_t start_routine, void *arg)
  14 {
  15         createModelIfNotExist();
  16         struct thread_params params = { start_routine, arg };
  17         /* seq_cst is just a 'don't care' parameter */
  18         model->switch_thread(new ModelAction(THREAD_CREATE, std::memory_order_seq_cst, t, (uint64_t)&params));
  19         return 0;
  20 }
  21
  22 int thrd_join(thrd_t t)
  23 {
  24         createModelIfNotExist();
  25         Thread *th = t.priv;
  26         model->switch_thread(new ModelAction(THREAD_JOIN, std::memory_order_seq_cst, th, id_to_int(thrd_to_id(t))));
  27         return 0;
  28 }
  29
  30 /** A no-op, for now */
  31 void thrd_yield(void)
  32 {
  33         createModelIfNotExist();
  34         model->switch_thread(new ModelAction(THREAD_YIELD, std::memory_order_seq_cst, thread_current(), VALUE_NONE));
  35 }
  36
  37 thrd_t thrd_current(void)
  38 {
  39         createModelIfNotExist();
  40         return thread_current()->get_thrd_t();
  41 }