libthreads.cc

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