seqlock/seqlock.c

   1 #include <stdatomic.h>
   2 #include <threads.h>
   3
   4 #include "seqlock.h"
   5
   6 seqlock_t *lock;
   7
   8 static void a(void *obj) {
   9         lock->write(3);
  10 }
  11
  12 static void b(void *obj) {
  13         lock->write(2);
  14 }
  15
  16 static void c(void *obj) {
  17         int r1 = lock->read();
  18 }
  19
  20 int user_main(int argc, char **argv) {
  21         thrd_t t1, t2, t3, t4;
  22         lock = new seqlock_t();
  23
  24         thrd_create(&t1, (thrd_start_t)&a, NULL);
  25         //thrd_create(&t2, (thrd_start_t)&b, NULL);
  26         thrd_create(&t3, (thrd_start_t)&c, NULL);
  27
  28         thrd_join(t1);
  29         //thrd_join(t2);
  30         thrd_join(t3);
  31         return 0;
  32 }