lldb/test/API/lang/c/tls_globals/main.c

   1 #include <stdio.h>
   2 #include <pthread.h>
   3 #include <unistd.h>
   4
   5 void shared_check();
   6 // On some OS's (darwin) you must actually access a thread local variable
   7 // before you can read it
   8 int
   9 touch_shared();
  10
  11 // Create some TLS storage within the static executable.
  12 __thread int var_static = 44;
  13
  14 void *fn_static(void *param)
  15 {
  16         var_static *= 2;
  17         shared_check();
  18         usleep(1); // thread breakpoint
  19         for(;;)
  20                 usleep(1);
  21 }
  22
  23 int main (int argc, char const *argv[])
  24 {
  25         pthread_t handle;
  26         pthread_create(&handle, NULL, &fn_static, NULL);
  27         touch_shared();
  28         for (; var_static;)
  29         {
  30             usleep(1); // main breakpoint
  31         }
  32
  33         return 0;
  34 }