libphobos/testsuite/libphobos.thread/external_threads.d

   1 import core.sys.posix.pthread;
   2 import core.memory;
   3 import core.thread;
   4
   5 extern (C) void  rt_moduleTlsCtor();
   6 extern (C) void  rt_moduleTlsDtor();
   7
   8 extern(C)
   9 void* entry_point1(void*)
  10 {
  11     // try collecting - GC must ignore this call because this thread
  12     // is not registered in runtime
  13     GC.collect();
  14     return null;
  15 }
  16
  17 extern(C)
  18 void* entry_point2(void*)
  19 {
  20     // This thread gets registered in druntime, does some work and gets
  21     // unregistered to be cleaned up manually
  22     thread_attachThis();
  23     rt_moduleTlsCtor();
  24
  25     auto x = new int[10];
  26
  27     rt_moduleTlsDtor();
  28     thread_detachThis();
  29     return null;
  30 }
  31
  32 void main()
  33 {
  34     // allocate some garbage
  35     auto x = new int[1000];
  36
  37     {
  38         pthread_t thread;
  39         auto status = pthread_create(&thread, null, &entry_point1, null);
  40         assert(status == 0);
  41         pthread_join(thread, null);
  42     }
  43
  44     {
  45         pthread_t thread;
  46         auto status = pthread_create(&thread, null, &entry_point2, null);
  47         assert(status == 0);
  48         pthread_join(thread, null);
  49     }
  50 }