libstdc++-v3/src/c++17/default_resource.h

   1 // This is only in a header so we can use the system_header pragma,
   2 // to suppress the warning caused by using a reserved init_priority.
   3 #pragma GCC system_header
   4
   5 #ifndef _GLIBCXX_HAS_GTHREADS
   6 # error "This file should not be included for this build"
   7 #elif ATOMIC_POINTER_LOCK_FREE == 2
   8 # error "This file should not be included for this build"
   9 #elif defined __GTHREAD_MUTEX_INIT
  10 # error "This file should not be included for this build"
  11 #endif
  12
  13 struct {
  14   atomic_mem_res obj = &newdel_res.obj;
  15 } default_res __attribute__ ((init_priority (100)));