libphobos/testsuite/libphobos.shared/load_13414.d

   1 import core.runtime;
   2 import core.atomic;
   3 import core.stdc.string;
   4 import core.sys.posix.dlfcn;
   5
   6 shared uint tlsDtor, dtor;
   7 void staticDtorHook() { atomicOp!"+="(tlsDtor, 1); }
   8 void sharedStaticDtorHook() { atomicOp!"+="(dtor, 1); }
   9
  10 void runTest(string name)
  11 {
  12     auto h = Runtime.loadLibrary(name);
  13     assert(h !is null);
  14
  15     *cast(void function()*).dlsym(h, "_D9lib_1341414staticDtorHookOPFZv") = &staticDtorHook;
  16     *cast(void function()*).dlsym(h, "_D9lib_1341420sharedStaticDtorHookOPFZv") = &sharedStaticDtorHook;
  17
  18     Runtime.unloadLibrary(h);
  19     version (CRuntime_Musl)
  20     {
  21         // On Musl, unloadLibrary is a no-op because dlclose is a no-op
  22         assert(tlsDtor == 0);
  23         assert(dtor == 0);
  24     }
  25     else
  26     {
  27         assert(tlsDtor == 1);
  28         assert(dtor == 1);
  29     }
  30 }
  31
  32 void main(string[] args)
  33 {
  34     auto name = args[0] ~ '\0';
  35     const pathlen = strrchr(name.ptr, '/') - name.ptr + 1;
  36     name = name[0 .. pathlen] ~ "lib_13414.so";
  37
  38     runTest(name);
  39 }