testing/test-cases/dlopen-recurse.dtest/main.c

   1
   2 // BUILD:  $CC bar.c -dynamiclib  -install_name $RUN_DIR/libbar.dylib -o $BUILD_DIR/libbar.dylib
   3 // BUILD:  $CC foo.c -dynamiclib  -install_name $RUN_DIR/libfoo.dylib -o $BUILD_DIR/libfoo.dylib -DRUN_DIR="$RUN_DIR"
   4 // BUILD:  $CC main.c -o $BUILD_DIR/dlopen-recurse.exe -DRUN_DIR="$RUN_DIR"
   5
   6 // RUN:  ./dlopen-recurse.exe
   7
   8 #include <stdio.h>
   9 #include <dlfcn.h>
  10 #include <stdlib.h>
  11 #include <dispatch/dispatch.h>
  12
  13
  14
  15 int main()
  16 {
  17     printf("[BEGIN] dlopen-recurse\n");
  18
  19     // libfoo's initializer calls dlopen().  If that hangs, we have a locking bug
  20     void* handle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
  21     dlclose(handle);
  22
  23     printf("[PASS] dlopen-recurse\n");
  24         return 0;
  25 }
  26