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kc3-lang/libffi/testsuite/libffi.go/closure1.c

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  • Author : Richard Henderson
    Date : 2014-11-14 13:04:33
    Hash : c9f5b664
    Message : testsuite: Add trivial tests for Go closures

  • testsuite/libffi.go/closure1.c
  • /* { dg-do run } */
    
    #include "ffitest.h"
    
    void doit(ffi_cif *cif, void *rvalue, void **avalue, void *closure)
    {
      (void)cif;
      (void)avalue;
      *(void **)rvalue = closure;
    }
    
    typedef void * (*FN)(void);
    
    int main()
    {
      ffi_cif cif;
      ffi_go_closure cl;
      void *result;
    
      CHECK(ffi_prep_cif(&cif, ABI_NUM, 0, &ffi_type_pointer, NULL) == FFI_OK);
      CHECK(ffi_prep_go_closure(&cl, &cif, doit) == FFI_OK);
    
      ffi_call_go(&cif, FFI_FN(*(FN *)&cl), &result, NULL, &cl);
    
      CHECK(result == &cl);
    
      exit(0);
    }