ATOMIC_OPS.cpp

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// checking for atomic operations
 
 
#if defined (_WIN32) && !defined (_WIN64)
 
#include <stdio.h>
#include <windows.h>
 
 
extern "C" {
 
typedef int  __stdcall pfiipv_t (int*);
typedef int  __stdcall pfiip_t (volatile int*);
typedef long __stdcall pfllp_t (long*);
typedef long __stdcall pfllpv_t (volatile long*);
 
}   // extern "C"
 
 
const char* foo (pfiip_t) { return "int"; }
const char* foo (pfiipv_t) { return "volatile int"; }
 
const char* foo (pfllp_t) { return "long"; }
const char* foo (pfllpv_t) { return "volatile long"; }
 
 
int main ()
{
    // determine the argument type of InterlockedIncrement()
    // (the type changes from long* to volatile long* depending
    // on the version/patch of MSVC)
 
    printf ("#define _RWSTD_INTERLOCKED_T %s\n", foo (InterlockedIncrement));
 
    return 0;
}
 
#else   // not 32-bit Windows
 
#include <stdio.h>
 
int main ()
{
   return 0;
}
 
#endif   // Windows