/// ManagedStaticBase - Common base class for ManagedStatic instances.
class ManagedStaticBase {
protected:
- sys::cas_flag InitFlag;
+ mutable sys::cas_flag InitFlag;
// This should only be used as a static variable, which guarantees that this
// will be zero initialized.
OSMemoryBarrier();
}
- typedef volatile UInt32 cas_flag;
+ typedef volatile int32_t cas_flag;
inline cas_flag CompareAndSwap(cas_flag* dest, cas_flag exc, cas_flag c) {
cas_flag old = *dest;
- OSCompareAndSwap(c, exc, dest);
+ OSAtomicCompareAndSwap32(c, exc, dest);
return old;
}
#elif defined(LLVM_ON_WIN32)