本文整理汇总了C++中ManagedStatic::acquire方法的典型用法代码示例。如果您正苦于以下问题：C++ ManagedStatic::acquire方法的具体用法？C++ ManagedStatic::acquire怎么用？C++ ManagedStatic::acquire使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ManagedStatic的用法示例。
在下文中一共展示了ManagedStatic::acquire方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: callExternalFunction
GenericValue Interpreter::callExternalFunction(Function *F,
const std::vector<GenericValue> &ArgVals) {
TheInterpreter = this;
FunctionsLock->acquire();
// Do a lookup to see if the function is in our cache... this should just be a
// deferred annotation!
std::map<const Function *, ExFunc>::iterator FI = ExportedFunctions->find(F);
if (ExFunc Fn = (FI == ExportedFunctions->end()) ? lookupFunction(F)
: FI->second) {
FunctionsLock->release();
return Fn(F->getFunctionType(), ArgVals);
}
#ifdef USE_LIBFFI
std::map<const Function *, RawFunc>::iterator RF = RawFunctions->find(F);
RawFunc RawFn;
if (RF == RawFunctions->end()) {
RawFn = (RawFunc)(intptr_t)
sys::DynamicLibrary::SearchForAddressOfSymbol(F->getName());
if (!RawFn)
RawFn = (RawFunc)(intptr_t)getPointerToGlobalIfAvailable(F);
if (RawFn != 0)
RawFunctions->insert(std::make_pair(F, RawFn)); // Cache for later
} else {
RawFn = RF->second;
}
FunctionsLock->release();
GenericValue Result;
if (RawFn != 0 && ffiInvoke(RawFn, F, ArgVals, getTargetData(), Result))
return Result;
#endif // USE_LIBFFI
if (F->getName() == "__main")
errs() << "Tried to execute an unknown external function: "
<< *F->getType() << " __main\n";
else
report_fatal_error("Tried to execute an unknown external function: " +
F->getName());
#ifndef USE_LIBFFI
errs() << "Recompiling LLVM with --enable-libffi might help.\n";
#endif
return GenericValue();
}