本文整理汇总了C++中LLVMState::gc_dependent方法的典型用法代码示例。如果您正苦于以下问题：C++ LLVMState::gc_dependent方法的具体用法？C++ LLVMState::gc_dependent怎么用？C++ LLVMState::gc_dependent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LLVMState的用法示例。
在下文中一共展示了LLVMState::gc_dependent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: perform
virtual void perform() {
const char* thread_name = "rbx.jit";
ManagedThread::set_current(ls_, thread_name);
ls_->set_run_state(ManagedThread::eIndependent);
RUBINIUS_THREAD_START(thread_name, ls_->thread_id(), 1);
#ifndef RBX_WINDOWS
sigset_t set;
sigfillset(&set);
pthread_sigmask(SIG_SETMASK, &set, NULL);
#endif
for(;;) { // forever
BackgroundCompileRequest* req = 0;
// Lock, wait, get a request, unlock
{
utilities::thread::Mutex::LockGuard guard(mutex_);
if(pause_) {
state = cPaused;
paused_ = true;
pause_condition_.broadcast();
if(stop_) goto halt;
while(pause_) {
condition_.wait(mutex_);
if(stop_) goto halt;
}
state = cUnknown;
paused_ = false;
}
// If we've been asked to stop, do so now.
if(stop_) goto halt;
while(pending_requests_.empty()) {
state = cIdle;
// unlock and wait...
condition_.wait(mutex_);
if(stop_) goto halt;
}
// now locked again, shift a request
req = pending_requests_.front();
state = cRunning;
}
// This isn't ideal, but it's the safest. Keep the GC from
// running while we're building the IR.
ls_->gc_dependent();
Context ctx(ls_);
jit::Compiler jit(&ctx);
// mutex now unlock, allowing others to push more requests
//
current_req_ = req;
current_compiler_ = &jit;
int spec_id = 0;
Class* cls = req->receiver_class();
if(cls && !cls->nil_p()) {
spec_id = cls->class_id();
}
void* func = 0;
{
timer::Running<1000000> timer(ls_->shared().stats.jit_time_spent);
jit.compile(req);
func = jit.generate_function();
}
// We were unable to compile this function, likely
// because it's got something we don't support.
if(!func) {
if(ls_->config().jit_show_compiling) {
CompiledCode* code = req->method();
llvm::outs() << "[[[ JIT error background compiling "
<< ls_->enclosure_name(code) << "#" << ls_->symbol_debug_str(code->name())
<< (req->is_block() ? " (block)" : " (method)")
<< " ]]]\n";
}
// If someone was waiting on this, wake them up.
if(utilities::thread::Condition* cond = req->waiter()) {
cond->signal();
}
//.........这里部分代码省略.........