4e3503ea6c
It's not implemented in GCC 4.9.2's stdlib (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57250). Instead, we're now always using a mutex to protect access; we previously created a mutex only on cancelation, but since we're always canceling now, it makes sense to allocate it right away.
53 lines
1.0 KiB
C++
53 lines
1.0 KiB
C++
#ifndef MBGL_STORAGE_DEFAULT_REQUEST
|
|
#define MBGL_STORAGE_DEFAULT_REQUEST
|
|
|
|
#include <mbgl/storage/resource.hpp>
|
|
|
|
#include <mbgl/util/util.hpp>
|
|
#include <mbgl/util/noncopyable.hpp>
|
|
|
|
#include <mutex>
|
|
#include <thread>
|
|
#include <functional>
|
|
#include <memory>
|
|
|
|
typedef struct uv_loop_s uv_loop_t;
|
|
namespace uv { class async; }
|
|
|
|
namespace mbgl {
|
|
|
|
class Response;
|
|
|
|
class Request : private util::noncopyable {
|
|
public:
|
|
using Callback = std::function<void(const Response &)>;
|
|
Request(const Resource &resource, uv_loop_t *loop, Callback callback);
|
|
|
|
public:
|
|
// May be called from any thread.
|
|
void notify(const std::shared_ptr<const Response> &response);
|
|
void destruct();
|
|
|
|
// May be called only from the thread the Request was created in.
|
|
void cancel();
|
|
|
|
private:
|
|
~Request();
|
|
void notifyCallback();
|
|
|
|
private:
|
|
std::mutex mtx;
|
|
bool canceled = false;
|
|
bool confirmed = false;
|
|
const std::unique_ptr<uv::async> async;
|
|
Callback callback;
|
|
std::shared_ptr<const Response> response;
|
|
|
|
public:
|
|
const Resource resource;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|