FrameLock.cpp

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#include "rogue/Directives.h"
 
#include "rogue/interfaces/stream/FrameLock.h"
 
#include <memory>
 
#include "rogue/GilRelease.h"
#include "rogue/interfaces/stream/Frame.h"
 
namespace ris = rogue::interfaces::stream;
 
#ifndef NO_PYTHON
    #include <boost/python.hpp>
namespace bp = boost::python;
#endif
 
ris::FrameLockPtr ris::FrameLock::create(ris::FramePtr frame) {
    ris::FrameLockPtr frameLock = std::make_shared<ris::FrameLock>(frame);
    return (frameLock);
}
 
ris::FrameLock::FrameLock(ris::FramePtr frame) {
    rogue::GilRelease noGil;
    frame_ = frame;
    frame_->lock_.lock();
    locked_ = true;
}
 
void ris::FrameLock::setup_python() {
#ifndef NO_PYTHON
 
    bp::class_<ris::FrameLock, ris::FrameLockPtr, boost::noncopyable>("FrameLock", bp::no_init)
        .def("lock", &ris::FrameLock::lock)
        .def("unlock", &ris::FrameLock::unlock)
        .def("__enter__", &ris::FrameLock::enter)
        .def("__exit__", &ris::FrameLock::exit);
#endif
}
 
ris::FrameLock::~FrameLock() {
    if (locked_) frame_->lock_.unlock();
}
 
void ris::FrameLock::lock() {
    if (!locked_) {
        rogue::GilRelease noGil;
        frame_->lock_.lock();
        locked_ = true;
    }
}
 
void ris::FrameLock::unlock() {
    if (locked_) {
        frame_->lock_.unlock();
        locked_ = false;
    }
}
 
void ris::FrameLock::enter() {}
 
void ris::FrameLock::exit(void*, void*, void*) {}