diff options
| -rw-r--r-- | src/libcamera/event_dispatcher_poll.cpp | 58 | ||||
| -rw-r--r-- | src/libcamera/include/event_dispatcher_poll.h | 1 |
2 files changed, 34 insertions, 25 deletions
diff --git a/src/libcamera/event_dispatcher_poll.cpp b/src/libcamera/event_dispatcher_poll.cpp index eefac54c..6e0609c3 100644 --- a/src/libcamera/event_dispatcher_poll.cpp +++ b/src/libcamera/event_dispatcher_poll.cpp @@ -128,32 +128,11 @@ void EventDispatcherPoll::processEvents() for (auto notifier : notifiers_) pollfds.push_back({ notifier.first, notifier.second.events(), 0 }); - /* Compute the timeout. */ - Timer *nextTimer = !timers_.empty() ? timers_.front() : nullptr; - struct timespec timeout; - - if (nextTimer) { - clock_gettime(CLOCK_MONOTONIC, &timeout); - uint64_t now = timeout.tv_sec * 1000000000ULL + timeout.tv_nsec; - - if (nextTimer->deadline() > now) { - uint64_t delta = nextTimer->deadline() - now; - timeout.tv_sec = delta / 1000000000ULL; - timeout.tv_nsec = delta % 1000000000ULL; - } else { - timeout.tv_sec = 0; - timeout.tv_nsec = 0; - } - - LOG(Event, Debug) - << "timeout " << timeout.tv_sec << "." - << std::setfill('0') << std::setw(9) - << timeout.tv_nsec; - } - /* Wait for events and process notifiers and timers. */ - ret = ppoll(pollfds.data(), pollfds.size(), - nextTimer ? &timeout : nullptr, nullptr); + do { + ret = poll(&pollfds); + } while (ret == -1 && errno == EINTR); + if (ret < 0) { ret = -errno; LOG(Event, Warning) << "poll() failed with " << strerror(-ret); @@ -178,6 +157,35 @@ short EventDispatcherPoll::EventNotifierSetPoll::events() const return events; } +int EventDispatcherPoll::poll(std::vector<struct pollfd> *pollfds) +{ + /* Compute the timeout. */ + Timer *nextTimer = !timers_.empty() ? timers_.front() : nullptr; + struct timespec timeout; + + if (nextTimer) { + clock_gettime(CLOCK_MONOTONIC, &timeout); + uint64_t now = timeout.tv_sec * 1000000000ULL + timeout.tv_nsec; + + if (nextTimer->deadline() > now) { + uint64_t delta = nextTimer->deadline() - now; + timeout.tv_sec = delta / 1000000000ULL; + timeout.tv_nsec = delta % 1000000000ULL; + } else { + timeout.tv_sec = 0; + timeout.tv_nsec = 0; + } + + LOG(Event, Debug) + << "timeout " << timeout.tv_sec << "." + << std::setfill('0') << std::setw(9) + << timeout.tv_nsec; + } + + return ppoll(pollfds->data(), pollfds->size(), + nextTimer ? &timeout : nullptr, nullptr); +} + void EventDispatcherPoll::processNotifiers(const std::vector<struct pollfd> &pollfds) { static const struct { diff --git a/src/libcamera/include/event_dispatcher_poll.h b/src/libcamera/include/event_dispatcher_poll.h index a41926e1..ac3efde0 100644 --- a/src/libcamera/include/event_dispatcher_poll.h +++ b/src/libcamera/include/event_dispatcher_poll.h @@ -41,6 +41,7 @@ private: std::map<int, EventNotifierSetPoll> notifiers_; std::list<Timer *> timers_; + int poll(std::vector<struct pollfd> *pollfds); void processNotifiers(const std::vector<struct pollfd> &pollfds); void processTimers(); }; |