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Added ability to integrate with foreign event loops

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This commit is contained in:
hogliux
2019-10-08 18:59:56 +01:00
committed by Stanislav Angelovič
parent e30ce194ab
commit 0440dcb15b
3 changed files with 60 additions and 6 deletions
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21
src/Connection.cpp
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@@ -108,6 +108,20 @@ void Connection::leaveProcessingLoop()
joinWithProcessingLoop();
}
sdbus::IConnection::PollData Connection::getProcessLoopPollData()
{
sdbus::IConnection::PollData pollData;
ISdBus::PollData sdbusPollData;
auto r = iface_->sd_bus_get_poll_data(bus_.get(), &sdbusPollData);
SDBUS_THROW_ERROR_IF(r < 0, "Failed to get bus poll data", -r);
pollData.fd = sdbusPollData.fd;
pollData.events = sdbusPollData.events;
pollData.timeout_usec = sdbusPollData.timeout_usec;
return pollData;
}
const ISdBus& Connection::getSdBusInterface() const
{
return *iface_.get();
@@ -345,15 +359,12 @@ bool Connection::waitForNextRequest()
assert(bus != nullptr);
assert(loopExitFd_ != 0);
ISdBus::PollData sdbusPollData;
auto r = iface_->sd_bus_get_poll_data(bus, &sdbusPollData);
SDBUS_THROW_ERROR_IF(r < 0, "Failed to get bus poll data", -r);
auto sdbusPollData = getProcessLoopPollData();
struct pollfd fds[] = {{sdbusPollData.fd, sdbusPollData.events, 0}, {loopExitFd_, POLLIN, 0}};
auto fdsCount = sizeof(fds)/sizeof(fds[0]);
auto timeout = sdbusPollData.timeout_usec == (uint64_t) -1 ? (uint64_t)-1 : (sdbusPollData.timeout_usec+999)/1000;
r = poll(fds, fdsCount, timeout);
auto r = poll(fds, fdsCount, timeout);
if (r < 0 && errno == EINTR)
return true; // Try again