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event/PollBackend: use vector::push_back() instead of resize()

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This commit is contained in:
Max Kellermann 2020-10-30 16:33:41 +01:00
parent b1b731340e
commit 3d276d50b4
1 changed files with 10 additions and 5 deletions
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15
src/event/PollBackend.cxx
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@ -24,17 +24,22 @@
PollBackend::PollBackend() noexcept = default; PollBackend::PollBackend() noexcept = default;
PollBackend::~PollBackend() noexcept = default; PollBackend::~PollBackend() noexcept = default;
static constexpr auto
MakePollfd(int fd, short events) noexcept
{
struct pollfd pfd{};
pfd.fd = fd;
pfd.events = events;
return pfd;
}
bool bool
PollBackend::Add(int fd, unsigned events, void *obj) noexcept PollBackend::Add(int fd, unsigned events, void *obj) noexcept
{ {
assert(items.find(fd) == items.end()); assert(items.find(fd) == items.end());
const std::size_t index = poll_events.size(); const std::size_t index = poll_events.size();
poll_events.resize(index + 1); poll_events.push_back(MakePollfd(fd, events));
auto &e = poll_events[index];
e.fd = fd;
e.events = events;
e.revents = 0;
items.emplace(std::piecewise_construct, items.emplace(std::piecewise_construct,
std::forward_as_tuple(fd), std::forward_as_tuple(fd),