Run tests on PHP 7.4 and simplify test matrix and test setup #209
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The underlying `epoll_wait()` reports `EPOLLOUT|EPOLLERR|EPOLLHUP` on the affected file descriptor, which `ext-uv` emits as an error code `EBADF` with no events attached. We explicitly re-enable all active events on this error event to invoke the writable listener for this condition to match other event loop implementations and successfully detect this as a refused connection attempt. All tests are now green.
We do not usually use or expose the `exceptfds` parameter passed to the underlying `select`. However, Windows does not report failed connection attempts in `writefds` passed to `select` like most other platforms. Instead, it uses `writefds` only for successful connection attempts and `exceptfds` for failed connection attempts. See also https://docs.microsoft.com/de-de/windows/win32/api/winsock2/nf-winsock2-select We work around this by adding all sockets that look like a pending connection attempt to `exceptfds` automatically on Windows and merge it back later. This ensures the public API matches other loop implementations across all platforms (see also test suite or rather test matrix). Lacking better APIs, every write-only socket that has not yet read any data is assumed to be in a pending connection attempt state.
clue
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WyriHaximus
approved these changes
Dec 31, 2019
jsor
approved these changes
Dec 31, 2019
This was referenced Mar 4, 2020
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Builds on top of #208 (see last commit to omit unrelated changes)