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Refactor linux backend event loops

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Allow waiting for events on an arbitrary number of fds. Needed
for async DBUS integration.
This commit is contained in:
Kovid Goyal
2018-07-09 13:28:51 +05:30
parent 3a4b614ae0
commit e91eb27e56
10 changed files with 161 additions and 70 deletions
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17
glfw/wl_window.c vendored
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@@ -735,19 +735,18 @@ handleEvents(double timeout)
dispatchPendingKeyRepeats();
timeout = adjustTimeoutForKeyRepeat(timeout);
GLFWbool read_ok = GLFW_FALSE;
for (nfds_t i = 0; i < 2; i++) _glfw.wl.eventLoopData.fds[i].revents = 0;
prepareForPoll(&_glfw.wl.eventLoopData);
if (timeout >= 0) {
const int result = pollWithTimeout(_glfw.wl.eventLoopData.fds, 2, timeout);
if (result > 0)
{
if (_glfw.wl.eventLoopData.fds[0].revents & POLLIN) drainFd(_glfw.wl.eventLoopData.fds[0].fd);
read_ok = _glfw.wl.eventLoopData.fds[1].revents & POLLIN;
const int result = pollWithTimeout(_glfw.wl.eventLoopData.fds, _glfw.wl.eventLoopData.fds_count, timeout);
if (result > 0) {
dispatchEvents(&_glfw.wl.eventLoopData);
read_ok = _glfw.wl.eventLoopData.watches[0].ready;
}
} else {
if (poll(_glfw.wl.eventLoopData.fds, 2, -1) > 0) {
if (_glfw.wl.eventLoopData.fds[0].revents & POLLIN) drainFd(_glfw.wl.eventLoopData.fds[0].fd);
read_ok = _glfw.wl.eventLoopData.fds[1].revents & POLLIN;
if (poll(_glfw.wl.eventLoopData.fds, _glfw.wl.eventLoopData.fds_count, -1) > 0) {
dispatchEvents(&_glfw.wl.eventLoopData);
read_ok = _glfw.wl.eventLoopData.watches[0].ready;
}
}
if (read_ok) {