void selectorLoop(Selector* selector) {
// Make sure we're not already looping.
if (selector->looping) {
LOG_ALWAYS_FATAL("Already looping.");
}
selector->looping = true;
while (true) {
setInSelect(selector, true);
prepareForSelect(selector);
LOGD("Entering select().");
// Select file descriptors.
int result = select(selector->maxFd + 1, &selector->readFds,
&selector->writeFds, &selector->exceptFds, NULL);
LOGD("Exiting select().");
setInSelect(selector, false);
if (result == -1) {
// Abort on everything except EINTR.
if (errno == EINTR) {
LOGI("select() interrupted.");
} else {
LOG_ALWAYS_FATAL("select() error: %s",
strerror(errno));
}
} else if (result > 0) {
fireEvents(selector);
}
}
}
int selectSock(int *socks, int nr, int startTimeout) {
fd_set read_set;
int r;
int maxFd;
struct timeval tv, *tvp;
if(startTimeout) {
tv.tv_sec = startTimeout;
tv.tv_usec = 0;
tvp = &tv;
} else {
tvp = NULL;
}
maxFd = prepareForSelect(socks, nr, &read_set);
r = select(maxFd+1, &read_set, NULL, NULL, tvp);
if(r < 0)
return r;
return getSelectedSock(socks, nr, &read_set);
}