Unity-Technologies
/
curl
зеркало из https://github.com/Unity-Technologies/curl.git
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Improve detection of socket events which allow a further recv() call 

to complete with no delay and actually find out what happened with
the socket. As well as detection of socket send()able condition.

This also allows removal of a Cygwin specific block of code.
This commit is contained in:
Yang Tse 2007-03-28 18:59:42 +00:00
Родитель 60bc103a78
Коммит 869d192ffc
1 изменённых файлов: 13 добавлений и 20 удалений
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31
lib/select.c
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@ -206,13 +206,13 @@ int Curl_socket_ready(curl_socket_t readfd, curl_socket_t writefd, int timeout_m
num = 0;
if (readfd != CURL_SOCKET_BAD) {
pfd[num].fd = readfd;
pfd[num].events = POLLIN;
pfd[num].events = POLLRDNORM|POLLIN|POLLRDBAND|POLLPRI;
pfd[num].revents = 0;
num++;
}
if (writefd != CURL_SOCKET_BAD) {
pfd[num].fd = writefd;
pfd[num].events = POLLOUT;
pfd[num].events = POLLWRNORM|POLLOUT;
pfd[num].revents = 0;
num++;
}
@ -233,23 +233,15 @@ int Curl_socket_ready(curl_socket_t readfd, curl_socket_t writefd, int timeout_m
ret = 0;
num = 0;
if (readfd != CURL_SOCKET_BAD) {
if (pfd[num].revents & (POLLIN|POLLHUP))
if (pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
ret |= CSELECT_IN;
if (pfd[num].revents & POLLERR) {
#ifdef __CYGWIN__
/* Cygwin 1.5.21 needs this hack to pass test 160 */
if (ERRNO == EINPROGRESS)
ret |= CSELECT_IN;
else
#endif
if (pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
ret |= CSELECT_ERR;
}
num++;
}
if (writefd != CURL_SOCKET_BAD) {
if (pfd[num].revents & POLLOUT)
if (pfd[num].revents & (POLLWRNORM|POLLOUT))
ret |= CSELECT_OUT;
if (pfd[num].revents & (POLLERR|POLLHUP))
if (pfd[num].revents & (POLLERR|POLLHUP|POLLNVAL))
ret |= CSELECT_ERR;
}
@ -385,14 +377,15 @@ int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms)
if (ufds[i].fd == CURL_SOCKET_BAD)
continue;
VERIFY_SOCK(ufds[i].fd);
if (ufds[i].events & (POLLIN|POLLOUT|POLLERR)) {
if (ufds[i].events & (POLLIN|POLLOUT|POLLPRI|
POLLRDNORM|POLLWRNORM|POLLRDBAND)) {
if (ufds[i].fd > maxfd)
maxfd = ufds[i].fd;
if (ufds[i].events & POLLIN)
if (ufds[i].events & (POLLRDNORM|POLLIN))
FD_SET(ufds[i].fd, &fds_read);
if (ufds[i].events & POLLOUT)
if (ufds[i].events & (POLLWRNORM|POLLOUT))
FD_SET(ufds[i].fd, &fds_write);
if (ufds[i].events & POLLERR)
if (ufds[i].events & (POLLRDBAND|POLLPRI))
FD_SET(ufds[i].fd, &fds_err);
}
}
@ -424,7 +417,7 @@ int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms)
if (FD_ISSET(ufds[i].fd, &fds_write))
ufds[i].revents |= POLLOUT;
if (FD_ISSET(ufds[i].fd, &fds_err))
ufds[i].revents |= POLLERR;
ufds[i].revents |= POLLPRI;
if (ufds[i].revents != 0)
r++;
}