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Thanks to this nice summary of poll() implementations:

Browse source 
http://www.greenend.org.uk/rjk/2001/06/poll.html and further tests by Eugene
Kotlyarov, we now know that cygwin's poll returns only POLLHUP on remote
connection closure so we check for that case (too) and re-enable poll for
cygwin builds.
This commit is contained in:
Daniel Stenberg 2005-11-13 09:24:06 +00:00
parent 8a712eb5af
commit c2862742ab
4 changed files with 11 additions and 4 deletions
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2
lib/select.c
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@ -104,7 +104,7 @@ int Curl_select(curl_socket_t readfd, curl_socket_t writefd, int timeout_ms)
ret = 0;
num = 0;
if (readfd != CURL_SOCKET_BAD) {
if (pfd[num].revents & POLLIN)
if (pfd[num].revents & (POLLIN|POLLHUP))
ret |= CSELECT_IN;
if (pfd[num].revents & POLLERR)
ret |= CSELECT_ERR;