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select: stop treating POLLRDBAND as an error

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POLLRDBAND does not seem to be an general error and on Windows the value
for POLLIN is 768 and the value for POLLRDBAND is 512.

Fixes #10501
Reported-by: opensslonzos-github on github
Closes #10592
This commit is contained in:
Daniel Stenberg 2023-02-23 12:19:26 +01:00
parent 5da5684cec
commit 0242eba06e
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 2 additions and 2 deletions
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4
lib/select.c
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@ -230,14 +230,14 @@ int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */
if(readfd0 != CURL_SOCKET_BAD) {
if(pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
r |= CURL_CSELECT_IN;
if(pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
if(pfd[num].revents & (POLLPRI|POLLNVAL))
r |= CURL_CSELECT_ERR;
num++;
}
if(readfd1 != CURL_SOCKET_BAD) {
if(pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
r |= CURL_CSELECT_IN2;
if(pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
if(pfd[num].revents & (POLLPRI|POLLNVAL))
r |= CURL_CSELECT_ERR;
num++;
}