pollfd::fd is only used within LwIP.
 
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pollfd::fd field

Syntax

int fd;

References

LocationReferrerText
sockets.h:509
int fd;
sockets.c:2210lwip_pollscan()
if (fds[fdi].fd >= 0 && (fds[fdi].revents & POLLNVAL) == 0) {
sockets.c:2213lwip_pollscan()
sock = tryget_socket_unconn_locked(fds[fdi].fd);
sockets.c:2443lwip_poll_should_wake()
if (pollfd->fd == fd) {

Data Use

Functions reading pollfd::fd
pollfd::fd