int FAR PASCAL
WPUFDIsSet(
SOCKET fd,
fd_set FAR *set)
/*++
Routine Description:
Determines if a specific socket is a contained in an FD_SET.
Arguments:
s - A descriptor identifying the socket.
set - A pointer to an FD_SET.
Returns:
Returns TRUE if socket s is a member of set, otherwise FALSE.
--*/
{
int return_value;
return_value = __WSAFDIsSet(
fd,
set
);
return(return_value);
} // WPUFDIsSet
void
commSetEvents(int fd, int need_read, int need_write)
{
if (need_read && !__WSAFDIsSet(fd_table[fd].win32.handle, &global_readfds)) {
FD_SET(fd, &global_readfds);
nreadfds++;
} else if (!need_read && __WSAFDIsSet(fd_table[fd].win32.handle, &global_readfds)) {
FD_CLR(fd, &global_readfds);
nreadfds--;
}
if (need_write && !__WSAFDIsSet(fd_table[fd].win32.handle, &global_writefds)) {
FD_SET(fd, &global_writefds);
nwritefds++;
} else if (!need_write && __WSAFDIsSet(fd_table[fd].win32.handle, &global_writefds)) {
FD_CLR(fd, &global_writefds);
nwritefds--;
}
}
static int
do_comm_select(int msec)
{
int num, saved_errno;
struct timeval tv;
fd_set readfds;
fd_set writefds;
fd_set errfds;
int fd;
if (nreadfds + nwritefds == 0) {
assert(shutting_down);
return COMM_SHUTDOWN;
}
memcpy(&readfds, &global_readfds, sizeof(fd_set));
memcpy(&writefds, &global_writefds, sizeof(fd_set));
memcpy(&errfds, &global_writefds, sizeof(fd_set));
tv.tv_sec = msec / 1000;
tv.tv_usec = (msec % 1000) * 1000;
statCounter.syscalls.selects++;
num = select(Biggest_FD + 1, &readfds, &writefds, &errfds, &tv);
saved_errno = errno;
getCurrentTime();
debug(5, 5) ("do_comm_select: %d fds ready\n", num);
if (num < 0) {
if (ignoreErrno(saved_errno))
return COMM_OK;
debug(5, 1) ("comm_select: select failure: %s\n", xstrerror());
return COMM_ERROR;
}
statHistCount(&statCounter.select_fds_hist, num);
if (num == 0)
return COMM_TIMEOUT;
for (fd = 0; fd <= Biggest_FD; fd++) {
int read_event = __WSAFDIsSet(fd_table[fd].win32.handle, &readfds);
int write_event = __WSAFDIsSet(fd_table[fd].win32.handle, &writefds) || __WSAFDIsSet(fd_table[fd].win32.handle, &errfds);
if (read_event || write_event)
comm_call_handlers(fd, read_event, write_event);
}
return COMM_OK;
}
bool is_set(socket_type descriptor) const
{
return !!__WSAFDIsSet(descriptor,
const_cast<fd_set*>(reinterpret_cast<const fd_set*>(&fd_set_)));
}
int win32_fd_isset(int fd, fd_set *set)
{
return __WSAFDIsSet(fd, set);
}
