+2006-06-10 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * mingw-hdep.c (gdb_select): Always check for NULL fd sets
+ before calling FD_ISSET. Correct check for exceptfds which
+ previously tested writefds.
+
2006-06-09 Daniel Jacobowitz <dan@codesourcery.com>
Julian Brown <julian@codesourcery.com>
if something starts using it. */
gdb_assert (!writefds || !FD_ISSET (fd, writefds));
- if (!FD_ISSET (fd, readfds)
- && !FD_ISSET (fd, exceptfds))
+ if ((!readfds || !FD_ISSET (fd, readfds))
+ && (!exceptfds || !FD_ISSET (fd, exceptfds)))
continue;
h = (HANDLE) _get_osfhandle (fd);
except = never_handle;
}
- if (FD_ISSET (fd, readfds))
+ if (readfds && FD_ISSET (fd, readfds))
{
gdb_assert (num_handles < MAXIMUM_WAIT_OBJECTS);
handles[num_handles++] = read;
}
- if (FD_ISSET (fd, exceptfds))
+ if (exceptfds && FD_ISSET (fd, exceptfds))
{
gdb_assert (num_handles < MAXIMUM_WAIT_OBJECTS);
handles[num_handles++] = except;
HANDLE fd_h;
struct serial *scb;
- if (!FD_ISSET (fd, readfds) && !FD_ISSET (fd, writefds))
+ if ((!readfds || !FD_ISSET (fd, readfds))
+ && (!exceptfds || !FD_ISSET (fd, exceptfds)))
continue;
- if (FD_ISSET (fd, readfds))
+ if (readfds && FD_ISSET (fd, readfds))
{
fd_h = handles[indx++];
/* This handle might be ready, even though it wasn't the handle
num_ready++;
}
- if (FD_ISSET (fd, exceptfds))
+ if (exceptfds && FD_ISSET (fd, exceptfds))
{
fd_h = handles[indx++];
/* This handle might be ready, even though it wasn't the handle