/* Wrapper function for create_file_handler, so that the caller
doesn't have to know implementation details about the use of poll
vs. select. */
void
add_file_handler (int fd, handler_func * proc, gdb_client_data client_data)
{
#ifdef HAVE_POLL
struct pollfd fds;
#endif
if (use_poll)
{
#ifdef HAVE_POLL
/* Check to see if poll () is usable. If not, we'll switch to
use select. This can happen on systems like
m68k-motorola-sys, `poll' cannot be used to wait for `stdin'.
On m68k-motorola-sysv, tty's are not stream-based and not
`poll'able. */
fds.fd = fd;
fds.events = POLLIN;
if (poll (&fds, 1, 0) == 1 && (fds.revents & POLLNVAL))
use_poll = 0;
#else
internal_error ("event-loop.c : use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
if (use_poll)
{
#ifdef HAVE_POLL
create_file_handler (fd, POLLIN, proc, client_data);
#else
internal_error ("event-loop.c : use_poll without HAVE_POLL");
#endif
}
else
create_file_handler (fd, GDB_READABLE | GDB_EXCEPTION, proc, client_data);
}
void
add_file_handler (gdb_fildes_t fd,
handler_func *proc, gdb_client_data client_data)
{
create_file_handler (fd, GDB_READABLE | GDB_EXCEPTION, proc, client_data);
}
