/* Tell the event loop what to do if SIGINT is received.
See event-signal.c. */
void
handle_sigint (int sig)
{
signal (sig, handle_sigint);
/* We used to set the quit flag in async_request_quit, which is either
called when immediate_quit is 1, or when we get back to the event
loop. This is wrong, because you could be running in a loop reading
in symfiles or something, and it could be quite a while before you
get to the event loop. Instead, set quit_flag to 1 here, then mark
the sigint handler as ready. Then if somebody calls QUIT before you
get to the event loop, they will unwind as expected. */
quit_flag = 1;
/* If immediate_quit is set, we go ahead and process the SIGINT right
away, even if we usually would defer this to the event loop. The
assumption here is that it is safe to process ^C immediately if
immediate_quit is set. If we didn't, SIGINT would be really
processed only the next time through the event loop. To get to
that point, though, the command that we want to interrupt needs to
finish first, which is unacceptable. */
if (immediate_quit)
async_request_quit (0);
else
/* If immediate quit is not set, we process SIGINT the next time
through the loop, which is fine. */
mark_async_signal_handler_wrapper (sigint_token);
}
/* Tell the event loop what to do if SIGINT is received.
See event-signal.c. */
void
handle_sigint (int sig)
{
signal (sig, handle_sigint);
/* We could be running in a loop reading in symfiles or something so
it may be quite a while before we get back to the event loop. So
set quit_flag to 1 here. Then if QUIT is called before we get to
the event loop, we will unwind as expected. */
quit_flag = 1;
/* If immediate_quit is set, we go ahead and process the SIGINT right
away, even if we usually would defer this to the event loop. The
assumption here is that it is safe to process ^C immediately if
immediate_quit is set. If we didn't, SIGINT would be really
processed only the next time through the event loop. To get to
that point, though, the command that we want to interrupt needs to
finish first, which is unacceptable. */
if (immediate_quit)
async_request_quit (0);
else
/* If immediate quit is not set, we process SIGINT the next time
through the loop, which is fine. */
mark_async_signal_handler_wrapper (sigint_token);
}
/* Tell the event loop what to do if SIGINT is received.
See event-signal.c. */
void
handle_sigint (int sig)
{
signal (sig, handle_sigint);
/* If immediate_quit is set, we go ahead and process the SIGINT right
away, even if we usually would defer this to the event loop. The
assumption here is that it is safe to process ^C immediately if
immediate_quit is set. If we didn't, SIGINT would be really
processed only the next time through the event loop. To get to
that point, though, the command that we want to interrupt needs to
finish first, which is unacceptable. */
if (immediate_quit)
async_request_quit (0);
else
/* If immediate quit is not set, we process SIGINT the next time
through the loop, which is fine. */
mark_async_signal_handler_wrapper (sigint_token);
}