diff options
Diffstat (limited to 'gdb/inflow.c')
| -rw-r--r-- | gdb/inflow.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/gdb/inflow.c b/gdb/inflow.c index 4ccbd36..0956142 100644 --- a/gdb/inflow.c +++ b/gdb/inflow.c @@ -545,7 +545,7 @@ kill_command (arg, from_tty) /* Killing off the inferior can leave us with a core file. If so, print the state we are left in. */ if (target_has_stack) { - printf_filtered ("In %s,\n", current_target->to_longname); + printf_filtered ("In %s,\n", target_longname); if (selected_frame == NULL) fputs_filtered ("No selected stack frame.\n", gdb_stdout); else @@ -578,6 +578,67 @@ clear_sigint_trap() signal (SIGINT, osig); } +#if defined (SIGIO) && defined (FASYNC) && defined (FD_SET) +static void (*old_sigio) (); + +static void +handle_sigio (signo) + int signo; +{ + int numfds; + fd_set readfds; + + signal (SIGIO, handle_sigio); + + FD_ZERO (&readfds); + FD_SET (target_activity_fd, &readfds); + numfds = select (target_activity_fd + 1, &readfds, NULL, NULL, NULL); + if (numfds >= 0 && FD_ISSET (target_activity_fd, &readfds)) + { + if ((*target_activity_function) ()) + kill (inferior_pid, SIGINT); + } +} + +static int old_fcntl_flags; + +void +set_sigio_trap () +{ + if (target_activity_function) + { + old_sigio = (void (*) ()) signal (SIGIO, handle_sigio); + fcntl (target_activity_fd, F_SETOWN, getpid()); + old_fcntl_flags = fcntl (target_activity_fd, F_GETFL, 0); + fcntl (target_activity_fd, F_SETFL, old_fcntl_flags | FASYNC); + } +} + +void +clear_sigio_trap () +{ + if (target_activity_function) + { + signal (SIGIO, old_sigio); + fcntl (target_activity_fd, F_SETFL, old_fcntl_flags); + } +} +#else /* No SIGIO. */ +void +set_sigio_trap () +{ + if (target_activity_function) + abort (); +} + +void +clear_sigio_trap () +{ + if (target_activity_function) + abort (); +} +#endif /* No SIGIO. */ + /* This is here because this is where we figure out whether we (probably) have job control. Just using job_control only does part of it because |