Have S51 ignore SIGINT while running under sdcdb.

This prevents keyboard interrupts from accidentally stopping
s51.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/s51/s51-main.c b/s51/s51-main.c
index eef55157..96429988 100644
--- a/s51/s51-main.c
+++ b/s51/s51-main.c
@@ -150,7 +150,7 @@ main(int argc, char **argv)
 				perror("fdopen");
 				exit(1);
 			}
-			vec.sv_handler = s51_sigint;
+			vec.sv_handler = SIG_IGN;
 			vec.sv_mask = 0;
 			vec.sv_flags = 0;
 			sigvec(SIGINT, &vec, &ovec);