From: Michel Pollet <buserror@gmail.com>
Date: Tue, 15 Mar 2011 13:38:46 +0000 (+0000)
Subject: run_avr: Added a signal handler
X-Git-Tag: v1.0a8~6
X-Git-Url: https://git.htl-mechatronik.at/public/?a=commitdiff_plain;h=9033474287ed9b35a25bfd20b90d1bfd71848a2c;p=sx%2Fsimavr.git

run_avr: Added a signal handler

Catches control-C to make sure any VCD file is flushed

Signed-off-by: Michel Pollet <buserror@gmail.com>
---

diff --git a/simavr/sim/run_avr.c b/simavr/sim/run_avr.c
index ebc8b93..9e5bb04 100644
--- a/simavr/sim/run_avr.c
+++ b/simavr/sim/run_avr.c
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <libgen.h>
 #include <string.h>
+#include <signal.h>
 #include "sim_avr.h"
 #include "sim_elf.h"
 #include "sim_core.h"
@@ -48,6 +49,18 @@ void display_usage(char * app)
 	exit(1);
 }
 
+avr_t * avr = NULL;
+
+void
+sig_int(
+		int sign)
+{
+	printf("signal caught, simavr terminating\n");
+	if (avr)
+		avr_terminate(avr);
+	exit(0);
+}
+
 int main(int argc, char *argv[])
 {
 	elf_firmware_t f = {{0}};
@@ -127,7 +140,7 @@ int main(int argc, char *argv[])
 	if (f_cpu)
 		f.frequency = f_cpu;
 
-	avr_t * avr = avr_make_mcu_by_name(f.mmcu);
+	avr = avr_make_mcu_by_name(f.mmcu);
 	if (!avr) {
 		fprintf(stderr, "%s: AVR '%s' now known\n", argv[0], f.mmcu);
 		exit(1);
@@ -150,6 +163,9 @@ int main(int argc, char *argv[])
 		avr_gdb_init(avr);
 	}
 
+	signal(SIGINT, sig_int);
+	signal(SIGTERM, sig_int);
+
 	for (;;)
 		avr_run(avr);