From c3fb083d902e20a764a8d46a1fcfaede67df570b Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 4 Jun 2010 14:04:41 -0400
Subject: trace-cmd: Add signal handler for SIGINT in trace-cmd read

When python plugins are loaded, they override SIGINT, and it becomes
quite annoying that you can't stop a print with Ctrl-C. By adding
a signal handler for SIGINT, we can stop the output with Ctrl-C.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 trace-read.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/trace-read.c b/trace-read.c
index bbe34ba..a5c27e2 100644
--- a/trace-read.c
+++ b/trace-read.c
@@ -32,6 +32,7 @@
 #include <sys/mman.h>
 #include <pthread.h>
 #include <fcntl.h>
+#include <signal.h>
 #include <unistd.h>
 #include <ctype.h>
 #include <errno.h>
@@ -553,6 +554,12 @@ struct tracecmd_input *read_trace_header(void)
 	return tracecmd_alloc_fd(input_fd);
 }
 
+static void sig_end(int sig)
+{
+	fprintf(stderr, "trace-cmd: Received SIGINT\n");
+	exit(0);
+}
+
 void trace_report (int argc, char **argv)
 {
 	struct tracecmd_input *handle;
@@ -574,6 +581,8 @@ void trace_report (int argc, char **argv)
 	if (strcmp(argv[1], "report") != 0)
 		usage(argv);
 
+	signal(SIGINT, sig_end);
+
 	for (;;) {
 		int option_index = 0;
 		static struct option long_options[] = {
-- 
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