[tip:perf/core] perf tui: Make CTRL+Z suspend perf

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  73ae8f85fda49410a59d7b532ce69a0b811ef6d5
Gitweb:     http://git.kernel.org/tip/73ae8f85fda49410a59d7b532ce69a0b811ef6d5
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 30 Jul 2010 10:06:06 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 30 Jul 2010 10:06:06 -0300

perf tui: Make CTRL+Z suspend perf

Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/newt.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 28f74eb..91de99b 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -11,6 +11,7 @@
 #define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
 #endif
 #include <slang.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <newt.h>
 #include <sys/ttydefaults.h>
@@ -891,6 +892,13 @@ static struct newtPercentTreeColors {
 	"blue",	     "lightgray",
 };
 
+static void newt_suspend(void *d __used)
+{
+	newtSuspend();
+	raise(SIGTSTP);
+	newtResume();
+}
+
 void setup_browser(void)
 {
 	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
@@ -904,6 +912,7 @@ void setup_browser(void)
 	use_browser = 1;
 	newtInit();
 	newtCls();
+	newtSetSuspendCallback(newt_suspend, NULL);
 	ui_helpline__puts(" ");
 	sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
 	sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
--
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