perf ui browser: Handle SIGWINCH

To do that we needed to stop using newtForm, as we don't want libnewt to
catch the xterm resize signal.

Remove some more newt calls and instead use the underlying libslang
directly. In time tools/perf will use just libslang.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-h1824yjiru5n2ivz4bseizwj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 5 insertions, 15 deletions

diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 674b55e686fd..1967fbf73998 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -196,11 +196,8 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
 
 	nd = self->curr_hot;
 
-	if (delay_secs != 0)
-		newtFormSetTimer(self->b.form, delay_secs * 1000);
-
 	while (1) {
-		key = ui_browser__run(&self->b);
+		key = ui_browser__run(&self->b, delay_secs);
 
 		if (delay_secs != 0) {
 			annotate_browser__calc_percent(self, evidx);
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index fdc3c90696dc..603d6ee5a0d7 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -301,7 +301,6 @@ static int hist_browser__run(struct hist_browser *self, const char *ev_name,
 			     void(*timer)(void *arg), void *arg, int delay_secs)
 {
 	int key;
-	int delay_msecs = delay_secs * 1000;
 	char title[160];
 	int sym_exit_keys[] = { 'a', 'h', 'C', 'd', 'E', 't', 0, };
 	int exit_keys[] = { '?', 'h', 'D', NEWT_KEY_LEFT, NEWT_KEY_RIGHT,
@@ -318,15 +317,12 @@ static int hist_browser__run(struct hist_browser *self, const char *ev_name,
 			     "Press '?' for help on key bindings") < 0)
 		return -1;
 
-	if (timer != NULL)
-		newtFormSetTimer(self->b.form, delay_msecs);
-
 	ui_browser__add_exit_keys(&self->b, exit_keys);
 	if (self->has_symbols)
 		ui_browser__add_exit_keys(&self->b, sym_exit_keys);
 
 	while (1) {
-		key = ui_browser__run(&self->b);
+		key = ui_browser__run(&self->b, delay_secs);
 
 		switch (key) {
 		case -1:
@@ -1061,7 +1057,6 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
 				void(*timer)(void *arg), void *arg, int delay_secs)
 {
 	int exit_keys[] = { NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
-	int delay_msecs = delay_secs * 1000;
 	struct perf_evlist *evlist = menu->b.priv;
 	struct perf_evsel *pos;
 	const char *ev_name, *title = "Available samples";
@@ -1071,13 +1066,10 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
 			     "ESC: exit, ENTER|->: Browse histograms") < 0)
 		return -1;
 
-	if (timer != NULL)
-		newtFormSetTimer(menu->b.form, delay_msecs);
-
 	ui_browser__add_exit_keys(&menu->b, exit_keys);
 
 	while (1) {
-		key = ui_browser__run(&menu->b);
+		key = ui_browser__run(&menu->b, delay_secs);
 
 		switch (key) {
 		case -1:
diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c
index 8462bffe20bc..499db76bac2f 100644
--- a/tools/perf/util/ui/browsers/map.c
+++ b/tools/perf/util/ui/browsers/map.c
@@ -1,5 +1,6 @@
 #include "../libslang.h"
 #include <elf.h>
+#include <newt.h>
 #include <inttypes.h>
 #include <sys/ttydefaults.h>
 #include <ctype.h>
@@ -112,7 +113,7 @@ static int map_browser__run(struct map_browser *self)
 		ui_browser__add_exit_key(&self->b, '/');
 
 	while (1) {
-		key = ui_browser__run(&self->b);
+		key = ui_browser__run(&self->b, 0);
 
 		if (verbose && key == '/')
 			map_browser__search(self);