[tip:perf/core] perf top: Use set_term_quiet() instead of open coded equivalent

[tip-bot for Jiri Olsa]

Commit-ID:  3969cc094a9dbb40e624b259caa73c7a2056b249
Gitweb:     http://git.kernel.org/tip/3969cc094a9dbb40e624b259caa73c7a2056b249
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Fri, 15 Aug 2014 16:24:45 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Sun, 24 Aug 2014 08:11:18 -0300

perf top: Use set_term_quiet() instead of open coded equivalent

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jean Pihet <jean.pihet@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-h7n9te70flmaqfnj6l06ay6r@xxxxxxxxxxxxxx
[ Yanked this out of a patch containing this and some other change ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-top.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index a77ff6c..9848e27 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -433,18 +433,13 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
 
 	if (!perf_top__key_mapped(top, c)) {
 		struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
-		struct termios tc, save;
+		struct termios save;
 
 		perf_top__print_mapped_keys(top);
 		fprintf(stdout, "\nEnter selection, or unmapped key to continue: ");
 		fflush(stdout);
 
-		tcgetattr(0, &save);
-		tc = save;
-		tc.c_lflag &= ~(ICANON | ECHO);
-		tc.c_cc[VMIN] = 0;
-		tc.c_cc[VTIME] = 0;
-		tcsetattr(0, TCSANOW, &tc);
+		set_term_quiet_input(&save);
 
 		poll(&stdin_poll, 1, -1);
 		c = getc(stdin);
--
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