Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 08/20] perf tools: Add set_term_quiet_input helper function | Date | Mon, 11 Aug 2014 10:50:02 +0200 |
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Adding set_term_quiet_input helper to set the terminal quiet. It will be used in following patches.
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/util.c | 13 +++++++++++++ tools/perf/util/util.h | 2 ++ 2 files changed, 15 insertions(+)
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index b82a93cb1694..25822bdf7bbf 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -13,6 +13,7 @@ #include <limits.h> #include <byteswap.h> #include <linux/kernel.h> +#include <unistd.h> /* * XXX We need to find a better place for these things... @@ -282,6 +283,18 @@ void get_term_dimensions(struct winsize *ws) ws->ws_col = 80; } +void set_term_quiet_input(struct termios *old) +{ + struct termios tc; + + tcgetattr(0, old); + tc = *old; + tc.c_lflag &= ~(ICANON | ECHO); + tc.c_cc[VMIN] = 0; + tc.c_cc[VTIME] = 0; + tcsetattr(0, TCSANOW, &tc); +} + static void set_tracing_events_path(const char *mountpoint) { snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s", diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 03a1ea2266b8..d6a79b1fb28c 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -75,6 +75,7 @@ #include <api/fs/debugfs.h> #include <termios.h> #include <linux/bitops.h> +#include <termios.h> extern const char *graph_line; extern const char *graph_dotted_line; @@ -308,6 +309,7 @@ extern unsigned int page_size; extern int cacheline_size; void get_term_dimensions(struct winsize *ws); +void set_term_quiet_input(struct termios *old); struct parse_tag { char tag; -- 1.8.3.1
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