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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
commit50ba0232fd5312410f1b65247e774244f89a628e (patch)
treefd8f2fc78e9e548af0ff9590276602ee6125be00 /tools/perf/ui/tui
parentReleasing progress-linux version 6.7.12-1~progress7.99u1. (diff)
downloadlinux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz
linux-50ba0232fd5312410f1b65247e774244f89a628e.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/ui/tui')
-rw-r--r--tools/perf/ui/tui/setup.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index 605d9e175e..16c6eff4d2 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -2,12 +2,14 @@
#include <signal.h>
#include <stdbool.h>
#include <stdlib.h>
+#include <termios.h>
#include <unistd.h>
#include <linux/kernel.h>
#ifdef HAVE_BACKTRACE_SUPPORT
#include <execinfo.h>
#endif
+#include "../../util/color.h"
#include "../../util/debug.h"
#include "../browser.h"
#include "../helpline.h"
@@ -121,6 +123,23 @@ static void ui__signal(int sig)
exit(0);
}
+static void ui__sigcont(int sig)
+{
+ static struct termios tty;
+
+ if (sig == SIGTSTP) {
+ while (tcgetattr(SLang_TT_Read_FD, &tty) == -1 && errno == EINTR)
+ ;
+ while (write(SLang_TT_Read_FD, PERF_COLOR_RESET, sizeof(PERF_COLOR_RESET) - 1) == -1 && errno == EINTR)
+ ;
+ raise(SIGSTOP);
+ } else {
+ while (tcsetattr(SLang_TT_Read_FD, TCSADRAIN, &tty) == -1 && errno == EINTR)
+ ;
+ raise(SIGWINCH);
+ }
+}
+
int ui__init(void)
{
int err;
@@ -135,6 +154,7 @@ int ui__init(void)
err = SLang_init_tty(-1, 0, 0);
if (err < 0)
goto out;
+ SLtty_set_suspend_state(true);
err = SLkp_init();
if (err < 0) {
@@ -149,6 +169,8 @@ int ui__init(void)
signal(SIGINT, ui__signal);
signal(SIGQUIT, ui__signal);
signal(SIGTERM, ui__signal);
+ signal(SIGTSTP, ui__sigcont);
+ signal(SIGCONT, ui__sigcont);
perf_error__register(&perf_tui_eops);