1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/kernel.h>
7 #ifdef HAVE_BACKTRACE_SUPPORT
11 #include "../../util/cache.h"
12 #include "../../util/debug.h"
13 #include "../../util/util.h"
14 #include "../browser.h"
15 #include "../helpline.h"
18 #include "../libslang.h"
19 #include "../keysyms.h"
22 static volatile int ui__need_resize;
24 extern struct perf_error_ops perf_tui_eops;
25 extern bool tui_helpline__set;
27 extern void hist_browser__init_hpp(void);
29 void ui__refresh_dimensions(bool force)
31 if (force || ui__need_resize) {
33 pthread_mutex_lock(&ui__lock);
34 SLtt_get_screen_size();
36 pthread_mutex_unlock(&ui__lock);
40 static void ui__sigwinch(int sig __maybe_unused)
45 static void ui__setup_sigwinch(void)
53 pthread__unblock_sigwinch();
54 signal(SIGWINCH, ui__sigwinch);
57 int ui__getch(int delay_secs)
59 struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL;
69 timeout.tv_sec = delay_secs;
73 err = select(1, &read_set, NULL, NULL, ptimeout);
92 err = select(1, &read_set, NULL, NULL, &timeout);
100 #ifdef HAVE_BACKTRACE_SUPPORT
101 static void ui__signal_backtrace(int sig)
107 psignal(sig, "perf");
109 printf("-------- backtrace --------\n");
110 size = backtrace(stackdump, ARRAY_SIZE(stackdump));
111 backtrace_symbols_fd(stackdump, size, STDOUT_FILENO);
116 # define ui__signal_backtrace ui__signal
119 static void ui__signal(int sig)
122 psignal(sig, "perf");
132 SLtt_get_screen_size();
134 err = SLsmg_init_smg();
137 err = SLang_init_tty(-1, 0, 0);
143 pr_err("TUI initialization failed.\n");
147 SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB);
149 signal(SIGSEGV, ui__signal_backtrace);
150 signal(SIGFPE, ui__signal_backtrace);
151 signal(SIGINT, ui__signal);
152 signal(SIGQUIT, ui__signal);
153 signal(SIGTERM, ui__signal);
155 perf_error__register(&perf_tui_eops);
159 tui_progress__init();
161 hist_browser__init_hpp();
166 void ui__exit(bool wait_for_ok)
168 if (wait_for_ok && tui_helpline__set)
169 ui__question_window("Fatal Error",
170 ui_helpline__last_msg,
171 "Press any key...", 0);
173 SLtt_set_cursor_visibility(1);
178 perf_error__unregister(&perf_tui_eops);