tools/perf/util/ui/setup.c

   1 #include <newt.h>
   2 #include <signal.h>
   3 #include <stdbool.h>
   4
   5 #include "../cache.h"
   6 #include "../debug.h"
   7 #include "browser.h"
   8 #include "helpline.h"
   9 #include "ui.h"
  10
  11 pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
  12
  13 static void newt_suspend(void *d __used)
  14 {
  15         newtSuspend();
  16         raise(SIGTSTP);
  17         newtResume();
  18 }
  19
  20 void setup_browser(bool fallback_to_pager)
  21 {
  22         if (!isatty(1) || !use_browser || dump_trace) {
  23                 use_browser = 0;
  24                 if (fallback_to_pager)
  25                         setup_pager();
  26                 return;
  27         }
  28
  29         use_browser = 1;
  30         newtInit();
  31         newtCls();
  32         newtSetSuspendCallback(newt_suspend, NULL);
  33         ui_helpline__init();
  34         ui_browser__init();
  35 }
  36
  37 void exit_browser(bool wait_for_ok)
  38 {
  39         if (use_browser > 0) {
  40                 if (wait_for_ok) {
  41                         char title[] = "Fatal Error", ok[] = "Ok";
  42                         newtWinMessage(title, ok, ui_helpline__last_msg);
  43                 }
  44                 newtFinished();
  45         }
  46 }