#include <pthread.h> #include "../util/cache.h"#include "../util/debug.h"#include "../util/hist.h" pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; void setup_browser(bool fallback_to_pager){	if (!isatty(1) || dump_trace)		use_browser = 0; 	/* default to TUI */	if (use_browser < 0)		use_browser = 1; 	switch (use_browser) {	case 2:		if (perf_gtk__init() == 0)			break;		/* fall through */	case 1:		use_browser = 1;		if (ui__init() == 0)			break;		/* fall through */	default:		use_browser = 0;		if (fallback_to_pager)			setup_pager(); 		perf_hpp__init();		break;	}} void exit_browser(bool wait_for_ok){	switch (use_browser) {	case 2:		perf_gtk__exit(wait_for_ok);		break; 	case 1:		ui__exit(wait_for_ok);		break; 	default:		break;	}}