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- #include <pthread.h>
- #include <dlfcn.h>
- #include "../util/cache.h"
- #include "../util/debug.h"
- #include "../util/hist.h"
- pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
- void *perf_gtk_handle;
- #ifdef HAVE_GTK2_SUPPORT
- static int setup_gtk_browser(void)
- {
- int (*perf_ui_init)(void);
- if (perf_gtk_handle)
- return 0;
- perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY);
- if (perf_gtk_handle == NULL) {
- char buf[PATH_MAX];
- scnprintf(buf, sizeof(buf), "%s/%s", LIBDIR, PERF_GTK_DSO);
- perf_gtk_handle = dlopen(buf, RTLD_LAZY);
- }
- if (perf_gtk_handle == NULL)
- return -1;
- perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init");
- if (perf_ui_init == NULL)
- goto out_close;
- if (perf_ui_init() == 0)
- return 0;
- out_close:
- dlclose(perf_gtk_handle);
- return -1;
- }
- static void exit_gtk_browser(bool wait_for_ok)
- {
- void (*perf_ui_exit)(bool);
- if (perf_gtk_handle == NULL)
- return;
- perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit");
- if (perf_ui_exit == NULL)
- goto out_close;
- perf_ui_exit(wait_for_ok);
- out_close:
- dlclose(perf_gtk_handle);
- perf_gtk_handle = NULL;
- }
- #else
- static inline int setup_gtk_browser(void) { return -1; }
- static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {}
- #endif
- void setup_browser(bool fallback_to_pager)
- {
- if (use_browser < 2 && (!isatty(1) || dump_trace))
- use_browser = 0;
- /* default to TUI */
- if (use_browser < 0)
- use_browser = 1;
- switch (use_browser) {
- case 2:
- if (setup_gtk_browser() == 0)
- break;
- printf("GTK browser requested but could not find %s\n",
- PERF_GTK_DSO);
- sleep(1);
- /* fall through */
- case 1:
- use_browser = 1;
- if (ui__init() == 0)
- break;
- /* fall through */
- default:
- use_browser = 0;
- if (fallback_to_pager)
- setup_pager();
- break;
- }
- }
- void exit_browser(bool wait_for_ok)
- {
- switch (use_browser) {
- case 2:
- exit_gtk_browser(wait_for_ok);
- break;
- case 1:
- ui__exit(wait_for_ok);
- break;
- default:
- break;
- }
- }
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