22af969e8c
So that it can be set properly prior to set up output fields. That makes easy to handle/warn errors during the setup since it doesn't need to be bothered with the GUI. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1400480762-22852-11-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
107 lines
1.9 KiB
C
107 lines
1.9 KiB
C
#include <pthread.h>
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#include <dlfcn.h>
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#include "../util/cache.h"
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#include "../util/debug.h"
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#include "../util/hist.h"
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pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
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void *perf_gtk_handle;
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#ifdef HAVE_GTK2_SUPPORT
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static int setup_gtk_browser(void)
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{
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int (*perf_ui_init)(void);
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if (perf_gtk_handle)
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return 0;
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perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY);
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if (perf_gtk_handle == NULL) {
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char buf[PATH_MAX];
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scnprintf(buf, sizeof(buf), "%s/%s", LIBDIR, PERF_GTK_DSO);
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perf_gtk_handle = dlopen(buf, RTLD_LAZY);
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}
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if (perf_gtk_handle == NULL)
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return -1;
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perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init");
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if (perf_ui_init == NULL)
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goto out_close;
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if (perf_ui_init() == 0)
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return 0;
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out_close:
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dlclose(perf_gtk_handle);
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return -1;
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}
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static void exit_gtk_browser(bool wait_for_ok)
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{
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void (*perf_ui_exit)(bool);
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if (perf_gtk_handle == NULL)
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return;
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perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit");
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if (perf_ui_exit == NULL)
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goto out_close;
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perf_ui_exit(wait_for_ok);
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out_close:
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dlclose(perf_gtk_handle);
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perf_gtk_handle = NULL;
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}
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#else
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static inline int setup_gtk_browser(void) { return -1; }
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static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {}
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#endif
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void setup_browser(bool fallback_to_pager)
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{
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if (use_browser < 2 && (!isatty(1) || dump_trace))
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use_browser = 0;
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/* default to TUI */
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if (use_browser < 0)
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use_browser = 1;
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switch (use_browser) {
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case 2:
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if (setup_gtk_browser() == 0)
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break;
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printf("GTK browser requested but could not find %s\n",
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PERF_GTK_DSO);
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sleep(1);
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/* fall through */
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case 1:
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use_browser = 1;
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if (ui__init() == 0)
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break;
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/* fall through */
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default:
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use_browser = 0;
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if (fallback_to_pager)
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setup_pager();
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break;
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}
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}
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void exit_browser(bool wait_for_ok)
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{
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switch (use_browser) {
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case 2:
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exit_gtk_browser(wait_for_ok);
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break;
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case 1:
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ui__exit(wait_for_ok);
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break;
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default:
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break;
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}
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}
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