linux-stable/tools/perf/ui/setup.c
Arnaldo Carvalho de Melo fb71c86cc8 perf tools: Remove util.h from where it is not needed
Check that it is not needed and remove, fixing up some fallout for
places where it was only serving to get something else.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-9h6dg6lsqe2usyqjh5rrues4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-20 09:19:20 -03:00

121 lines
2.2 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <pthread.h>
#include <dlfcn.h>
#include <unistd.h>
#include <subcmd/pager.h>
#include "../util/debug.h"
#include "../util/hist.h"
#include "ui.h"
pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
void *perf_gtk_handle;
int use_browser = -1;
#define PERF_GTK_DSO "libperf-gtk.so"
#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
int stdio__config_color(const struct option *opt __maybe_unused,
const char *mode, int unset __maybe_unused)
{
perf_use_color_default = perf_config_colorbool("color.ui", mode, -1);
return 0;
}
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);
use_browser = 1;
/* fall through */
case 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;
}
}