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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142// SPDX-License-Identifier: GPL-2.0#include <dlfcn.h>#include <signal.h>#include <unistd.h>
#include <subcmd/pager.h>#include "../util/debug.h"#include "../util/hist.h"#include "ui.h"
struct mutex ui__lock;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;}#elsestatic 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){ mutex_init(&ui__lock); 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; } mutex_destroy(&ui__lock);}
void pthread__block_sigwinch(void){ sigset_t set;
sigemptyset(&set); sigaddset(&set, SIGWINCH); pthread_sigmask(SIG_BLOCK, &set, NULL);}
void pthread__unblock_sigwinch(void){ sigset_t set;
sigemptyset(&set); sigaddset(&set, SIGWINCH); pthread_sigmask(SIG_UNBLOCK, &set, NULL);}