1 | // SPDX-License-Identifier: GPL-2.0 |
2 | #include <dlfcn.h> |
3 | #include <signal.h> |
4 | #include <unistd.h> |
5 | |
6 | #include <subcmd/pager.h> |
7 | #include "../util/debug.h" |
8 | #include "../util/hist.h" |
9 | #include "ui.h" |
10 | |
11 | struct mutex ui__lock; |
12 | void *perf_gtk_handle; |
13 | int use_browser = -1; |
14 | |
15 | #define PERF_GTK_DSO "libperf-gtk.so" |
16 | |
17 | #ifdef HAVE_GTK2_SUPPORT |
18 | |
19 | static int setup_gtk_browser(void) |
20 | { |
21 | int (*perf_ui_init)(void); |
22 | |
23 | if (perf_gtk_handle) |
24 | return 0; |
25 | |
26 | perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY); |
27 | if (perf_gtk_handle == NULL) { |
28 | char buf[PATH_MAX]; |
29 | scnprintf(buf, sizeof(buf), "%s/%s" , LIBDIR, PERF_GTK_DSO); |
30 | perf_gtk_handle = dlopen(buf, RTLD_LAZY); |
31 | } |
32 | if (perf_gtk_handle == NULL) |
33 | return -1; |
34 | |
35 | perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init" ); |
36 | if (perf_ui_init == NULL) |
37 | goto out_close; |
38 | |
39 | if (perf_ui_init() == 0) |
40 | return 0; |
41 | |
42 | out_close: |
43 | dlclose(perf_gtk_handle); |
44 | return -1; |
45 | } |
46 | |
47 | static void exit_gtk_browser(bool wait_for_ok) |
48 | { |
49 | void (*perf_ui_exit)(bool); |
50 | |
51 | if (perf_gtk_handle == NULL) |
52 | return; |
53 | |
54 | perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit" ); |
55 | if (perf_ui_exit == NULL) |
56 | goto out_close; |
57 | |
58 | perf_ui_exit(wait_for_ok); |
59 | |
60 | out_close: |
61 | dlclose(perf_gtk_handle); |
62 | |
63 | perf_gtk_handle = NULL; |
64 | } |
65 | #else |
66 | static inline int setup_gtk_browser(void) { return -1; } |
67 | static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {} |
68 | #endif |
69 | |
70 | int stdio__config_color(const struct option *opt __maybe_unused, |
71 | const char *mode, int unset __maybe_unused) |
72 | { |
73 | perf_use_color_default = perf_config_colorbool(var: "color.ui" , value: mode, stdout_is_tty: -1); |
74 | return 0; |
75 | } |
76 | |
77 | void setup_browser(bool ) |
78 | { |
79 | mutex_init(&ui__lock); |
80 | if (use_browser < 2 && (!isatty(1) || dump_trace)) |
81 | use_browser = 0; |
82 | |
83 | /* default to TUI */ |
84 | if (use_browser < 0) |
85 | use_browser = 1; |
86 | |
87 | switch (use_browser) { |
88 | case 2: |
89 | if (setup_gtk_browser() == 0) |
90 | break; |
91 | printf("GTK browser requested but could not find %s\n" , |
92 | PERF_GTK_DSO); |
93 | sleep(1); |
94 | use_browser = 1; |
95 | /* fall through */ |
96 | case 1: |
97 | if (ui__init() == 0) |
98 | break; |
99 | /* fall through */ |
100 | default: |
101 | use_browser = 0; |
102 | if (fallback_to_pager) |
103 | setup_pager(); |
104 | break; |
105 | } |
106 | } |
107 | |
108 | void exit_browser(bool wait_for_ok) |
109 | { |
110 | switch (use_browser) { |
111 | case 2: |
112 | exit_gtk_browser(wait_for_ok); |
113 | break; |
114 | |
115 | case 1: |
116 | ui__exit(wait_for_ok); |
117 | break; |
118 | |
119 | default: |
120 | break; |
121 | } |
122 | mutex_destroy(mtx: &ui__lock); |
123 | } |
124 | |
125 | void pthread__block_sigwinch(void) |
126 | { |
127 | sigset_t set; |
128 | |
129 | sigemptyset(set: &set); |
130 | sigaddset(set: &set, SIGWINCH); |
131 | pthread_sigmask(SIG_BLOCK, &set, NULL); |
132 | } |
133 | |
134 | void pthread__unblock_sigwinch(void) |
135 | { |
136 | sigset_t set; |
137 | |
138 | sigemptyset(set: &set); |
139 | sigaddset(set: &set, SIGWINCH); |
140 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); |
141 | } |
142 | |