summaryrefslogtreecommitdiffstats
path: root/redhat/tdebase/kdebase-3.5.13-engage_lock_in_near_real_time_continued.patch
blob: fd39f061d99f13e2e530210f9b739cf1149c11c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
commit 4952641328f28a541e3fdf2200df4e1e4b11d5dd
Author: Timothy Pearson <[email protected]>
Date:   1328994151 -0600

    Commit the rest of 8d521d0b, not merged due to GIT glitch

diff --git a/kdesktop/lock/main.cc b/kdesktop/lock/main.cc
index 132ff30..4edd1b3 100644
--- a/kdesktop/lock/main.cc
+++ b/kdesktop/lock/main.cc
@@ -73,140 +73,241 @@ static KCmdLineOptions options[] =
    { "dontlock", I18N_NOOP("Only start screensaver"), 0 },
    { "securedialog", I18N_NOOP("Launch the secure dialog"), 0 },
    { "blank", I18N_NOOP("Only use the blank screensaver"), 0 },
+   { "internal <pid>", I18N_NOOP("TDE internal command for background process loading"), 0 },
    KCmdLineLastOption
 };
 
+static void sigusr1_handler(int)
+{
+    signalled_forcelock = TRUE;
+}
+
+static void sigusr2_handler(int)
+{
+    signalled_dontlock = TRUE;
+}
+
+static void sigusr3_handler(int)
+{
+    signalled_securedialog = TRUE;
+}
+
+static void sigusr4_handler(int)
+{
+    signalled_blank = TRUE;
+}
+
+static void sigusr5_handler(int)
+{
+    signalled_run = TRUE;
+}
+
 // -----------------------------------------------------------------------------
 
 int main( int argc, char **argv )
 {
     KLocale::setMainCatalogue("kdesktop");
 
-    KCmdLineArgs::init( argc, argv, "kdesktop_lock", I18N_NOOP("KDesktop Locker"), I18N_NOOP("Session Locker for KDesktop"), "2.0" );
+    KCmdLineArgs::init( argc, argv, "kdesktop_lock", I18N_NOOP("KDesktop Locker"), I18N_NOOP("Session Locker for KDesktop"), "2.1" );
     KCmdLineArgs::addCmdLineOptions( options );
     KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
 
-    if (args->isSet( "forcelock" ))
-        trinity_desktop_lock_forced = TRUE;
-
     putenv(strdup("SESSION_MANAGER="));
 
     KApplication::disableAutoDcopRegistration(); // not needed
 
-    int kdesktop_screen_number = 0;
-    int starting_screen = 0;
-
-    bool child = false;
-    int parent_connection = 0; // socket to the parent saver
-    TQValueList<int> child_sockets;
-
-    if (KGlobalSettings::isMultiHead())
-    {
-        Display *dpy = XOpenDisplay(NULL);
-        if (! dpy) {
-            fprintf(stderr,
-                    "%s: FATAL ERROR: couldn't open display '%s'\n",
-                    argv[0], XDisplayName(NULL));
-            exit(1);
-        }
+    while (1 == 1) {
+        signalled_forcelock = FALSE;
+        signalled_dontlock = FALSE;
+        signalled_securedialog = FALSE;
+        signalled_blank = FALSE;
+        signalled_run = FALSE;
 
-        int number_of_screens = ScreenCount(dpy);
-        starting_screen = kdesktop_screen_number = DefaultScreen(dpy);
-        int pos;
-        TQCString display_name = XDisplayString(dpy);
-        XCloseDisplay(dpy);
-        kdDebug() << "screen " << number_of_screens << " " << kdesktop_screen_number << " " << display_name << " " << starting_screen << endl;
-        dpy = 0;
-
-        if ((pos = display_name.findRev('.')) != -1)
-            display_name.remove(pos, 10);
-
-        TQCString env;
-        if (number_of_screens != 1) {
-            for (int i = 0; i < number_of_screens; i++) {
-                if (i != starting_screen) {
-                    int fd[2];
-                    if (pipe(fd)) {
-                        perror("pipe");
-                        break;
-                    }
-                    if (fork() == 0) {
-                        child = true;
-                        kdesktop_screen_number = i;
-                        parent_connection = fd[0];
-                        // break here because we are the child process, we don't
-                        // want to fork() anymore
-                        break;
-                    } else {
-                        child_sockets.append(fd[1]);
+        int kdesktop_screen_number = 0;
+        int starting_screen = 0;
+
+        bool child = false;
+        int parent_connection = 0; // socket to the parent saver
+        TQValueList<int> child_sockets;
+
+        if (KGlobalSettings::isMultiHead())
+        {
+            Display *dpy = XOpenDisplay(NULL);
+            if (! dpy) {
+                fprintf(stderr,
+                        "%s: FATAL ERROR: couldn't open display '%s'\n",
+                        argv[0], XDisplayName(NULL));
+                exit(1);
+            }
+
+            int number_of_screens = ScreenCount(dpy);
+            starting_screen = kdesktop_screen_number = DefaultScreen(dpy);
+            int pos;
+            TQCString display_name = XDisplayString(dpy);
+            XCloseDisplay(dpy);
+            kdDebug() << "screen " << number_of_screens << " " << kdesktop_screen_number << " " << display_name << " " << starting_screen << endl;
+            dpy = 0;
+
+            if ((pos = display_name.findRev('.')) != -1)
+                display_name.remove(pos, 10);
+
+            TQCString env;
+            if (number_of_screens != 1) {
+                for (int i = 0; i < number_of_screens; i++) {
+                    if (i != starting_screen) {
+                        int fd[2];
+                        if (pipe(fd)) {
+                            perror("pipe");
+                            break;
+                        }
+                        if (fork() == 0) {
+                            child = true;
+                            kdesktop_screen_number = i;
+                            parent_connection = fd[0];
+                            // break here because we are the child process, we don't
+                            // want to fork() anymore
+                            break;
+                        } else {
+                            child_sockets.append(fd[1]);
+                        }
                     }
                 }
-            }
 
-            env.sprintf("DISPLAY=%s.%d", display_name.data(),
-                        kdesktop_screen_number);
-            kdDebug() << "env " << env << endl;
+                env.sprintf("DISPLAY=%s.%d", display_name.data(),
+                            kdesktop_screen_number);
+                kdDebug() << "env " << env << endl;
 
-            if (putenv(strdup(env.data()))) {
-                fprintf(stderr,
-                        "%s: WARNING: unable to set DISPLAY environment variable\n",
-                        argv[0]);
-                perror("putenv()");
+                if (putenv(strdup(env.data()))) {
+                    fprintf(stderr,
+                            "%s: WARNING: unable to set DISPLAY environment variable\n",
+                            argv[0]);
+                    perror("putenv()");
+                }
             }
         }
-    }
 
-    MyApp app;
-    kdDebug() << "app " << kdesktop_screen_number << " " << starting_screen << " " << child << " " << child_sockets.count() << " " << parent_connection << endl;
-    app.disableSessionManagement();
-    KGlobal::locale()->insertCatalogue("libdmctl");
-
-    // we need to read from the right rc file - possibly taking screen number in account
-    KDesktopSettings::instance("kdesktoprc");
-
-    trinity_desktop_lock_use_system_modal_dialogs = !KDesktopSettings::useUnmanagedLockWindows();
-    trinity_desktop_lock_delay_screensaver_start = KDesktopSettings::delaySaverStart();
-    trinity_desktop_lock_use_sak = KDesktopSettings::useTDESAK();
-
-    LockProcess process(child, args->isSet( "blank" ));
-    if (!child)
-        process.setChildren(child_sockets);
-    else
-        process.setParent(parent_connection);
-
-    bool rt;
-    bool sig = false;
-    if( !child && args->isSet( "forcelock" ))
-    {
-        rt = process.lock();
-        sig = true;
-    }
-    else if( child || args->isSet( "dontlock" )) {
-        rt = process.dontLock();
-    }
-    else if( child || args->isSet( "securedialog" )) {
-        int retcode = tde_sak_verify_calling_process();
-        if (retcode == 0) {
-            rt = process.runSecureDialog();
+        MyApp app;
+        kdDebug() << "app " << kdesktop_screen_number << " " << starting_screen << " " << child << " " << child_sockets.count() << " " << parent_connection << endl;
+        app.disableSessionManagement();
+        KGlobal::locale()->insertCatalogue("libdmctl");
+
+        // we need to read from the right rc file - possibly taking screen number in account
+        KDesktopSettings::instance("kdesktoprc");
+
+        trinity_desktop_lock_use_system_modal_dialogs = !KDesktopSettings::useUnmanagedLockWindows();
+        trinity_desktop_lock_delay_screensaver_start = KDesktopSettings::delaySaverStart();
+        trinity_desktop_lock_use_sak = KDesktopSettings::useTDESAK();
+
+        if (args->isSet( "internal" )) {
+            while (signalled_run == FALSE) {
+                sigset_t new_mask;
+                struct sigaction act;
+
+                in_internal_mode = TRUE;
+
+                // handle SIGUSR1
+                act.sa_handler= sigusr1_handler;
+                sigemptyset(&(act.sa_mask));
+                sigaddset(&(act.sa_mask), SIGUSR1);
+                act.sa_flags = 0;
+                sigaction(SIGUSR1, &act, 0L);
+                // handle SIGUSR2
+                act.sa_handler= sigusr2_handler;
+                sigemptyset(&(act.sa_mask));
+                sigaddset(&(act.sa_mask), SIGUSR2);
+                act.sa_flags = 0;
+                sigaction(SIGUSR2, &act, 0L);
+                // handle SIGWINCH (an ersatz SIGUSR3)
+                act.sa_handler= sigusr3_handler;
+                sigemptyset(&(act.sa_mask));
+                sigaddset(&(act.sa_mask), SIGWINCH);
+                act.sa_flags = 0;
+                sigaction(SIGWINCH, &act, 0L);
+                // handle SIGTTIN (an ersatz SIGUSR4)
+                act.sa_handler= sigusr4_handler;
+                sigemptyset(&(act.sa_mask));
+                sigaddset(&(act.sa_mask), SIGTTIN);
+                act.sa_flags = 0;
+                sigaction(SIGTTIN, &act, 0L);
+                // handle SIGTTOU (an ersatz SIGUSR5)
+                act.sa_handler= sigusr5_handler;
+                sigemptyset(&(act.sa_mask));
+                sigaddset(&(act.sa_mask), SIGTTOU);
+                act.sa_flags = 0;
+                sigaction(SIGTTOU, &act, 0L);
+
+                // initialize the signal masks
+                sigfillset(&new_mask);
+                sigdelset(&new_mask,SIGUSR1);
+                sigdelset(&new_mask,SIGUSR2);
+                sigdelset(&new_mask,SIGWINCH);
+                sigdelset(&new_mask,SIGTTIN);
+                sigdelset(&new_mask,SIGTTOU);
+
+                // wait for SIGUSR1, SIGUSR2, SIGWINCH, SIGTTIN, or SIGTTOU
+                sigsuspend(&new_mask);
+            }
+        }
+
+        if (args->isSet( "forcelock" ) || (signalled_forcelock == TRUE))
+            trinity_desktop_lock_forced = TRUE;
+
+        LockProcess process(child, (args->isSet( "blank" ) || (signalled_blank == TRUE)));
+        if (!child)
+            process.setChildren(child_sockets);
+        else
+            process.setParent(parent_connection);
+
+        bool rt;
+        bool sig = false;
+        if( !child && (args->isSet( "forcelock" ) || (signalled_forcelock == TRUE)))
+        {
+            rt = process.lock();
+            sig = true;
+        }
+        else if( child || (args->isSet( "dontlock" ) || (signalled_dontlock == TRUE))) {
+            rt = process.dontLock();
+        }
+        else if( child || (args->isSet( "securedialog" ) || (signalled_securedialog == TRUE))) {
+            int retcode = tde_sak_verify_calling_process();
+            if (retcode == 0) {
+                rt = process.runSecureDialog();
+            }
+            else {
+                return 1;
+            }
         }
         else {
+            rt = process.defaultSave();
+        }
+        if (!rt) {
             return 0;
         }
-    }
-    else {
-        rt = process.defaultSave();
-    }
-    if (!rt) {
-        return 0;
-    }
 
-    if( sig )
-    {
-        DCOPRef ref( "kdesktop", "KScreensaverIface");
-        ref.send( "saverLockReady" );
-    }
+        if( sig )
+        {
+            DCOPRef ref( "kdesktop", "KScreensaverIface");
+            ref.send( "saverLockReady" );
+        }
+
+        if (in_internal_mode == FALSE) {
+            return app.exec();
+        }
+        else {
+            pid_t kdesktop_pid = atoi(args->getOption( "internal" ));
+            app.exec();
+            if (kill(kdesktop_pid, SIGUSR1) < 0) {
+                // The controlling kdesktop process probably died.  Commit suicide...
+                return 12;
+            }
 
-    return app.exec();
+            // FIXME
+            // We should not have to return (restart) at all,
+            // but it seems that some X11 connections are left active,
+            // preventing the lock process from restarting properly in the while() loop above.
+            return 0;
+        }
+    }
 }
 
 #include "main.moc"