1 |
/* |
2 |
* timer.cpp - Time Manager emulation |
3 |
* |
4 |
* SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig |
5 |
* |
6 |
* This program is free software; you can redistribute it and/or modify |
7 |
* it under the terms of the GNU General Public License as published by |
8 |
* the Free Software Foundation; either version 2 of the License, or |
9 |
* (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 |
*/ |
20 |
|
21 |
/* |
22 |
* TODO: Prime(0) |
23 |
*/ |
24 |
|
25 |
#include "sysdeps.h" |
26 |
#include "timer.h" |
27 |
#include "macos_util.h" |
28 |
#include "main.h" |
29 |
#include "cpu_emulation.h" |
30 |
|
31 |
#ifdef PRECISE_TIMING_POSIX |
32 |
#include <pthread.h> |
33 |
#include <semaphore.h> |
34 |
#endif |
35 |
|
36 |
#define DEBUG 0 |
37 |
#include "debug.h" |
38 |
|
39 |
|
40 |
#define TM_QUEUE 0 // Enable TMQueue management (doesn't work) |
41 |
|
42 |
|
43 |
// Definitions for Time Manager |
44 |
enum { // TMTask struct |
45 |
tmAddr = 6, |
46 |
tmCount = 10, |
47 |
tmWakeUp = 14, |
48 |
tmReserved = 18 |
49 |
}; |
50 |
|
51 |
|
52 |
// Array of additional info for each installed TMTask |
53 |
struct TMDesc { |
54 |
uint32 task; // Mac address of associated TMTask |
55 |
tm_time_t wakeup; // Time this task is scheduled for execution |
56 |
bool in_use; // Flag: descriptor in use |
57 |
}; |
58 |
|
59 |
const int NUM_DESCS = 64; // Maximum number of descriptors |
60 |
static TMDesc desc[NUM_DESCS]; |
61 |
|
62 |
#if PRECISE_TIMING |
63 |
#ifdef PRECISE_TIMING_BEOS |
64 |
static thread_id timer_thread = -1; |
65 |
static bool thread_active = true; |
66 |
static const tm_time_t wakeup_time_max = 0x7fffffffffffffff; |
67 |
static volatile tm_time_t wakeup_time = wakeup_time_max; |
68 |
static sem_id wakeup_time_sem = -1; |
69 |
static int32 timer_func(void *arg); |
70 |
#endif |
71 |
#ifdef PRECISE_TIMING_POSIX |
72 |
static pthread_t timer_thread; |
73 |
static bool timer_thread_active = false; |
74 |
static volatile bool timer_thread_cancel = false; |
75 |
static tm_time_t wakeup_time_max = { 0x7fffffff, 999999999 }; |
76 |
static tm_time_t wakeup_time = wakeup_time_max; |
77 |
static pthread_mutex_t wakeup_time_lock = PTHREAD_MUTEX_INITIALIZER; |
78 |
static void *timer_func(void *arg); |
79 |
#endif |
80 |
#endif |
81 |
|
82 |
|
83 |
/* |
84 |
* Allocate descriptor for given TMTask in list |
85 |
*/ |
86 |
|
87 |
static int alloc_desc(uint32 tm) |
88 |
{ |
89 |
// Search for first free descriptor |
90 |
for (int i=0; i<NUM_DESCS; i++) |
91 |
if (!desc[i].in_use) { |
92 |
desc[i].task = tm; |
93 |
desc[i].in_use = true; |
94 |
return i; |
95 |
} |
96 |
return -1; |
97 |
} |
98 |
|
99 |
|
100 |
/* |
101 |
* Free descriptor in list |
102 |
*/ |
103 |
|
104 |
inline static void free_desc(int i) |
105 |
{ |
106 |
desc[i].in_use = false; |
107 |
} |
108 |
|
109 |
|
110 |
/* |
111 |
* Find descriptor associated with given TMTask |
112 |
*/ |
113 |
|
114 |
inline static int find_desc(uint32 tm) |
115 |
{ |
116 |
for (int i=0; i<NUM_DESCS; i++) |
117 |
if (desc[i].in_use && desc[i].task == tm) |
118 |
return i; |
119 |
return -1; |
120 |
} |
121 |
|
122 |
|
123 |
/* |
124 |
* Enqueue task in Time Manager queue |
125 |
*/ |
126 |
|
127 |
static void enqueue_tm(uint32 tm) |
128 |
{ |
129 |
#if TM_QUEUE |
130 |
uint32 tm_var = ReadMacInt32(0xb30); |
131 |
WriteMacInt32(tm + qLink, ReadMacInt32(tm_var)); |
132 |
WriteMacInt32(tm_var, tm); |
133 |
#endif |
134 |
} |
135 |
|
136 |
|
137 |
/* |
138 |
* Remove task from Time Manager queue |
139 |
*/ |
140 |
|
141 |
static void dequeue_tm(uint32 tm) |
142 |
{ |
143 |
#if TM_QUEUE |
144 |
uint32 p = ReadMacInt32(0xb30); |
145 |
while (p) { |
146 |
uint32 next = ReadMacInt32(p + qLink); |
147 |
if (next == tm) { |
148 |
WriteMacInt32(p + qLink, ReadMacInt32(next + qLink)); |
149 |
return; |
150 |
} |
151 |
} |
152 |
#endif |
153 |
} |
154 |
|
155 |
|
156 |
/* |
157 |
* Timer thread operations |
158 |
*/ |
159 |
|
160 |
#ifdef PRECISE_TIMING_POSIX |
161 |
const int SIGSUSPEND = SIGRTMIN + 6; |
162 |
const int SIGRESUME = SIGRTMIN + 7; |
163 |
static struct sigaction sigsuspend_action; |
164 |
static struct sigaction sigresume_action; |
165 |
|
166 |
static int suspend_count = 0; |
167 |
static pthread_mutex_t suspend_count_lock = PTHREAD_MUTEX_INITIALIZER; |
168 |
static sem_t suspend_ack_sem; |
169 |
static sigset_t suspend_handler_mask; |
170 |
|
171 |
// Signal handler for suspended thread |
172 |
static void sigsuspend_handler(int sig) |
173 |
{ |
174 |
sem_post(&suspend_ack_sem); |
175 |
sigsuspend(&suspend_handler_mask); |
176 |
} |
177 |
|
178 |
// Signal handler for resumed thread |
179 |
static void sigresume_handler(int sig) |
180 |
{ |
181 |
/* simply trigger a signal to stop clock_nanosleep() */ |
182 |
} |
183 |
|
184 |
// Initialize timer thread |
185 |
static bool timer_thread_init(void) |
186 |
{ |
187 |
// Install suspend signal handler |
188 |
sigemptyset(&sigsuspend_action.sa_mask); |
189 |
sigaddset(&sigsuspend_action.sa_mask, SIGRESUME); |
190 |
sigsuspend_action.sa_handler = sigsuspend_handler; |
191 |
sigsuspend_action.sa_flags = SA_RESTART; |
192 |
#ifdef HAVE_SIGNAL_SA_RESTORER |
193 |
sigsuspend_action.sa_restorer = NULL; |
194 |
#endif |
195 |
if (sigaction(SIGSUSPEND, &sigsuspend_action, NULL) < 0) |
196 |
return false; |
197 |
|
198 |
// Install resume signal handler |
199 |
sigemptyset(&sigresume_action.sa_mask); |
200 |
sigresume_action.sa_handler = sigresume_handler; |
201 |
sigresume_action.sa_flags = SA_RESTART; |
202 |
#ifdef HAVE_SIGNAL_SA_RESTORER |
203 |
sigresume_action.sa_restorer = NULL; |
204 |
#endif |
205 |
if (sigaction(SIGRESUME, &sigresume_action, NULL) < 0) |
206 |
return false; |
207 |
|
208 |
// Initialize semaphore |
209 |
if (sem_init(&suspend_ack_sem, 0, 0) < 0) |
210 |
return false; |
211 |
|
212 |
// Initialize suspend_handler_mask, it excludes SIGRESUME |
213 |
if (sigfillset(&suspend_handler_mask) != 0) |
214 |
return false; |
215 |
if (sigdelset(&suspend_handler_mask, SIGRESUME) != 0) |
216 |
return false; |
217 |
|
218 |
// Create thread in running state |
219 |
suspend_count = 0; |
220 |
return (pthread_create(&timer_thread, NULL, timer_func, NULL) == 0); |
221 |
} |
222 |
|
223 |
// Kill timer thread |
224 |
static void timer_thread_kill(void) |
225 |
{ |
226 |
timer_thread_cancel = true; |
227 |
#ifdef HAVE_PTHREAD_CANCEL |
228 |
pthread_cancel(timer_thread); |
229 |
#endif |
230 |
pthread_join(timer_thread, NULL); |
231 |
} |
232 |
|
233 |
// Suspend timer thread |
234 |
static void timer_thread_suspend(void) |
235 |
{ |
236 |
pthread_mutex_lock(&suspend_count_lock); |
237 |
if (suspend_count == 0) { |
238 |
suspend_count ++; |
239 |
if (pthread_kill(timer_thread, SIGSUSPEND) == 0) |
240 |
sem_wait(&suspend_ack_sem); |
241 |
} |
242 |
pthread_mutex_unlock(&suspend_count_lock); |
243 |
} |
244 |
|
245 |
// Resume timer thread |
246 |
static void timer_thread_resume(void) |
247 |
{ |
248 |
pthread_mutex_lock(&suspend_count_lock); |
249 |
assert(suspend_count > 0); |
250 |
if (suspend_count == 1) { |
251 |
suspend_count = 0; |
252 |
pthread_kill(timer_thread, SIGRESUME); |
253 |
} |
254 |
pthread_mutex_unlock(&suspend_count_lock); |
255 |
} |
256 |
#endif |
257 |
|
258 |
|
259 |
/* |
260 |
* Initialize Time Manager |
261 |
*/ |
262 |
|
263 |
void TimerInit(void) |
264 |
{ |
265 |
// Mark all descriptors as inactive |
266 |
for (int i=0; i<NUM_DESCS; i++) |
267 |
free_desc(i); |
268 |
|
269 |
#if PRECISE_TIMING |
270 |
// Start timer thread |
271 |
#ifdef PRECISE_TIMING_BEOS |
272 |
wakeup_time_sem = create_sem(1, "Wakeup Time"); |
273 |
timer_thread = spawn_thread(timer_func, "Time Manager", B_REAL_TIME_PRIORITY, NULL); |
274 |
resume_thread(timer_thread); |
275 |
#endif |
276 |
#ifdef PRECISE_TIMING_POSIX |
277 |
timer_thread_active = timer_thread_init(); |
278 |
#endif |
279 |
#endif |
280 |
} |
281 |
|
282 |
|
283 |
/* |
284 |
* Exit Time Manager |
285 |
*/ |
286 |
|
287 |
void TimerExit(void) |
288 |
{ |
289 |
#if PRECISE_TIMING |
290 |
// Quit timer thread |
291 |
if (timer_thread > 0) { |
292 |
#ifdef PRECISE_TIMING_BEOS |
293 |
status_t l; |
294 |
thread_active = false; |
295 |
suspend_thread(timer_thread); |
296 |
resume_thread(timer_thread); |
297 |
wait_for_thread(timer_thread, &l); |
298 |
delete_sem(wakeup_time_sem); |
299 |
#endif |
300 |
#ifdef PRECISE_TIMING_POSIX |
301 |
timer_thread_kill(); |
302 |
#endif |
303 |
} |
304 |
#endif |
305 |
} |
306 |
|
307 |
|
308 |
/* |
309 |
* Emulator reset, remove all timer tasks |
310 |
*/ |
311 |
|
312 |
void TimerReset(void) |
313 |
{ |
314 |
// Mark all descriptors as inactive |
315 |
for (int i=0; i<NUM_DESCS; i++) |
316 |
free_desc(i); |
317 |
} |
318 |
|
319 |
|
320 |
/* |
321 |
* Insert timer task |
322 |
*/ |
323 |
|
324 |
int16 InsTime(uint32 tm, uint16 trap) |
325 |
{ |
326 |
D(bug("InsTime %08lx, trap %04x\n", tm, trap)); |
327 |
WriteMacInt16((uint32)tm + qType, ReadMacInt16((uint32)tm + qType) & 0x1fff | (trap << 4) & 0x6000); |
328 |
if (find_desc(tm) >= 0) |
329 |
printf("WARNING: InsTime(): Task re-inserted\n"); |
330 |
else { |
331 |
int i = alloc_desc(tm); |
332 |
if (i < 0) |
333 |
printf("FATAL: InsTime(): No free Time Manager descriptor\n"); |
334 |
} |
335 |
return 0; |
336 |
} |
337 |
|
338 |
|
339 |
/* |
340 |
* Remove timer task |
341 |
*/ |
342 |
|
343 |
int16 RmvTime(uint32 tm) |
344 |
{ |
345 |
D(bug("RmvTime %08lx\n", tm)); |
346 |
|
347 |
// Find descriptor |
348 |
int i = find_desc(tm); |
349 |
if (i < 0) { |
350 |
printf("WARNING: RmvTime(%08lx): Descriptor not found\n", tm); |
351 |
return 0; |
352 |
} |
353 |
|
354 |
// Task active? |
355 |
#if PRECISE_TIMING_BEOS |
356 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ; |
357 |
suspend_thread(timer_thread); |
358 |
#endif |
359 |
#if PRECISE_TIMING_POSIX |
360 |
timer_thread_suspend(); |
361 |
pthread_mutex_lock(&wakeup_time_lock); |
362 |
#endif |
363 |
if (ReadMacInt16(tm + qType) & 0x8000) { |
364 |
|
365 |
// Yes, make task inactive and remove it from the Time Manager queue |
366 |
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff); |
367 |
dequeue_tm(tm); |
368 |
#if PRECISE_TIMING |
369 |
// Look for next task to be called and set wakeup_time |
370 |
wakeup_time = wakeup_time_max; |
371 |
for (int j=0; j<NUM_DESCS; j++) { |
372 |
if (desc[j].in_use && (ReadMacInt16(desc[j].task + qType) & 0x8000)) |
373 |
if (timer_cmp_time(desc[j].wakeup, wakeup_time) < 0) |
374 |
wakeup_time = desc[j].wakeup; |
375 |
} |
376 |
#endif |
377 |
|
378 |
// Compute remaining time |
379 |
tm_time_t remaining, current; |
380 |
timer_current_time(current); |
381 |
timer_sub_time(remaining, desc[i].wakeup, current); |
382 |
WriteMacInt32(tm + tmCount, timer_host2mac_time(remaining)); |
383 |
} else |
384 |
WriteMacInt32(tm + tmCount, 0); |
385 |
D(bug(" tmCount %ld\n", ReadMacInt32(tm + tmCount))); |
386 |
#if PRECISE_TIMING_BEOS |
387 |
release_sem(wakeup_time_sem); |
388 |
thread_info info; |
389 |
do { |
390 |
resume_thread(timer_thread); // This will unblock the thread |
391 |
get_thread_info(timer_thread, &info); |
392 |
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?) |
393 |
#endif |
394 |
#if PRECISE_TIMING_POSIX |
395 |
pthread_mutex_unlock(&wakeup_time_lock); |
396 |
timer_thread_resume(); |
397 |
assert(suspend_count == 0); |
398 |
#endif |
399 |
|
400 |
// Free descriptor |
401 |
free_desc(i); |
402 |
return 0; |
403 |
} |
404 |
|
405 |
|
406 |
/* |
407 |
* Start timer task |
408 |
*/ |
409 |
|
410 |
int16 PrimeTime(uint32 tm, int32 time) |
411 |
{ |
412 |
D(bug("PrimeTime %08lx, time %ld\n", tm, time)); |
413 |
|
414 |
// Find descriptor |
415 |
int i = find_desc(tm); |
416 |
if (i < 0) { |
417 |
printf("FATAL: PrimeTime(): Descriptor not found\n"); |
418 |
return 0; |
419 |
} |
420 |
|
421 |
// Convert delay time |
422 |
tm_time_t delay; |
423 |
timer_mac2host_time(delay, time); |
424 |
|
425 |
// Extended task? |
426 |
if (ReadMacInt16(tm + qType) & 0x4000) { |
427 |
|
428 |
// Yes, tmWakeUp set? |
429 |
if (ReadMacInt32(tm + tmWakeUp)) { |
430 |
|
431 |
//!! PrimeTime(0) means continue previous delay |
432 |
// (save wakeup time in RmvTime?) |
433 |
if (time == 0) { |
434 |
printf("FATAL: Unsupported PrimeTime(0)\n"); |
435 |
return 0; |
436 |
} |
437 |
|
438 |
// Yes, calculate wakeup time relative to last scheduled time |
439 |
tm_time_t wakeup; |
440 |
timer_add_time(wakeup, desc[i].wakeup, delay); |
441 |
desc[i].wakeup = wakeup; |
442 |
|
443 |
} else { |
444 |
|
445 |
// No, calculate wakeup time relative to current time |
446 |
tm_time_t now; |
447 |
timer_current_time(now); |
448 |
timer_add_time(desc[i].wakeup, now, delay); |
449 |
} |
450 |
|
451 |
// Set tmWakeUp to indicate that task was scheduled |
452 |
WriteMacInt32(tm + tmWakeUp, 0x12345678); |
453 |
|
454 |
} else { |
455 |
|
456 |
// Not extended task, calculate wakeup time relative to current time |
457 |
tm_time_t now; |
458 |
timer_current_time(now); |
459 |
timer_add_time(desc[i].wakeup, now, delay); |
460 |
} |
461 |
|
462 |
// Make task active and enqueue it in the Time Manager queue |
463 |
#if PRECISE_TIMING_BEOS |
464 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ; |
465 |
suspend_thread(timer_thread); |
466 |
#endif |
467 |
#if PRECISE_TIMING_POSIX |
468 |
timer_thread_suspend(); |
469 |
pthread_mutex_lock(&wakeup_time_lock); |
470 |
#endif |
471 |
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) | 0x8000); |
472 |
enqueue_tm(tm); |
473 |
#if PRECISE_TIMING |
474 |
// Look for next task to be called and set wakeup_time |
475 |
wakeup_time = wakeup_time_max; |
476 |
for (int j=0; j<NUM_DESCS; j++) { |
477 |
if (desc[j].in_use && (ReadMacInt16(desc[j].task + qType) & 0x8000)) |
478 |
if (timer_cmp_time(desc[j].wakeup, wakeup_time) < 0) |
479 |
wakeup_time = desc[j].wakeup; |
480 |
} |
481 |
#ifdef PRECISE_TIMING_BEOS |
482 |
release_sem(wakeup_time_sem); |
483 |
thread_info info; |
484 |
do { |
485 |
resume_thread(timer_thread); // This will unblock the thread |
486 |
get_thread_info(timer_thread, &info); |
487 |
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?) |
488 |
#endif |
489 |
#ifdef PRECISE_TIMING_POSIX |
490 |
pthread_mutex_unlock(&wakeup_time_lock); |
491 |
timer_thread_resume(); |
492 |
assert(suspend_count == 0); |
493 |
#endif |
494 |
#endif |
495 |
return 0; |
496 |
} |
497 |
|
498 |
|
499 |
/* |
500 |
* Time Manager thread |
501 |
*/ |
502 |
|
503 |
#ifdef PRECISE_TIMING_BEOS |
504 |
static int32 timer_func(void *arg) |
505 |
{ |
506 |
while (thread_active) { |
507 |
|
508 |
// Wait until time specified by wakeup_time |
509 |
snooze_until(wakeup_time, B_SYSTEM_TIMEBASE); |
510 |
|
511 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ; |
512 |
if (wakeup_time < system_time()) { |
513 |
|
514 |
// Timer expired, trigger interrupt |
515 |
wakeup_time = 0x7fffffffffffffff; |
516 |
SetInterruptFlag(INTFLAG_TIMER); |
517 |
TriggerInterrupt(); |
518 |
} |
519 |
release_sem(wakeup_time_sem); |
520 |
} |
521 |
return 0; |
522 |
} |
523 |
#endif |
524 |
|
525 |
#ifdef PRECISE_TIMING_POSIX |
526 |
static void *timer_func(void *arg) |
527 |
{ |
528 |
while (!timer_thread_cancel) { |
529 |
|
530 |
// Wait until time specified by wakeup_time |
531 |
clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, &wakeup_time, NULL); |
532 |
|
533 |
tm_time_t system_time; |
534 |
timer_current_time(system_time); |
535 |
pthread_mutex_lock(&wakeup_time_lock); |
536 |
if (timer_cmp_time(wakeup_time, system_time) < 0) { |
537 |
|
538 |
// Timer expired, trigger interrupt |
539 |
wakeup_time = wakeup_time_max; |
540 |
SetInterruptFlag(INTFLAG_TIMER); |
541 |
TriggerInterrupt(); |
542 |
} |
543 |
pthread_mutex_unlock(&wakeup_time_lock); |
544 |
} |
545 |
return NULL; |
546 |
} |
547 |
#endif |
548 |
|
549 |
|
550 |
/* |
551 |
* Timer interrupt function (executed as part of 60Hz interrupt) |
552 |
*/ |
553 |
|
554 |
void TimerInterrupt(void) |
555 |
{ |
556 |
// D(bug("TimerIRQ\n")); |
557 |
|
558 |
// Look for active TMTasks that have expired |
559 |
tm_time_t now; |
560 |
timer_current_time(now); |
561 |
for (int i=0; i<NUM_DESCS; i++) |
562 |
if (desc[i].in_use) { |
563 |
uint32 tm = desc[i].task; |
564 |
if ((ReadMacInt16(tm + qType) & 0x8000) && timer_cmp_time(desc[i].wakeup, now) <= 0) { |
565 |
|
566 |
// Found one, mark as inactive and remove it from the Time Manager queue |
567 |
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff); |
568 |
dequeue_tm(tm); |
569 |
|
570 |
// Call timer function |
571 |
uint32 addr = ReadMacInt32(tm + tmAddr); |
572 |
if (addr) { |
573 |
D(bug("Calling TimeTask %08lx, addr %08lx\n", tm, addr)); |
574 |
M68kRegisters r; |
575 |
r.a[0] = addr; |
576 |
r.a[1] = tm; |
577 |
Execute68k(r.a[0], &r); |
578 |
D(bug(" returned from TimeTask\n")); |
579 |
} |
580 |
} |
581 |
} |
582 |
|
583 |
#if PRECISE_TIMING |
584 |
// Look for next task to be called and set wakeup_time |
585 |
#if PRECISE_TIMING_BEOS |
586 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ; |
587 |
suspend_thread(timer_thread); |
588 |
#endif |
589 |
#if PRECISE_TIMING_POSIX |
590 |
timer_thread_suspend(); |
591 |
pthread_mutex_lock(&wakeup_time_lock); |
592 |
#endif |
593 |
wakeup_time = wakeup_time_max; |
594 |
for (int j=0; j<NUM_DESCS; j++) { |
595 |
if (desc[j].in_use && (ReadMacInt16(desc[j].task + qType) & 0x8000)) |
596 |
if (timer_cmp_time(desc[j].wakeup, wakeup_time) < 0) |
597 |
wakeup_time = desc[j].wakeup; |
598 |
} |
599 |
#if PRECISE_TIMING_BEOS |
600 |
release_sem(wakeup_time_sem); |
601 |
thread_info info; |
602 |
do { |
603 |
resume_thread(timer_thread); // This will unblock the thread |
604 |
get_thread_info(timer_thread, &info); |
605 |
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?) |
606 |
#endif |
607 |
#if PRECISE_TIMING_POSIX |
608 |
pthread_mutex_unlock(&wakeup_time_lock); |
609 |
timer_thread_resume(); |
610 |
assert(suspend_count == 0); |
611 |
#endif |
612 |
#endif |
613 |
} |