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| Rev 3222 | Rev 3438 | ||
|---|---|---|---|
| Line 178... | Line 178... | ||
| 178 | slab_free(fpu_context_slab, t->saved_fpu_context); |
178 | slab_free(fpu_context_slab, t->saved_fpu_context); |
| 179 | #endif |
179 | #endif |
| 180 | return -1; |
180 | return -1; |
| 181 | } |
181 | } |
| 182 | 182 | ||
| - | 183 | #ifdef CONFIG_UDEBUG |
|
| - | 184 | mutex_initialize(&t->udebug.lock, MUTEX_PASSIVE); |
|
| - | 185 | #endif |
|
| - | 186 | ||
| 183 | return 0; |
187 | return 0; |
| 184 | } |
188 | } |
| 185 | 189 | ||
| 186 | /** Destruction of thread_t object */ |
190 | /** Destruction of thread_t object */ |
| 187 | static int thr_destructor(void *obj) |
191 | static int thr_destructor(void *obj) |
| Line 345... | Line 349... | ||
| 345 | t->fpu_context_engaged = 0; |
349 | t->fpu_context_engaged = 0; |
| 346 | 350 | ||
| 347 | avltree_node_initialize(&t->threads_tree_node); |
351 | avltree_node_initialize(&t->threads_tree_node); |
| 348 | t->threads_tree_node.key = (uintptr_t) t; |
352 | t->threads_tree_node.key = (uintptr_t) t; |
| 349 | 353 | ||
| - | 354 | #ifdef CONFIG_UDEBUG |
|
| - | 355 | /* Init debugging stuff */ |
|
| - | 356 | udebug_thread_initialize(&t->udebug); |
|
| - | 357 | #endif |
|
| - | 358 | ||
| 350 | /* might depend on previous initialization */ |
359 | /* might depend on previous initialization */ |
| 351 | thread_create_arch(t); |
360 | thread_create_arch(t); |
| 352 | 361 | ||
| 353 | if (!(flags & THREAD_FLAG_NOATTACH)) |
362 | if (!(flags & THREAD_FLAG_NOATTACH)) |
| 354 | thread_attach(t, task); |
363 | thread_attach(t, task); |
| Line 407... | Line 416... | ||
| 407 | void thread_attach(thread_t *t, task_t *task) |
416 | void thread_attach(thread_t *t, task_t *task) |
| 408 | { |
417 | { |
| 409 | ipl_t ipl; |
418 | ipl_t ipl; |
| 410 | 419 | ||
| 411 | /* |
420 | /* |
| 412 | * Attach to the current task. |
421 | * Attach to the specified task. |
| 413 | */ |
422 | */ |
| 414 | ipl = interrupts_disable(); |
423 | ipl = interrupts_disable(); |
| 415 | spinlock_lock(&task->lock); |
424 | spinlock_lock(&task->lock); |
| - | 425 | ||
| 416 | atomic_inc(&task->refcount); |
426 | atomic_inc(&task->refcount); |
| - | 427 | ||
| - | 428 | /* Must not count kbox thread into lifecount */ |
|
| - | 429 | if (t->flags & THREAD_FLAG_USPACE) |
|
| 417 | atomic_inc(&task->lifecount); |
430 | atomic_inc(&task->lifecount); |
| - | 431 | ||
| 418 | list_append(&t->th_link, &task->th_head); |
432 | list_append(&t->th_link, &task->th_head); |
| 419 | spinlock_unlock(&task->lock); |
433 | spinlock_unlock(&task->lock); |
| 420 | 434 | ||
| 421 | /* |
435 | /* |
| 422 | * Register this thread in the system-wide list. |
436 | * Register this thread in the system-wide list. |
| Line 435... | Line 449... | ||
| 435 | */ |
449 | */ |
| 436 | void thread_exit(void) |
450 | void thread_exit(void) |
| 437 | { |
451 | { |
| 438 | ipl_t ipl; |
452 | ipl_t ipl; |
| 439 | 453 | ||
| - | 454 | if (THREAD->flags & THREAD_FLAG_USPACE) { |
|
| - | 455 | #ifdef CONFIG_UDEBUG |
|
| - | 456 | /* Generate udebug THREAD_E event */ |
|
| - | 457 | udebug_thread_e_event(); |
|
| - | 458 | #endif |
|
| 440 | if (atomic_predec(&TASK->lifecount) == 0) { |
459 | if (atomic_predec(&TASK->lifecount) == 0) { |
| 441 | /* |
460 | /* |
| 442 | * We are the last thread in the task that still has not exited. |
461 | * We are the last userspace thread in the task that |
| - | 462 | * still has not exited. With the exception of the |
|
| 443 | * With the exception of the moment the task was created, new |
463 | * moment the task was created, new userspace threads |
| 444 | * threads can only be created by threads of the same task. |
464 | * can only be created by threads of the same task. |
| 445 | * We are safe to perform cleanup. |
465 | * We are safe to perform cleanup. |
| 446 | */ |
466 | */ |
| 447 | if (THREAD->flags & THREAD_FLAG_USPACE) { |
- | |
| 448 | ipc_cleanup(); |
467 | ipc_cleanup(); |
| 449 | futex_cleanup(); |
468 | futex_cleanup(); |
| 450 | LOG("Cleanup of task %" PRIu64" completed.", TASK->taskid); |
469 | LOG("Cleanup of task %" PRIu64" completed.", TASK->taskid); |
| 451 | } |
470 | } |
| 452 | } |
471 | } |
| Line 739... | Line 758... | ||
| 739 | } |
758 | } |
| 740 | } |
759 | } |
| 741 | thread_attach(t, TASK); |
760 | thread_attach(t, TASK); |
| 742 | thread_ready(t); |
761 | thread_ready(t); |
| 743 | 762 | ||
| - | 763 | #ifdef CONFIG_UDEBUG |
|
| - | 764 | /* Generate udebug THREAD_B event */ |
|
| - | 765 | udebug_thread_b_event(t); |
|
| - | 766 | #endif |
|
| - | 767 | ||
| 744 | return 0; |
768 | return 0; |
| 745 | } else |
769 | } else |
| 746 | free(kernel_uarg); |
770 | free(kernel_uarg); |
| 747 | 771 | ||
| 748 | return (unative_t) ENOMEM; |
772 | return (unative_t) ENOMEM; |