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Rev 3623 Rev 4377
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <ipc/ipcrsc.h>
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#include <ipc/ipcrsc.h>
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#include <print.h>
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#include <print.h>
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#include <errno.h>
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#include <errno.h>
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#include <func.h>
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#include <func.h>
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#include <string.h>
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#include <syscall/copy.h>
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#include <syscall/copy.h>
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 57 
 
57 
/** Spinlock protecting the tasks_tree AVL tree. */
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/** Spinlock protecting the tasks_tree AVL tree. */
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SPINLOCK_INITIALIZE(tasks_lock);
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SPINLOCK_INITIALIZE(tasks_lock);
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    spinlock_initialize(&ta->lock, "task_ta_lock");
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    spinlock_initialize(&ta->lock, "task_ta_lock");
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    list_initialize(&ta->th_head);
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    list_initialize(&ta->th_head);
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    ta->as = as;
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    ta->as = as;
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 152 
 
152 
    memcpy(ta->name, name, TASK_NAME_BUFLEN);
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    memcpy(ta->name, name, TASK_NAME_BUFLEN);
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    ta->name[TASK_NAME_BUFLEN - 1] = '\0';
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    ta->name[TASK_NAME_BUFLEN - 1] = 0;
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    atomic_set(&ta->refcount, 0);
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    atomic_set(&ta->refcount, 0);
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    atomic_set(&ta->lifecount, 0);
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    atomic_set(&ta->lifecount, 0);
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    ta->context = CONTEXT;
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    ta->context = CONTEXT;
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     */
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     */
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    return (unative_t) copy_to_uspace(uspace_task_id, &TASK->taskid,
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    return (unative_t) copy_to_uspace(uspace_task_id, &TASK->taskid,
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        sizeof(TASK->taskid));
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        sizeof(TASK->taskid));
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}
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}
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/** Syscall for setting the task name.
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 *
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 * The name simplifies identifying the task in the task list.
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 *
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 * @param name  The new name for the task. (typically the same
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 *      as the command used to execute it).
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 *
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 * @return 0 on success or an error code from @ref errno.h.
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 */
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unative_t sys_task_set_name(const char *uspace_name, size_t name_len)
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{
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    int rc;
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    char namebuf[TASK_NAME_BUFLEN];
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    /* Cap length of name and copy it from userspace. */
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    if (name_len > TASK_NAME_BUFLEN - 1)
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        name_len = TASK_NAME_BUFLEN - 1;
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 272 
    rc = copy_from_uspace(namebuf, uspace_name, name_len);
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    if (rc != 0)
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        return (unative_t) rc;
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 276 
    namebuf[name_len] = '\0';
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 277 
    str_cpy(TASK->name, TASK_NAME_BUFLEN, namebuf);
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 278 
 
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 279 
    return EOK;
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 280 
}
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 281 
 
252 
/** Find task structure corresponding to task ID.
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/** Find task structure corresponding to task ID.
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 *
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 *
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 * The tasks_lock must be already held by the caller of this function and
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 * The tasks_lock must be already held by the caller of this function and
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 * interrupts must be disabled.
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 * interrupts must be disabled.
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 *
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 *
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    for (cur = ta->th_head.next; cur != &ta->th_head; cur = cur->next) {
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    for (cur = ta->th_head.next; cur != &ta->th_head; cur = cur->next) {
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        thread_t *thr;
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        thread_t *thr;
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        bool sleeping = false;
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        bool sleeping = false;
340 
       
 370 
       
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        thr = list_get_instance(cur, thread_t, th_link);
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        thr = list_get_instance(cur, thread_t, th_link);
342 
           
 372 
       
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        spinlock_lock(&thr->lock);
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        spinlock_lock(&thr->lock);
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        thr->interrupted = true;
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        thr->interrupted = true;
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        if (thr->state == Sleeping)
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        if (thr->state == Sleeping)
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            sleeping = true;
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            sleeping = true;
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        spinlock_unlock(&thr->lock);
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        spinlock_unlock(&thr->lock);
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    uint64_t cycles;
 395 
    uint64_t cycles;
366 
    char suffix;
 396 
    char suffix;
367 
    order(task_get_accounting(t), &cycles, &suffix);
 397 
    order(task_get_accounting(t), &cycles, &suffix);
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 398 
 
369 
#ifdef __32_BITS__ 
399 
#ifdef __32_BITS__ 
370 
    printf("%-6" PRIu64 " %-10s %-3" PRIu32 " %10p %10p %9" PRIu64
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    printf("%-6" PRIu64 " %-12s %-3" PRIu32 " %10p %10p %9" PRIu64
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        "%c %7ld %6ld", t->taskid, t->name, t->context, t, t->as, cycles,
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        "%c %7ld %6ld", t->taskid, t->name, t->context, t, t->as, cycles,
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        suffix, atomic_get(&t->refcount), atomic_get(&t->active_calls));
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        suffix, atomic_get(&t->refcount), atomic_get(&t->active_calls));
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#endif
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#endif
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#ifdef __64_BITS__
 405 
#ifdef __64_BITS__
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    printf("%-6" PRIu64 " %-10s %-3" PRIu32 " %18p %18p %9" PRIu64
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    printf("%-6" PRIu64 " %-12s %-3" PRIu32 " %18p %18p %9" PRIu64
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        "%c %7ld %6ld", t->taskid, t->name, t->context, t, t->as, cycles,
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        "%c %7ld %6ld", t->taskid, t->name, t->context, t, t->as, cycles,
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        suffix, atomic_get(&t->refcount), atomic_get(&t->active_calls));
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        suffix, atomic_get(&t->refcount), atomic_get(&t->active_calls));
379 
#endif
 409 
#endif
380 
 
 410 
 
381 
    for (j = 0; j < IPC_MAX_PHONES; j++) {
 411 
    for (j = 0; j < IPC_MAX_PHONES; j++) {
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    /* Messing with task structures, avoid deadlock */
 426 
    /* Messing with task structures, avoid deadlock */
397 
    ipl = interrupts_disable();
 427 
    ipl = interrupts_disable();
398 
    spinlock_lock(&tasks_lock);
 428 
    spinlock_lock(&tasks_lock);
399 
 
 429 
 
400 
#ifdef __32_BITS__ 
430 
#ifdef __32_BITS__ 
401 
    printf("taskid name       ctx address    as         "
 431 
    printf("taskid name         ctx address    as         "
402 
        "cycles     threads calls  callee\n");
 432 
        "cycles     threads calls  callee\n");
403 
    printf("------ ---------- --- ---------- ---------- "
 433 
    printf("------ ------------ --- ---------- ---------- "
404 
        "---------- ------- ------ ------>\n");
 434 
        "---------- ------- ------ ------>\n");
405 
#endif
 435 
#endif
406 
 
 436 
 
407 
#ifdef __64_BITS__
 437 
#ifdef __64_BITS__
408 
    printf("taskid name       ctx address            as                 "
 438 
    printf("taskid name         ctx address            as                 "
409 
        "cycles     threads calls  callee\n");
 439 
        "cycles     threads calls  callee\n");
410 
    printf("------ ---------- --- ------------------ ------------------ "
 440 
    printf("------ ------------ --- ------------------ ------------------ "
411 
        "---------- ------- ------ ------>\n");
 441 
        "---------- ------- ------ ------>\n");
412 
#endif
 442 
#endif
413 
 
 443 
 
414 
    avltree_walk(&tasks_tree, task_print_walker, NULL);
 444 
    avltree_walk(&tasks_tree, task_print_walker, NULL);
415 
 
 445