common/os/fio.c

456 	afd_t *afd = &curthread->t_activefd;
460 	for (i = 0; i < afd->a_nfd; i++) {
462 		ASSERT(afd->a_fd[i] == -1);
463 		afd->a_fd[i] = -1;
465 	afd->a_stale = 0;
469 free_afd(afd_t *afd)		/* called below and from thread_free() */
474 	if (afd->a_nfd > sizeof (afd->a_buf) / sizeof (afd->a_buf[0])) {
476 		kmem_free(afd->a_fd, afd->a_nfd * sizeof (afd->a_fd[0]));
480 	afd->a_fd = &afd->a_buf[0];
481 	afd->a_nfd = sizeof (afd->a_buf) / sizeof (afd->a_buf[0]);
482 	afd->a_stale = 0;
483 	for (i = 0; i < afd->a_nfd; i++)
484 		afd->a_fd[i] = -1;
490 	afd_t *afd = &curthread->t_activefd;
497 	if (afd->a_nfd == 0) {	/* first time initialization */
499 		mutex_enter(&afd->a_fdlock);
500 		free_afd(afd);
501 		mutex_exit(&afd->a_fdlock);
505 	for (i = 0; i < afd->a_nfd; i++) {
506 		if (afd->a_fd[i] == -1) {
507 			afd->a_fd[i] = fd;
516 	old_nfd = afd->a_nfd;
517 	old_fd = afd->a_fd;
519 	new_fd = kmem_alloc(new_nfd * sizeof (afd->a_fd[0]), KM_SLEEP);
523 	mutex_enter(&afd->a_fdlock);
524 	afd->a_fd = new_fd;
525 	afd->a_nfd = new_nfd;
527 		afd->a_fd[i] = old_fd[i];
528 	afd->a_fd[i] = fd;
529 	mutex_exit(&afd->a_fdlock);
531 	if (old_nfd > sizeof (afd->a_buf) / sizeof (afd->a_buf[0])) {
533 		kmem_free(old_fd, old_nfd * sizeof (afd->a_fd[0]));
540 	afd_t *afd = &curthread->t_activefd;
543 	for (i = 0; i < afd->a_nfd; i++) {
544 		if (afd->a_fd[i] == fd) {
545 			afd->a_fd[i] = -1;
549 	ASSERT(i < afd->a_nfd);		/* not found is not ok */
558 	afd_t *afd = &t->t_activefd;
562 	mutex_enter(&afd->a_fdlock);
564 	for (i = 0; i < afd->a_nfd; i++) {
565 		if (afd->a_fd[i] == fd) {
566 			mutex_exit(&afd->a_fdlock);
570 	mutex_exit(&afd->a_fdlock);