C++ (Cpp) USB_THREAD_CREATE Exemples

Exemple #1

Fichier : usb_process.c Projet : ChristosKa/freebsd

/*------------------------------------------------------------------------*
 *	usb_proc_create
 *
 * This function will create a process using the given "prio" that can
 * execute callbacks. The mutex pointed to by "p_mtx" will be applied
 * before calling the callbacks and released after that the callback
 * has returned. The structure pointed to by "up" is assumed to be
 * zeroed before this function is called.
 *
 * Return values:
 *    0: success
 * Else: failure
 *------------------------------------------------------------------------*/
int
usb_proc_create(struct usb_process *up, struct mtx *p_mtx,
    const char *pmesg, uint8_t prio)
{
	up->up_mtx = p_mtx;
	up->up_prio = prio;

	TAILQ_INIT(&up->up_qhead);

	cv_init(&up->up_cv, "-");
	cv_init(&up->up_drain, "usbdrain");

	if (USB_THREAD_CREATE(&usb_process, up,
	    &up->up_ptr, "%s", pmesg)) {
		DPRINTFN(0, "Unable to create USB process.");
		up->up_ptr = NULL;
		goto error;
	}
#if (__FreeBSD_version >= 800000)
	usb_pcount++;
#endif
	return (0);

error:
	usb_proc_free(up);
	return (ENOMEM);
}

Exemple #2

Fichier : usb_process.c Projet : mihaicarabas/dragonfly

/*------------------------------------------------------------------------*
 *	usb_proc_create
 *
 * This function will create a process using the given "prio" that can
 * execute callbacks. The mutex pointed to by "p_mtx" will be applied
 * before calling the callbacks and released after that the callback
 * has returned. The structure pointed to by "up" is assumed to be
 * zeroed before this function is called.
 *
 * Return values:
 *    0: success
 * Else: failure
 *------------------------------------------------------------------------*/
int
usb_proc_create(struct usb_process *up, struct lock *p_lock,
    const char *pmesg, uint8_t prio)
{
	up->up_lock = p_lock;
	up->up_prio = prio;

	TAILQ_INIT(&up->up_qhead);

	cv_init(&up->up_cv, "-");
	cv_init(&up->up_drain, "usbdrain");

	if (USB_THREAD_CREATE(&usb_process, up,
	    &up->up_ptr, "%s", pmesg)) {
		DPRINTFN(0, "Unable to create USB process.");
		up->up_ptr = NULL;
		goto error;
	}
	usb_pcount++;
	return (0);

error:
	usb_proc_free(up);
	return (ENOMEM);
}