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Graceful exiting for USBD

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Wojciech Zajac 2014-06-18 12:17:01 +02:00 committed by Lionel Sambuc
parent 7df0836d35
commit cbaad3ed4b
1 changed files with 22 additions and 1 deletions
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23
drivers/usbd/base/usbd.c
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@ -18,12 +18,14 @@
* Local declarations *
*===========================================================================*/
static int usbd_sef_handler(int, sef_init_info_t *);
static void usbd_signal_handler(int);
static int usbd_start(void);
static void usbd_init(void);
static void usbd_server_thread(void *);
/* TODO: No headers for these... */
extern void ddekit_minix_wait_exit(void); /* dde.c */
extern void ddekit_minix_wait_exit(void); /* dde.c */
extern void ddekit_shutdown(void); /* dde.c */
/*===========================================================================*
@ -94,6 +96,24 @@ usbd_sef_handler(int type, sef_init_info_t * UNUSED(info))
}
/*===========================================================================*
* usbd_signal_handler *
*===========================================================================*/
static void
usbd_signal_handler(int UNUSED(signo))
{
DEBUG_DUMP;
USB_MSG("Signal received, exiting USBD...");
/* Try graceful DDEKit exit */
ddekit_shutdown();
/* Unreachable, when ddekit_shutdown works correctly */
USB_ASSERT(0, "Calling ddekit_shutdown failed!");
}
/*===========================================================================*
* usbd_start *
*===========================================================================*/
@ -133,6 +153,7 @@ usbd_init(void)
sef_setcb_init_fresh(usbd_sef_handler);
sef_setcb_init_lu(usbd_sef_handler);
sef_setcb_init_restart(usbd_sef_handler);
sef_setcb_signal_handler(usbd_signal_handler);
/* Initialize DDEkit (involves sef_startup()) */
ddekit_init();