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Keep the libusb event handle polling thread active until there are no async usb transfers in progress.

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This commit is contained in:
Con Kolivas 2013-10-24 20:41:55 +11:00
parent 824aa5cb51
commit 81dfe60d36
2 changed files with 14 additions and 5 deletions
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15
cgminer.c
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@ -7798,17 +7798,24 @@ static void probe_pools(void)
#ifdef USE_USBUTILS #ifdef USE_USBUTILS
static void *libusb_poll_thread(void __maybe_unused *arg) static void *libusb_poll_thread(void __maybe_unused *arg)
{ {
struct timeval tv_end = {0, 100000}; struct timeval tv_end = {1, 0};
bool inprogress = false;
RenameThread("usbpoll"); RenameThread("usbpoll");
while (usb_polling) while (usb_polling)
libusb_handle_events_timeout_completed(NULL, &tv_end, NULL); libusb_handle_events_timeout_completed(NULL, &tv_end, NULL);
/* One longer poll on shut down to enable drivers to hopefully cleanly
* shut down. */ /* Keep event handling going until there are no async transfers in
tv_end.tv_sec = 1; * flight. */
do {
libusb_handle_events_timeout_completed(NULL, &tv_end, NULL); libusb_handle_events_timeout_completed(NULL, &tv_end, NULL);
cg_rlock(&cgusb_fd_lock);
inprogress = !!cgusb_transfers;
cg_runlock(&cgusb_fd_lock);
} while (inprogress);
return NULL; return NULL;
} }

2
usbutils.h
View File

@ -117,6 +117,8 @@
#define DEFAULT_EP_IN 0 #define DEFAULT_EP_IN 0
#define DEFAULT_EP_OUT 1 #define DEFAULT_EP_OUT 1
int cgusb_transfers;
struct usb_epinfo { struct usb_epinfo {
uint8_t att; uint8_t att;
uint16_t size; uint16_t size;