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Different windows+usb combinations respond with varying levels of reliability wrt timeouts so use a nominal extra 40ms before cancelling transfers that fail to time out on their own.

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This commit is contained in:
Con Kolivas 2013-11-05 19:18:20 +11:00
parent 21f18956a8
commit b1be5c6d12
1 changed files with 5 additions and 3 deletions
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8
usbutils.c
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@ -66,6 +66,10 @@
#define KLONDIKE_TIMEOUT_MS 999
#define ICARUS_TIMEOUT_MS 999
#define HASHFAST_TIMEOUT_MS 999
/* The safety timeout we use, cancelling async transfers on windows that fail
* to timeout on their own. */
#define WIN_CALLBACK_EXTRA 40
#else
#define BFLSC_TIMEOUT_MS 300
#define BITFORCE_TIMEOUT_MS 200
@ -77,8 +81,6 @@
#define HASHFAST_TIMEOUT_MS 200
#endif
#define USB_READ_MINPOLL 40
#define USB_EPS(_intx, _epinfosx) { \
.interface = _intx, \
.ctrl_transfer = _intx, \
@ -2424,7 +2426,7 @@ usb_bulk_transfer(struct libusb_device_handle *dev_handle, int intinfo,
#ifdef WIN32
/* On windows the callback_timeout is a safety mechanism only. */
bulk_timeout = timeout;
callback_timeout += timeout + cgpu->usbdev->found->timeout;
callback_timeout += WIN_CALLBACK_EXTRA;
#else
/* We give the transfer no timeout since we manage timeouts ourself on
* non windows. */