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-rw-r--r--host/lib/transport/libusb1_zero_copy.cpp17
1 files changed, 9 insertions, 8 deletions
diff --git a/host/lib/transport/libusb1_zero_copy.cpp b/host/lib/transport/libusb1_zero_copy.cpp
index 28bff9709..0e6cf94f5 100644
--- a/host/lib/transport/libusb1_zero_copy.cpp
+++ b/host/lib/transport/libusb1_zero_copy.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2010-2012 Ettus Research LLC
+// Copyright 2010-2013 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -43,7 +43,8 @@ static const size_t DEFAULT_XFER_SIZE = 32*512; //bytes
//! helper function: handles all async callbacks
static void LIBUSB_CALL libusb_async_cb(libusb_transfer *lut){
- *(static_cast<bool *>(lut->user_data)) = true;
+ int *completed = (int *)lut->user_data;
+ *completed = 1;
}
/*!
@@ -61,7 +62,7 @@ static void LIBUSB_CALL libusb_async_cb(libusb_transfer *lut){
* \param completed a reference to the completed flag
* \return true for completion, false for timeout
*/
-UHD_INLINE bool wait_for_completion(libusb_context *ctx, const double timeout, bool &completed){
+UHD_INLINE bool wait_for_completion(libusb_context *ctx, const double timeout, int &completed){
//already completed by a previous call?
if (completed) return true;
@@ -96,7 +97,7 @@ public:
_lut(lut), _frame_size(frame_size) { /* NOP */ }
void release(void){
- completed = false;
+ completed = 0;
_lut->length = _frame_size; //always reset length
UHD_ASSERT_THROW(libusb_submit_transfer(_lut) == 0);
}
@@ -109,7 +110,7 @@ public:
return managed_recv_buffer::sptr();
}
- bool completed;
+ int completed;
private:
libusb_context *_ctx;
@@ -129,7 +130,7 @@ public:
_lut(lut), _frame_size(frame_size) { completed = true; }
void release(void){
- completed = false;
+ completed = 0;
_lut->length = size();
UHD_ASSERT_THROW(libusb_submit_transfer(_lut) == 0);
}
@@ -142,7 +143,7 @@ public:
return managed_send_buffer::sptr();
}
- bool completed;
+ int completed;
private:
libusb_context *_ctx;
@@ -249,7 +250,7 @@ public:
}
//process all transfers until timeout occurs
- bool completed = false;
+ int completed = 0;
wait_for_completion(ctx, 0.01, completed);
//free all transfers