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Separate the "is data ready" function of xfer_seek() into an

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xfer_window() function, which can return a scalar rather than a
boolean.
This commit is contained in:
Michael Brown
2007-07-08 14:11:07 +01:00
parent ca4c6f9eee
commit b34d4d0449
14 changed files with 94 additions and 45 deletions
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3
src/core/hw.c
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@@ -37,6 +37,7 @@ static struct xfer_interface_operations hw_xfer_operations = {
.close = hw_xfer_close,
.vredirect = ignore_xfer_vredirect,
.seek = ignore_xfer_seek,
.window = unlimited_xfer_window,
.deliver_iob = xfer_deliver_as_raw,
.deliver_raw = ignore_xfer_deliver_raw,
};
@@ -45,7 +46,7 @@ static void hw_step ( struct process *process ) {
struct hw *hw = container_of ( process, struct hw, process );
int rc;
if ( xfer_ready ( &hw->xfer ) == 0 ) {
if ( xfer_window ( &hw->xfer ) ) {
rc = xfer_deliver_raw ( &hw->xfer, hw_msg, sizeof ( hw_msg ) );
hw_finished ( hw, rc );
}