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[process] Pass containing object pointer to process step() methods

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Give the step() method a pointer to the containing object, rather than
a pointer to the process.  This is consistent with the operation of
interface methods, and allows a single function to serve as both an
interface method and a process step() method.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-06-24 14:14:41 +01:00
parent ba3633782b
commit e01ec74601
16 changed files with 229 additions and 101 deletions
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22
src/core/hw.c
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@@ -26,15 +26,7 @@ static void hw_finished ( struct hw *hw, int rc ) {
process_del ( &hw->process );
}
static struct interface_operation hw_xfer_operations[] = {
INTF_OP ( intf_close, struct hw *, hw_finished ),
};
static struct interface_descriptor hw_xfer_desc =
INTF_DESC ( struct hw, xfer, hw_xfer_operations );
static void hw_step ( struct process *process ) {
struct hw *hw = container_of ( process, struct hw, process );
static void hw_step ( struct hw *hw ) {
int rc;
if ( xfer_window ( &hw->xfer ) ) {
@@ -43,6 +35,16 @@ static void hw_step ( struct process *process ) {
}
}
static struct interface_operation hw_xfer_operations[] = {
INTF_OP ( intf_close, struct hw *, hw_finished ),
};
static struct interface_descriptor hw_xfer_desc =
INTF_DESC ( struct hw, xfer, hw_xfer_operations );
static struct process_descriptor hw_process_desc =
PROC_DESC ( struct hw, process, hw_step );
static int hw_open ( struct interface *xfer, struct uri *uri __unused ) {
struct hw *hw;
@@ -52,7 +54,7 @@ static int hw_open ( struct interface *xfer, struct uri *uri __unused ) {
return -ENOMEM;
ref_init ( &hw->refcnt, NULL );
intf_init ( &hw->xfer, &hw_xfer_desc, &hw->refcnt );
process_init ( &hw->process, hw_step, &hw->refcnt );
process_init ( &hw->process, &hw_process_desc, &hw->refcnt );
/* Attach parent interface, mortalise self, and return */
intf_plug_plug ( &hw->xfer, xfer );