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author | Michael Brown | 2007-04-30 01:53:39 +0200 |
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committer | Michael Brown | 2007-04-30 01:53:39 +0200 |
commit | d40761d7258cd509d698c210fc6c478bd7788c6b (patch) | |
tree | c7f419e1e189936d706a53c26fc9f236e0118b6d /src/core/interface.c | |
parent | Skeleton job control interface (diff) | |
download | ipxe-d40761d7258cd509d698c210fc6c478bd7788c6b.tar.gz ipxe-d40761d7258cd509d698c210fc6c478bd7788c6b.tar.xz ipxe-d40761d7258cd509d698c210fc6c478bd7788c6b.zip |
Add (and use) generic reference counter, to improve signal:noise ratio
in code defining reference-counted objects.
Diffstat (limited to 'src/core/interface.c')
-rw-r--r-- | src/core/interface.c | 43 |
1 files changed, 3 insertions, 40 deletions
diff --git a/src/core/interface.c b/src/core/interface.c index 15df49d3..8498425c 100644 --- a/src/core/interface.c +++ b/src/core/interface.c @@ -16,7 +16,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <assert.h> #include <gpxe/interface.h> /** @file @@ -26,30 +25,6 @@ */ /** - * Obtain reference to interface - * - * @v intf Interface - * @ret intf Interface - * - * Increases the reference count on the interface. - */ -static struct interface * intf_get ( struct interface *intf ) { - intf->refcnt ( intf, +1 ); - return intf; -} - -/** - * Drop reference to interface - * - * @v intf Interface - * - * Decreases the reference count on the interface. - */ -static void intf_put ( struct interface *intf ) { - intf->refcnt ( intf, -1 ); -} - -/** * Plug an interface into a new destination interface * * @v intf Interface @@ -63,19 +38,7 @@ static void intf_put ( struct interface *intf ) { * interface into a null interface. */ void plug ( struct interface *intf, struct interface *dest ) { - intf_put ( intf->dest ); - intf->dest = intf_get ( dest ); -} - -/** - * Null update reference count - * - * @v intf Interface - * @v delta Change to apply to reference count - * - * Use this as the refcnt() method for an interface that does not need - * to support reference counting. - */ -void null_refcnt ( struct interface *intf __unused, int delta __unused ) { - /* Do nothing */ + ref_put ( intf->refcnt ); + ref_get ( dest->refcnt ); + intf->dest = dest; } |