proc: add payload-aware intrans functions

* proc/mig-decls.h (begin_using_proc_payload): New function.
(begin_using_exc_payload): Likewise.
* proc/mig-mutate.h: Add mutators.
* proc/proc_exc.defs (exception_t): Add payload-aware in-translator
function.

1 files changed, 17 insertions, 0 deletions

diff --git a/proc/mig-decls.h b/proc/mig-decls.h
index 7d36a870..eb33ef31 100644
--- a/proc/mig-decls.h
+++ b/proc/mig-decls.h
@@ -35,6 +35,17 @@ begin_using_proc_port (mach_port_t port)
   return (!p || p->p_dead) ? NULL : p;
 }
 
+static inline struct proc * __attribute__ ((unused))
+begin_using_proc_payload (unsigned long payload)
+{
+  struct proc *p;
+  p = ports_lookup_payload (proc_bucket, payload, proc_class);
+  if (p && p->p_dead)
+    ports_port_deref (p);
+  return (!p || p->p_dead) ? 0 : p;
+}
+
+
 static inline void __attribute__ ((unused))
 end_using_proc (struct proc *p)
 {
@@ -50,6 +61,12 @@ begin_using_exc_port (mach_port_t port)
   return ports_lookup_port (NULL, port, exc_class);
 }
 
+static inline exc_t __attribute__ ((unused))
+begin_using_exc_payload (unsigned long payload)
+{
+  return ports_lookup_payload (NULL, payload, exc_class);
+}
+
 static inline void __attribute__ ((unused))
 end_using_exc (exc_t exc)
 {