* include/mach/mach_port.defs: Add mach_port_set_protected_payload.
* ipc/mach_port.c: Implement mach_port_set_protected_payload.
---
include/mach/mach_port.defs | 9 +++++++++
ipc/mach_port.c | 37 +++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/include/mach/mach_port.defs b/include/mach/mach_port.defs
index 769d892..96a5987 100644
--- a/include/mach/mach_port.defs
+++ b/include/mach/mach_port.defs
@@ -349,3 +349,12 @@ skip; /* mach_port_create_act */
#endif /* MIGRATING_THREADS */
+/*
+ * Only valid for receive rights.
+ * Set the protected payload for this right to the given value.
+ */
+
+routine mach_port_set_protected_payload(
+ task : ipc_space_t;
+ name : mach_port_name_t;
+ payload : natural_t);
diff --git a/ipc/mach_port.c b/ipc/mach_port.c
index 46cb4de..8b6d68a 100644
--- a/ipc/mach_port.c
+++ b/ipc/mach_port.c
@@ -1566,3 +1566,40 @@ mach_port_set_syscall_right(task, name)
}
#endif
#endif /* MIGRATING_THREADS */
+
+/*
+ * Routine: mach_port_set_protected_payload [kernel call]
+ * Purpose:
+ * Changes a receive right's protected payload.
+ * Conditions:
+ * Nothing locked.
+ * Returns:
+ * KERN_SUCCESS Set protected payload.
+ * KERN_INVALID_TASK The space is null.
+ * KERN_INVALID_TASK The space is dead.
+ * KERN_INVALID_NAME The name doesn't denote a right.
+ * KERN_INVALID_RIGHT Name doesn't denote receive rights.
+ */
+
+kern_return_t
+mach_port_set_protected_payload(
+ ipc_space_t space,
+ mach_port_t name,
+ unsigned long payload)
+{
+ ipc_port_t port;
+ kern_return_t kr;
+
+ if (space == IS_NULL)
+ return KERN_INVALID_TASK;
+
+ kr = ipc_port_translate_receive(space, name, &port);
+ if (kr != KERN_SUCCESS)
+ return kr;
+ /* port is locked and active */
+
+ ipc_port_set_protected_payload(port, payload);
+
+ ip_unlock(port);
+ return KERN_SUCCESS;
+}
--
1.7.10.4
