Changeset 91b60499 in mainline for kernel/generic/include/ipc/ipcrsc.h

Timestamp:

2017-09-30T06:29:42Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

300f4c4

Parents:

d076f16 (diff), 6636fb19 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge support for capabilities from lp:~jakub/helenos/caps

This commit introduces capabilities as task-local names for references to kernel
objects. Kernel objects are reference-counted wrappers for a select group of
objects allocated in and by the kernel that can be made accessible to userspace
in a controlled way via integer handles.

So far, a kernel object encapsulates either an irq_t or a phone_t.

Support for the former lead to the removal of kernel-assigned devnos and
unsecure deregistration of IRQs in which a random task was able to unregister
some other task's IRQ.

File:

• kernel/generic/include/ipc/ipcrsc.h (modified) (1 diff)

kernel/generic/include/ipc/ipcrsc.h

@@ -38 +38 @@
 #include <proc/task.h>
 #include <ipc/ipc.h>
+#include <cap/cap.h>
 
 extern call_t *get_call(sysarg_t);
-extern int phone_get(sysarg_t, phone_t **);
-extern int phone_alloc(task_t *);
-extern bool phone_connect(int, answerbox_t *);
-extern void phone_dealloc(int);
+extern cap_handle_t phone_alloc(task_t *);
+extern bool phone_connect(cap_handle_t, answerbox_t *);
+extern void phone_dealloc(cap_handle_t);
 
 #endif