Changeset 2bb8648 in mainline for generic/src/ipc/sysipc.c

Timestamp:

2006-05-07T15:21:11Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

31282f9

Parents:

ecf3722

Message:

Add SYS_CAP_GRANT and SYS_CAP_REVOKE syscalls.
Move SYS_PREEMPT_CONTROL to ddi.c.
Add some comments and fix some small issues.

File:

• generic/src/ipc/sysipc.c (modified) (3 diffs)

generic/src/ipc/sysipc.c

@@ -40 +40 @@
 #include <print.h>
 #include <syscall/copy.h>
+#include <security/cap.h>
 
 #define GET_CHECK_PHONE(phone,phoneid,err) { \
@@ -491 +492 @@
 __native sys_ipc_register_irq(__native irq, irq_code_t *ucode)
 {
+        if (!(cap_get(TASK) & CAP_IRQ_REG))
+                return EPERM;
+
         if (irq >= IRQ_COUNT)
-                return -ELIMIT;
+                return (__native) ELIMIT;
 
         irq_ipc_bind_arch(irq);
@@ -502 +506 @@
 __native sys_ipc_unregister_irq(__native irq)
 {
+        if (!(cap_get(TASK) & CAP_IRQ_REG))
+                return EPERM;
+
         if (irq >= IRQ_COUNT)
-                return -ELIMIT;
+                return (__native) ELIMIT;
 
         ipc_irq_unregister(&TASK->answerbox, irq);