embedded/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2026-07-26 15:54:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add comment explaining ACL permissions revocation (#1421)

Browse Source 
Adds a simple comment mentioning the requirement
for the privileged task to revoke permissions before
deleting an object.
This commit is contained in:
Kody Stribrny
2026-07-23 10:32:25 -07:00
committed by GitHub
parent 5706e10cb4
commit 4269c69a16
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/mpu_wrappers.h
View File

@@ -250,6 +250,9 @@
#if ( ( configUSE_MPU_WRAPPERS_V1 == 0 ) && ( configENABLE_ACCESS_CONTROL_LIST == 1 ) )
#define vGrantAccessToTask( xTask, xTaskToGrantAccess ) vGrantAccessToKernelObject( ( xTask ), ( int32_t ) ( xTaskToGrantAccess ) )
/* A privileged task must revoke access to the object before deletion,
* otherwise index reuse may result in accidental permissions. */
#define vRevokeAccessToTask( xTask, xTaskToRevokeAccess ) vRevokeAccessToKernelObject( ( xTask ), ( int32_t ) ( xTaskToRevokeAccess ) )
#define vGrantAccessToSemaphore( xTask, xSemaphoreToGrantAccess ) vGrantAccessToKernelObject( ( xTask ), ( int32_t ) ( xSemaphoreToGrantAccess ) )