len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2026-07-10 13:29:45 -04:00
Code Issues Projects Releases Packages Wiki Activity

Add comment explaining ACL permissions revocation

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 2026-06-04 10:05:58 -07:00
parent d877cd5398
commit 5a7a3d4397
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/mpu_wrappers.h
View file

@ -249,6 +249,8 @@
#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 ) )