diff options
Diffstat (limited to 'nuttx/arch/dm320/src/up_exit.c')
| -rw-r--r-- | nuttx/arch/dm320/src/up_exit.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/nuttx/arch/dm320/src/up_exit.c b/nuttx/arch/dm320/src/up_exit.c index e51180dc6..bb05b1c53 100644 --- a/nuttx/arch/dm320/src/up_exit.c +++ b/nuttx/arch/dm320/src/up_exit.c @@ -149,6 +149,13 @@ void _exit(int status) (void)sched_removereadytorun(tcb); + /* We are not in a bad stack-- the head of the ready to run task list + * does not correspond to the thread that is running. Disabling pre- + * emption on this TCB should be enough to keep things stable. + */ + + sched_lock(); + /* Move the TCB to the specified blocked task list and delete it */ sched_addblocked(tcb, TSTATE_TASK_INACTIVE); @@ -163,6 +170,10 @@ void _exit(int status) (void)sched_mergepending(); } + /* Now calling sched_unlock() should have no effect */ + + sched_unlock(); + /* Now, perform the context switch to the new ready-to-run task at the * head of the list. */ |