sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

sched: add critical section in nxsched_get_stateinfo

Browse Source 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
This commit is contained in:
wangbowen6 2023-03-01 15:43:21 +08:00 committed by Xiang Xiao
parent 67461175fe
commit 51c30289ae
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sched/sched/sched_get_stateinfo.c
View File

@ -28,6 +28,7 @@
#include <stdio.h>
#include <semaphore.h>
#include <nuttx/mutex.h>
#include <nuttx/irq.h>
#include "nuttx/sched.h"
/****************************************************************************
@ -80,16 +81,23 @@ static FAR const char * const g_statenames[] =
void nxsched_get_stateinfo(FAR struct tcb_s *tcb, FAR char *state,
size_t length)
{
irqstate_t flags;
/* if the state is waiting mutex */
flags = enter_critical_section();
if (tcb->task_state == TSTATE_WAIT_SEM &&
((FAR sem_t *)(tcb->waitobj))->flags & SEM_TYPE_MUTEX)
{
snprintf(state, length, "Waiting,Mutex:%d",
((FAR mutex_t *)(tcb->waitobj))->holder);
pid_t holder = ((FAR mutex_t *)(tcb->waitobj))->holder;
leave_critical_section(flags);
snprintf(state, length, "Waiting,Mutex:%d", holder);
}
else
{
leave_critical_section(flags);
strlcpy(state, g_statenames[tcb->task_state], length);
}
}