(nuttx-apps) branch master updated: ostest/pthread_rwlock: We need to wait for race_cond_thread2 to acquire the rdlock first, otherwise it may cause a deadlock.

[xiaoxiang]

This is an automated email from the ASF dual-hosted git repository.

xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx-apps.git


The following commit(s) were added to refs/heads/master by this push:
     new e2a21337a ostest/pthread_rwlock: We need to wait for race_cond_thread2 
to acquire the rdlock first, otherwise it may cause a deadlock.
e2a21337a is described below

commit e2a21337ac5be663a8e6d9a82baa64b93cc19755
Author: hujun5 <huj...@xiaomi.com>
AuthorDate: Fri Nov 8 19:04:09 2024 +0800

    ostest/pthread_rwlock: We need to wait for race_cond_thread2
    to acquire the rdlock first, otherwise it may cause a deadlock.
    
    Signed-off-by: hujun5 <huj...@xiaomi.com>
---
 testing/ostest/pthread_rwlock.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/testing/ostest/pthread_rwlock.c b/testing/ostest/pthread_rwlock.c
index 860d94c84..67febadc1 100644
--- a/testing/ostest/pthread_rwlock.c
+++ b/testing/ostest/pthread_rwlock.c
@@ -88,6 +88,7 @@ static FAR void *race_cond_thread1(FAR void *data)
       ASSERT(false);
     }
 
+  sem_wait(rc->sem1);
   status = pthread_rwlock_rdlock(rc->rw_lock);
   if (status != 0)
     {
@@ -197,6 +198,7 @@ static FAR void *race_cond_thread2(FAR void *data)
       ASSERT(false);
     }
 
+  sem_post(rc->sem1);
   if (g_race_cond_thread_pos++ != 3)
     {
       printf("pthread_rwlock: Thread order unexpected. Expected 3, got %d",