summaryrefslogtreecommitdiff
path: root/examples/kernel/mutex_priority.c
diff options
context:
space:
mode:
authorguo <[email protected]>2021-09-28 10:36:54 +0800
committerGitHub <[email protected]>2021-09-28 10:36:54 +0800
commit55a302cd092758a44b589d65470a69d9e8ae4ced (patch)
treee60fc53994c426007e9eb4877e5bd123f124ef39 /examples/kernel/mutex_priority.c
parent00727d6b6db92dc1cf98f028f26fd6168594b905 (diff)
parent00d42ef73cff61ecda7ff006b077a73e1a4ff669 (diff)
Merge branch 'master' into usbh_construct
Diffstat (limited to 'examples/kernel/mutex_priority.c')
-rwxr-xr-xexamples/kernel/mutex_priority.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/examples/kernel/mutex_priority.c b/examples/kernel/mutex_priority.c
index f647fc4039..a7702eed6f 100755
--- a/examples/kernel/mutex_priority.c
+++ b/examples/kernel/mutex_priority.c
@@ -1,4 +1,13 @@
/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ *
+ */
+
+/*
* 创建7个进程,tid20、tid21、tid22、tid23、tid24、tid25、tid26、tid27、tid28、tid29
* 各任务优先级分别为20、21、22、23、24、25、26、27、28、29,
* 其中tid26最先获得锁,tid22不需要使用到互斥锁,其他所有进程均需要使用互斥锁,
@@ -272,7 +281,7 @@ static void thread29_entry(void* parameter)
static int mutex_simple_init()
{
/* 创建互斥锁 */
- mutex = rt_mutex_create("mutex", RT_IPC_FLAG_FIFO);
+ mutex = rt_mutex_create("mutex", RT_IPC_FLAG_PRIO);
if (mutex == RT_NULL)
{
tc_stat(TC_STAT_END | TC_STAT_FAILED);