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Merge pull request #4852 from mysterywolf/rmovefifo

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[kernel][ipc] 移除mutex RT_IPC_FLAG_FIFO 功能
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Bernard Xiong 2021-07-07 20:21:38 +08:00 committed by GitHub
commit 7c00795c71
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1 changed files with 7 additions and 4 deletions
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11
src/ipc.c
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@ -548,6 +548,8 @@ RTM_EXPORT(rt_sem_control);
*/ */
rt_err_t rt_mutex_init(rt_mutex_t mutex, const char *name, rt_uint8_t flag) rt_err_t rt_mutex_init(rt_mutex_t mutex, const char *name, rt_uint8_t flag)
{ {
(void)flag;
/* parameter check */ /* parameter check */
RT_ASSERT(mutex != RT_NULL); RT_ASSERT(mutex != RT_NULL);
@ -562,8 +564,8 @@ rt_err_t rt_mutex_init(rt_mutex_t mutex, const char *name, rt_uint8_t flag)
mutex->original_priority = 0xFF; mutex->original_priority = 0xFF;
mutex->hold = 0; mutex->hold = 0;
/* set flag */ /* flag can only be RT_IPC_FLAG_PRIO. RT_IPC_FLAG_FIFO cannot solve the unbounded priority inversion problem */
mutex->parent.parent.flag = flag; mutex->parent.parent.flag = RT_IPC_FLAG_PRIO;
return RT_EOK; return RT_EOK;
} }
@ -609,6 +611,7 @@ RTM_EXPORT(rt_mutex_detach);
rt_mutex_t rt_mutex_create(const char *name, rt_uint8_t flag) rt_mutex_t rt_mutex_create(const char *name, rt_uint8_t flag)
{ {
struct rt_mutex *mutex; struct rt_mutex *mutex;
(void)flag;
RT_DEBUG_NOT_IN_INTERRUPT; RT_DEBUG_NOT_IN_INTERRUPT;
@ -625,8 +628,8 @@ rt_mutex_t rt_mutex_create(const char *name, rt_uint8_t flag)
mutex->original_priority = 0xFF; mutex->original_priority = 0xFF;
mutex->hold = 0; mutex->hold = 0;
/* set flag */ /* flag can only be RT_IPC_FLAG_PRIO. RT_IPC_FLAG_FIFO cannot solve the unbounded priority inversion problem */
mutex->parent.parent.flag = flag; mutex->parent.parent.flag = RT_IPC_FLAG_PRIO;
return mutex; return mutex;
} }