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体验新版 GitCode,发现更多精彩内容 >>
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b43f7365
编写于
10月 22, 2020
作者:
mysterywolf
浏览文件
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电子邮件补丁
差异文件
[bug fixed] add mb mq value overflow-check code
上级
b0b1e0c1
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
63 addition
and
15 deletion
+63
-15
src/ipc.c
src/ipc.c
+63
-15
未找到文件。
src/ipc.c
浏览文件 @
b43f7365
...
...
@@ -36,8 +36,7 @@
* 2019-09-16 tyx add send wait support for message queue
* 2020-07-29 Meco Man fix thread->event_set/event_info when received an
* event without pending
* 2020-10-11 Meco Man add semaphore values' overflow-check code
* 2020-10-21 Meco Man add mutex values' overflow-check code
* 2020-10-11 Meco Man add value overflow-check code
*/
#include <rtthread.h>
...
...
@@ -724,7 +723,15 @@ __again:
/* set mutex owner and original priority */
mutex
->
owner
=
thread
;
mutex
->
original_priority
=
thread
->
current_priority
;
mutex
->
hold
++
;
if
(
mutex
->
hold
<
255u
)
{
mutex
->
hold
++
;
}
else
{
rt_hw_interrupt_enable
(
temp
);
/* enable interrupt */
return
-
RT_EFULL
;
/* value overflowed */
}
}
else
{
...
...
@@ -881,7 +888,15 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
/* set new owner and priority */
mutex
->
owner
=
thread
;
mutex
->
original_priority
=
thread
->
current_priority
;
mutex
->
hold
++
;
if
(
mutex
->
hold
<
255u
)
{
mutex
->
hold
++
;
}
else
{
rt_hw_interrupt_enable
(
temp
);
/* enable interrupt */
return
-
RT_EFULL
;
/* value overflowed */
}
/* resume thread */
rt_ipc_list_resume
(
&
(
mutex
->
parent
.
suspend_thread
));
...
...
@@ -890,9 +905,17 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
}
else
{
/* increase value */
mutex
->
value
++
;
if
(
mutex
->
value
<
65535u
)
{
/* increase value */
mutex
->
value
++
;
}
else
{
rt_hw_interrupt_enable
(
temp
);
/* enable interrupt */
return
-
RT_EFULL
;
/* value overflowed */
}
/* clear owner */
mutex
->
owner
=
RT_NULL
;
mutex
->
original_priority
=
0xff
;
...
...
@@ -1583,9 +1606,18 @@ rt_err_t rt_mb_send_wait(rt_mailbox_t mb,
++
mb
->
in_offset
;
if
(
mb
->
in_offset
>=
mb
->
size
)
mb
->
in_offset
=
0
;
/* increase message entry */
mb
->
entry
++
;
if
(
mb
->
entry
<
65535u
)
{
/* increase message entry */
mb
->
entry
++
;
}
else
{
rt_hw_interrupt_enable
(
temp
);
/* enable interrupt */
return
-
RT_EFULL
;
/* value overflowed */
}
/* resume suspended thread */
if
(
!
rt_list_isempty
(
&
mb
->
parent
.
suspend_thread
))
{
...
...
@@ -2147,8 +2179,16 @@ rt_err_t rt_mq_send_wait(rt_mq_t mq,
if
(
mq
->
msg_queue_head
==
RT_NULL
)
mq
->
msg_queue_head
=
msg
;
/* increase message entry */
mq
->
entry
++
;
if
(
mq
->
entry
<
65535u
)
{
/* increase message entry */
mq
->
entry
++
;
}
else
{
rt_hw_interrupt_enable
(
temp
);
/* enable interrupt */
return
-
RT_EFULL
;
/* value overflowed */
}
/* resume suspended thread */
if
(
!
rt_list_isempty
(
&
mq
->
parent
.
suspend_thread
))
...
...
@@ -2247,9 +2287,17 @@ rt_err_t rt_mq_urgent(rt_mq_t mq, const void *buffer, rt_size_t size)
if
(
mq
->
msg_queue_tail
==
RT_NULL
)
mq
->
msg_queue_tail
=
msg
;
/* increase message entry */
mq
->
entry
++
;
if
(
mq
->
entry
<
65535u
)
{
/* increase message entry */
mq
->
entry
++
;
}
else
{
rt_hw_interrupt_enable
(
temp
);
/* enable interrupt */
return
-
RT_EFULL
;
/* value overflowed */
}
/* resume suspended thread */
if
(
!
rt_list_isempty
(
&
mq
->
parent
.
suspend_thread
))
{
...
...
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