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add more parameters checking in message queue 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1888 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2011-12-29 15:39:14 +00:00
parent 2e9291357d
commit 27bbf04ac6
1 changed files with 13 additions and 0 deletions
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13
src/ipc.c
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@ -34,6 +34,7 @@
* 2010-04-20 Bernard move memcpy outside interrupt disable in mq
* 2010-10-26 yi.qiu add module support in rt_mp_delete and rt_mq_delete
* 2010-11-10 Bernard add IPC reset command implementation.
* 2011-12-18 Bernard add more parameter checking in message queue
*/
#include <rtthread.h>
@ -1804,6 +1805,10 @@ rt_err_t rt_mq_send(rt_mq_t mq, void *buffer, rt_size_t size)
register rt_ubase_t temp;
struct rt_mq_message *msg;
RT_ASSERT(mq != RT_NULL);
RT_ASSERT(buffer != RT_NULL);
RT_ASSERT(size != 0);
/* greater than one message size */
if (size > mq->msg_size)
return -RT_ERROR;
@ -1885,6 +1890,10 @@ rt_err_t rt_mq_urgent(rt_mq_t mq, void *buffer, rt_size_t size)
register rt_ubase_t temp;
struct rt_mq_message *msg;
RT_ASSERT(mq != RT_NULL);
RT_ASSERT(buffer != RT_NULL);
RT_ASSERT(size != 0);
/* greater than one message size */
if (size > mq->msg_size)
return -RT_ERROR;
@ -1963,6 +1972,10 @@ rt_err_t rt_mq_recv(rt_mq_t mq, void *buffer, rt_size_t size, rt_int32_t timeout
struct rt_mq_message *msg;
rt_uint32_t tick_delta;
RT_ASSERT(mq != RT_NULL);
RT_ASSERT(buffer != RT_NULL);
RT_ASSERT(size != 0);
/* initialize delta tick */
tick_delta = 0;
/* get current thread */