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kernel: msgq: error handling

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Add runtime error handling for k_msgq_cleanup. We return 0 on success
now and -EAGAIN when cleanup is not possible.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2019-06-16 08:43:48 -04:00
commit 11b9365542
2 changed files with 9 additions and 3 deletions
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4
include/kernel.h
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@ -3698,8 +3698,10 @@ __syscall int k_msgq_alloc_init(struct k_msgq *msgq, size_t msg_size,
*
* @param msgq message queue to cleanup
*
* @retval 0 on success
* @retval -EBUSY Queue not empty
*/
void k_msgq_cleanup(struct k_msgq *msgq);
int k_msgq_cleanup(struct k_msgq *msgq);
/**
* @brief Send a message to a message queue.