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msgq empty status is checked when thread needs to be stopped

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This commit is contained in:
Sukchan Lee 2017-02-15 09:05:34 +09:00
parent a079c6dcfe
commit 4da3365767
4 changed files with 30 additions and 5 deletions
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9
lib/core/include/core_msgq.h
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@ -79,6 +79,15 @@ CORE_DECLARE(int) msgq_recv(msgq_id id, char *msg, int msglen);
CORE_DECLARE(int) msgq_timedrecv(msgq_id id, char *msg, int msglen,
c_time_t timeout);
/**
* @param id
*
* @return 1(true) or 0(false)
* If ring buffer is empty, return 1(true)
* If ring buffer is not empty, return 0(false)
*/
CORE_DECLARE(int) msgq_is_empty(msgq_id id);
#ifdef __cplusplus
}
#endif /* __cplusplus */