diff options
Diffstat (limited to 'src/svm/message_queue.h')
| -rw-r--r-- | src/svm/message_queue.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/svm/message_queue.h b/src/svm/message_queue.h index bd76eda5d88..4473c44f4e3 100644 --- a/src/svm/message_queue.h +++ b/src/svm/message_queue.h @@ -193,6 +193,17 @@ void svm_msg_q_free_msg (svm_msg_q_t * mq, svm_msg_q_msg_t * msg); /** * Producer enqueue one message to queue * + * Must be called with mq locked. Prior to calling this, the producer should've + * obtained a message buffer from one of the rings. + * + * @param mq message queue + * @param msg message to be enqueued + */ +void svm_msg_q_add_raw (svm_msg_q_t *mq, svm_msg_q_msg_t *msg); + +/** + * Producer enqueue one message to queue + * * Prior to calling this, the producer should've obtained a message buffer * from one of the rings by calling @ref svm_msg_q_alloc_msg. * @@ -328,6 +339,12 @@ svm_msg_q_ring_is_full (svm_msg_q_t * mq, u32 ring_index) return (clib_atomic_load_relax_n (&ring->shr->cursize) >= ring->nitems); } +static inline u8 +svm_msg_q_or_ring_is_full (svm_msg_q_t *mq, u32 ring_index) +{ + return (svm_msg_q_is_full (mq) || svm_msg_q_ring_is_full (mq, ring_index)); +} + /** * Check if message queue is empty */ @@ -418,6 +435,14 @@ int svm_msg_q_wait (svm_msg_q_t *mq, svm_msg_q_wait_type_t type); int svm_msg_q_wait_prod (svm_msg_q_t *mq); /** + * Wait for message queue or ring event as producer + * + * Similar to @ref svm_msg_q_wait but lock (mutex or spinlock) must + * be held. Should only be called by producers. + */ +int svm_msg_q_or_ring_wait_prod (svm_msg_q_t *mq, u32 ring_index); + +/** * Timed wait for message queue event * * Must be called with mutex held. |