diff options
Diffstat (limited to 'src/svm/svm_fifo.h')
| -rw-r--r-- | src/svm/svm_fifo.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h index 39556173e4d..80e5b0f2d39 100644 --- a/src/svm/svm_fifo.h +++ b/src/svm/svm_fifo.h @@ -44,14 +44,16 @@ typedef struct typedef struct { + volatile u32 cursize; /**< current fifo size */ + u32 nitems; + CLIB_CACHE_LINE_ALIGN_MARK (end_cursize); + pthread_mutex_t mutex; /* 8 bytes */ pthread_cond_t condvar; /* 8 bytes */ svm_lock_tag_t tag; - volatile u32 cursize; /**< current fifo size */ volatile u8 has_event; /**< non-zero if deq event exists */ u32 owner_pid; - u32 nitems; /* Backpointers */ u32 server_session_index; @@ -105,7 +107,7 @@ svm_fifo_max_dequeue (svm_fifo_t * f) static inline u32 svm_fifo_max_enqueue (svm_fifo_t * f) { - return f->nitems - f->cursize; + return f->nitems - svm_fifo_max_dequeue (f); } static inline u8 |