diff options
Diffstat (limited to 'extras/libmemif/src/main.c')
| -rw-r--r-- | extras/libmemif/src/main.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/extras/libmemif/src/main.c b/extras/libmemif/src/main.c index 0c4adc256a2..b80dd6481b8 100644 --- a/extras/libmemif/src/main.c +++ b/extras/libmemif/src/main.c @@ -2506,14 +2506,18 @@ memif_rx_burst (memif_conn_handle_t conn, uint16_t qid, *rx = 0; uint64_t b; - ssize_t r = read (mq->int_fd, &b, sizeof (b)); - if (EXPECT_FALSE ((r == -1) && (errno != EAGAIN))) - return memif_syscall_error_handler (errno); + ssize_t r; cur_slot = (c->args.is_master) ? mq->last_head : mq->last_tail; last_slot = (c->args.is_master) ? ring->head : ring->tail; if (cur_slot == last_slot) - return MEMIF_ERR_SUCCESS; + { + r = read (mq->int_fd, &b, sizeof (b)); + if (EXPECT_FALSE ((r == -1) && (errno != EAGAIN))) + return memif_syscall_error_handler (errno); + + return MEMIF_ERR_SUCCESS; + } ns = last_slot - cur_slot; @@ -2562,6 +2566,10 @@ memif_rx_burst (memif_conn_handle_t conn, uint16_t qid, return MEMIF_ERR_NOBUF; } + r = read (mq->int_fd, &b, sizeof (b)); + if (EXPECT_FALSE ((r == -1) && (errno != EAGAIN))) + return memif_syscall_error_handler (errno); + return MEMIF_ERR_SUCCESS; /* 0 */ } |