diff options
Diffstat (limited to 'src/svm')
| -rw-r--r-- | src/svm/message_queue.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/src/svm/message_queue.c b/src/svm/message_queue.c index ab0d230b1f0..f2856532454 100644 --- a/src/svm/message_queue.c +++ b/src/svm/message_queue.c @@ -18,7 +18,7 @@ #include <vppinfra/format.h> #include <vppinfra/time.h> #include <sys/eventfd.h> -#include <sys/socket.h> +#include <poll.h> static inline svm_msg_q_ring_t * svm_msg_q_ring_inline (svm_msg_q_t * mq, u32 ring_index) @@ -629,25 +629,29 @@ svm_msg_q_timedwait (svm_msg_q_t *mq, double timeout) } else { - struct timeval tv; + struct pollfd fds = { .fd = mq->q.evtfd, .events = POLLIN }; u64 buf; int rv; - tv.tv_sec = (u64) timeout; - tv.tv_usec = ((u64) timeout - (u64) timeout) * 1e9; - rv = setsockopt (mq->q.evtfd, SOL_SOCKET, SO_RCVTIMEO, - (const char *) &tv, sizeof tv); + rv = poll (&fds, 1, timeout * 1e3 /* ms */); if (rv < 0) { - clib_unix_warning ("setsockopt"); + clib_unix_warning ("poll"); return -1; } + else if (rv == 0) + { + /* timeout occured */ + return 0; + } rv = read (mq->q.evtfd, &buf, sizeof (buf)); - if (rv < 0) - clib_warning ("read %u", errno); - - return rv < 0 ? errno : 0; + if (rv < 0 && errno != EAGAIN) + { + clib_warning ("read %u", errno); + return -2; + } + return 0; } } |