diff options
| -rw-r--r-- | src/signaler.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/signaler.cpp b/src/signaler.cpp index 3045467..fb72a07 100644 --- a/src/signaler.cpp +++ b/src/signaler.cpp @@ -206,8 +206,16 @@ void zmq::signaler_t::recv () uint64_t dummy; ssize_t sz = read (r, &dummy, sizeof (dummy)); errno_assert (sz == sizeof (dummy)); -if (dummy != 1) -printf ("dummy:%d\n", (int) dummy); + + // If we accidentally grabbed the next signal along with the current + // one, return it back to the eventfd object. + if (unlikely (dummy == 2)) { + const uint64_t inc = 1; + ssize_t sz = write (w, &inc, sizeof (inc)); + errno_assert (sz == sizeof (inc)); + return; + } + zmq_assert (dummy == 1); #else unsigned char dummy; |