diff options
| author |  Craig Tiller <craig.tiller@gmail.com> | 2015-05-28 07:39:31 -0700 |
|---|---|---|
| committer | Craig Tiller <craig.tiller@gmail.com> | 2015-05-28 07:39:31 -0700 |
| commit | baac94033183af25ca08b6f71e995d19a48a1111 (patch) | |
| tree | 2e337d840f5758b571562a443a0fb70e99d113df /src/core/iomgr | |
| parent | d1369aa134e8eaab1bde6a5ea36a8ba655c79a57 (diff) | |
Add comment
Diffstat (limited to 'src/core/iomgr')
| -rw-r--r-- | src/core/iomgr/pollset_posix.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c index a38517908d..826c792990 100644 --- a/src/core/iomgr/pollset_posix.c +++ b/src/core/iomgr/pollset_posix.c @@ -420,6 +420,8 @@ static int unary_poll_pollset_maybe_work(grpc_pollset *pollset, pfd[1].events = grpc_fd_begin_poll(fd, pollset, POLLIN, POLLOUT, &fd_watcher); + /* poll fd count (argument 2) is shortened by one if we have no events + to poll on - such that it only includes the kicker */ r = poll(pfd, GPR_ARRAY_SIZE(pfd) - (pfd[1].events == 0), timeout); GRPC_TIMER_MARK(GRPC_PTAG_POLL_FINISHED, r); |