diff options
Diffstat (limited to 'src/core/iomgr/pollset_posix.h')
| -rw-r--r-- | src/core/iomgr/pollset_posix.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/iomgr/pollset_posix.h b/src/core/iomgr/pollset_posix.h index 92c258e0cd..ba3d638d41 100644 --- a/src/core/iomgr/pollset_posix.h +++ b/src/core/iomgr/pollset_posix.h @@ -94,6 +94,15 @@ int grpc_kick_read_fd(grpc_pollset *p); /* Call after polling has been kicked to leave the kicked state */ void grpc_kick_drain(grpc_pollset *p); +/* Convert a timespec to milliseconds: + - very small or negative poll times are clamped to zero to do a + non-blocking poll (which becomes spin polling) + - other small values are rounded up to one millisecond + - longer than a millisecond polls are rounded up to the next nearest + millisecond to avoid spinning + - infinite timeouts are converted to -1 */ +int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline, gpr_timespec now); + /* turn a pollset into a multipoller: platform specific */ typedef void (*grpc_platform_become_multipoller_type)(grpc_pollset *pollset, struct grpc_fd **fds, |