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| author | Garrett D'Amore <garrett@damore.org> | 2017-11-13 21:10:03 -0800 |
|---|---|---|
| committer | Garrett D'Amore <garrett@damore.org> | 2017-11-13 21:10:03 -0800 |
| commit | e8694d15d0a108895bf869f292d59e11d834361e (patch) | |
| tree | d87b8d396953fee653fbcbee92521395d0cec1fe /src/core/platform.h | |
| parent | ac6019bfabac887274fb9d8b2a167df940ba6121 (diff) | |
| download | nng-e8694d15d0a108895bf869f292d59e11d834361e.tar.gz nng-e8694d15d0a108895bf869f292d59e11d834361e.tar.bz2 nng-e8694d15d0a108895bf869f292d59e11d834361e.zip | |
fixes #154 underlyng TCP & IPC transports should support partial recv/send
fixes #155 POSIX TCP & IPC could avoid a lot of context switches
Diffstat (limited to 'src/core/platform.h')
| -rw-r--r-- | src/core/platform.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/core/platform.h b/src/core/platform.h index bff7f709..9e193175 100644 --- a/src/core/platform.h +++ b/src/core/platform.h @@ -229,8 +229,17 @@ extern void nni_plat_tcp_pipe_close(nni_plat_tcp_pipe *); // The platform may modify the iovs. extern void nni_plat_tcp_pipe_send(nni_plat_tcp_pipe *, nni_aio *); -// nni_plat_tcp_pipe_recv recvs data into the buffers provided by the iovs. -// The platform may modify the iovs. +// nni_plat_tcp_pipe_recv receives data into the buffers provided by the +// I/O vector (iovs). The platform should attempt to scatter the received +// data into the iovs if possible. +// +// It is an error for the caller to supply any IO vector elements with +// zero length. +// +// It is possible for the TCP reader to return less data than is requested, +// in which case the caller is responsible for resubmitting. The platform +// should not return "zero" data however. (It is an error to attempt to +// receive zero bytes.) The platform may not modify the I/O vector. extern void nni_plat_tcp_pipe_recv(nni_plat_tcp_pipe *, nni_aio *); // nni_plat_tcp_pipe_peername gets the peer name. |