diff options
Diffstat (limited to 'lib/erl_interface/src/connect/send.c')
-rw-r--r-- | lib/erl_interface/src/connect/send.c | 74 |
1 files changed, 49 insertions, 25 deletions
diff --git a/lib/erl_interface/src/connect/send.c b/lib/erl_interface/src/connect/send.c index 37d7db6d68..d97532d123 100644 --- a/lib/erl_interface/src/connect/send.c +++ b/lib/erl_interface/src/connect/send.c @@ -58,10 +58,17 @@ int ei_send_encoded_tmo(int fd, const erlang_pid *to, char *s, header[1200]; /* see size calculation below */ erlang_trace *token = NULL; int index = 5; /* reserve 5 bytes for control message */ - int res; -#ifdef HAVE_WRITEV - struct iovec v[2]; -#endif + int err; + ei_socket_callbacks *cbs; + void *ctx; + ssize_t len, tot_len; + unsigned tmo = ms == 0 ? EI_SCLBK_INF_TMO : ms; + + err = EI_GET_CBS_CTX__(&cbs, &ctx, fd); + if (err) { + EI_CONN_SAVE_ERRNO__(err); + return ERL_ERROR; + } /* are we tracing? */ /* check that he can receive trace tokens first */ @@ -91,30 +98,47 @@ int ei_send_encoded_tmo(int fd, const erlang_pid *to, if (ei_tracelevel >= 4) ei_show_sendmsg(stderr,header,msg); -#ifdef HAVE_WRITEV - - v[0].iov_base = (char *)header; - v[0].iov_len = index; - v[1].iov_base = (char *)msg; - v[1].iov_len = msglen; - - if ((res = ei_writev_fill_t(fd,v,2,ms)) != index+msglen) { - erl_errno = (res == -2) ? ETIMEDOUT : EIO; - return -1; - } - -#else /* !HAVE_WRITEV */ - - if ((res = ei_write_fill_t(fd,header,index,ms)) != index) { - erl_errno = (res == -2) ? ETIMEDOUT : EIO; - return -1; + +#ifdef EI_HAVE_STRUCT_IOVEC__ + if (ei_socket_callbacks_have_writev__(cbs)) { + struct iovec v[2]; + + v[0].iov_base = (char *)header; + v[0].iov_len = index; + v[1].iov_base = (char *)msg; + v[1].iov_len = msglen; + + len = tot_len = (ssize_t) index+msglen; + err = ei_writev_fill_ctx_t__(cbs, ctx, v, 2, &len, tmo); + if (!err && len != tot_len) + err = EIO; + if (err) { + EI_CONN_SAVE_ERRNO__(err); + return -1; + } + + return 0; } - if ((res = ei_write_fill_t(fd,msg,msglen,ms)) != msglen) { - erl_errno = (res == -2) ? ETIMEDOUT : EIO; - return -1; +#endif /* EI_HAVE_STRUCT_IOVEC__ */ + + /* no writev() */ + len = tot_len = (ssize_t) index; + err = ei_write_fill_ctx_t__(cbs, ctx, header, &len, tmo); + if (!err && len != tot_len) + err = EIO; + if (err) { + EI_CONN_SAVE_ERRNO__(err); + return -1; } -#endif /* !HAVE_WRITEV */ + len = tot_len = (ssize_t) msglen; + err = ei_write_fill_ctx_t__(cbs, ctx, msg, &len, tmo); + if (!err && len != tot_len) + err = EIO; + if (err) { + EI_CONN_SAVE_ERRNO__(err); + return -1; + } return 0; } |