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If we are only writing or reading a single iovec, use the non-v versions of the calls, so we are hitting the exact same syscalls as non-uv, and it makes dtruss output easier to read.

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This commit is contained in:
Paul Querna 2011-07-06 21:23:06 -07:00
parent a4b05abce6
commit dc1d55dfec
1 changed files with 7 additions and 2 deletions
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9
uv-unix.c
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@ -616,7 +616,12 @@ static uv_req_t* uv__write(uv_tcp_t* tcp) {
* inside the iov each time we write. So there is no need to offset it.
*/
n = writev(tcp->fd, iov, iovcnt);
if (iovcnt == 1) {
n = write(tcp->fd, iov[0].iov_base, iov[0].iov_len);
}
else {
n = writev(tcp->fd, iov, iovcnt);
}
if (n < 0) {
if (errno != EAGAIN) {
@ -735,7 +740,7 @@ void uv__read(uv_tcp_t* tcp) {
iov = (struct iovec*) &buf;
nread = readv(tcp->fd, iov, 1);
nread = read(tcp->fd, buf.base, buf.len);
if (nread < 0) {
/* Error */