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io: remove checking of EWOULDBLOCK

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Since we now canonicalize WSAEWOULDBLOCK into EAGAIN there is
no longer any need to explicitly check EWOULDBLOCK for Win32.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-03-10 17:17:33 +00:00
parent de7971ffb9
commit 30fd3e2790
3 changed files with 6 additions and 12 deletions
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6
io/channel-command.c
View File

@ -236,8 +236,7 @@ static ssize_t qio_channel_command_readv(QIOChannel *ioc,
retry:
ret = readv(cioc->readfd, iov, niov);
if (ret < 0) {
if (errno == EAGAIN ||
errno == EWOULDBLOCK) {
if (errno == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
if (errno == EINTR) {
@ -265,8 +264,7 @@ static ssize_t qio_channel_command_writev(QIOChannel *ioc,
retry:
ret = writev(cioc->writefd, iov, niov);
if (ret <= 0) {
if (errno == EAGAIN ||
errno == EWOULDBLOCK) {
if (errno == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
if (errno == EINTR) {

6
io/channel-file.c
View File

@ -96,8 +96,7 @@ static ssize_t qio_channel_file_readv(QIOChannel *ioc,
retry:
ret = readv(fioc->fd, iov, niov);
if (ret < 0) {
if (errno == EAGAIN ||
errno == EWOULDBLOCK) {
if (errno == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
if (errno == EINTR) {
@ -125,8 +124,7 @@ static ssize_t qio_channel_file_writev(QIOChannel *ioc,
retry:
ret = writev(fioc->fd, iov, niov);
if (ret <= 0) {
if (errno == EAGAIN ||
errno == EWOULDBLOCK) {
if (errno == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
if (errno == EINTR) {

6
io/channel-socket.c
View File

@ -466,8 +466,7 @@ static ssize_t qio_channel_socket_readv(QIOChannel *ioc,
retry:
ret = recvmsg(sioc->fd, &msg, sflags);
if (ret < 0) {
if (socket_error() == EAGAIN ||
socket_error() == EWOULDBLOCK) {
if (socket_error() == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
if (socket_error() == EINTR) {
@ -526,8 +525,7 @@ static ssize_t qio_channel_socket_writev(QIOChannel *ioc,
retry:
ret = sendmsg(sioc->fd, &msg, 0);
if (ret <= 0) {
if (socket_error() == EAGAIN ||
socket_error() == EWOULDBLOCK) {
if (socket_error() == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
if (socket_error() == EINTR) {