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[Qemu-devel] [PATCH 1/3] io: Implement QIO_CHANNEL_ERR_BROKEN
From: |
Sergio Lopez |
Subject: |
[Qemu-devel] [PATCH 1/3] io: Implement QIO_CHANNEL_ERR_BROKEN |
Date: |
Thu, 31 May 2018 09:45:59 +0200 |
QIO_CHANNEL_ERR_BROKEN is used to identify a potentially unrecoverable
error in the channel, like EPIPE.
---
include/io/channel.h | 1 +
io/channel-file.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/include/io/channel.h b/include/io/channel.h
index e8cdadb..bbe45f6 100644
--- a/include/io/channel.h
+++ b/include/io/channel.h
@@ -38,6 +38,7 @@ typedef struct QIOChannel QIOChannel;
typedef struct QIOChannelClass QIOChannelClass;
#define QIO_CHANNEL_ERR_BLOCK -2
+#define QIO_CHANNEL_ERR_BROKEN -3
typedef enum QIOChannelFeature QIOChannelFeature;
diff --git a/io/channel-file.c b/io/channel-file.c
index db948ab..a990f67 100644
--- a/io/channel-file.c
+++ b/io/channel-file.c
@@ -124,6 +124,9 @@ static ssize_t qio_channel_file_writev(QIOChannel *ioc,
if (errno == EAGAIN) {
return QIO_CHANNEL_ERR_BLOCK;
}
+ if (errno == EPIPE) {
+ return QIO_CHANNEL_ERR_BROKEN;
+ }
if (errno == EINTR) {
goto retry;
}
--
1.8.3.1