[PATCH 3/3] logging: fix endless loop on EOF
Nikolay Shirokovskiy
nshirokovskiy at virtuozzo.com
Thu Sep 24 13:24:33 UTC 2020
On EOF condition we always have POLLHUP event and read returns
0 thus we never break loop in virLogHandlerDomainLogFileDrain.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy at virtuozzo.com>
---
src/logging/log_handler.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/logging/log_handler.c b/src/logging/log_handler.c
index c04f341..152ca24 100644
--- a/src/logging/log_handler.c
+++ b/src/logging/log_handler.c
@@ -464,6 +464,8 @@ virLogHandlerDomainLogFileDrain(virLogHandlerLogFilePtr file)
if (errno == EINTR)
continue;
return;
+ } else if (len == 0) {
+ return;
}
if (virRotatingFileWriterAppend(file->file, buf, len) != len)
--
1.8.3.1
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