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List: xen-cvs
Subject: [Xen-changelog] [xen master] tools/xenconsoled: Preserve errno while rotating logfile handles
From: patchbot () xen ! org
Date: 2017-05-19 8:34:12
Message-ID: E1dBdMS-0006M7-RZ () xenbits ! xenproject ! org
[Download RAW message or body]
commit a7d4a5904b62731551e366ff62d84759c8ee68e2
Author: Andrew Cooper <andrew.cooper3@citrix.com>
AuthorDate: Tue May 16 14:57:27 2017 +0100
Commit: Wei Liu <wei.liu2@citrix.com>
CommitDate: Wed May 17 17:15:07 2017 +0100
tools/xenconsoled: Preserve errno while rotating logfile handles
The logic to optionally exit after a poll() error relies on errno, but
handle_log_reload() does not preserve it.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Release-acked-by: Julien Grall <julien.grall@arm.com>
---
tools/console/daemon/io.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/console/daemon/io.c b/tools/console/daemon/io.c
index 7e6a886..7e474bb 100644
--- a/tools/console/daemon/io.c
+++ b/tools/console/daemon/io.c
@@ -1117,8 +1117,12 @@ void handle_io(void)
ret = poll(fds, nr_fds, next_timeout ? poll_timeout : -1);
if (log_reload) {
+ int saved_errno = errno;
+
handle_log_reload();
log_reload = 0;
+
+ errno = saved_errno;
}
/* Abort if poll failed, except for EINTR cases
--
generated by git-patchbot for /home/xen/git/xen.git#master
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