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!25 attach: add err msg when call attach failed

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Merge pull request !25 from lifeng_isula/fix_mastetr
This commit is contained in:
openeuler-ci-bot 2020-04-30 15:56:52 +08:00 committed by Gitee
commit f50c80e3f6
3 changed files with 52 additions and 1 deletions
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49
0060-attach-append-error-msg-when-call-attach-failed.patch Normal file
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@ -0,0 +1,49 @@
From de512a0c11bff1bfc8f0045e144bddc689742a21 Mon Sep 17 00:00:00 2001
From: LiFeng <lifeng68@huawei.com>
Date: Thu, 30 Apr 2020 16:40:14 +0800
Subject: [PATCH] attach: append error msg when call attach failed
Signed-off-by: LiFeng <lifeng68@huawei.com>
---
src/lxc/tools/lxc_attach.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/lxc/tools/lxc_attach.c b/src/lxc/tools/lxc_attach.c
index 190f3c8..dbddc2a 100644
--- a/src/lxc/tools/lxc_attach.c
+++ b/src/lxc/tools/lxc_attach.c
@@ -401,12 +401,17 @@ static int do_attach_foreground(struct lxc_container *c, lxc_attach_command_t *c
ret = c->attach(c, lxc_attach_run_command, command, attach_options, &pid);
else
ret = c->attach(c, lxc_attach_run_shell, NULL, attach_options, &pid);
- if (ret < 0)
+ if (ret < 0) {
+ *errmsg = safe_strdup("Internal error, failed to call attach");
goto out;
+ }
ret = lxc_wait_for_pid_status(pid);
- if (ret < 0)
+ if (ret < 0) {
+ free(*errmsg);
+ *errmsg = safe_strdup("Internal error, failed to wait attached process");
goto out;
+ }
if (WIFEXITED(ret))
wexit = WEXITSTATUS(ret);
@@ -421,8 +426,10 @@ static int do_attach_foreground(struct lxc_container *c, lxc_attach_command_t *c
ERROR("Execd pid %d exit with %d", pid, wexit);
out:
- if (c->lxc_conf->errmsg)
+ if (c->lxc_conf->errmsg) {
+ free(*errmsg);
*errmsg = safe_strdup(c->lxc_conf->errmsg);
+ }
return wexit;
}
--
1.8.3.1

3
lxc.spec
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@ -1,4 +1,4 @@
%global _release 2020042801
%global _release 2020043001
%global debug_package %{nil}
Name: lxc
@ -67,6 +67,7 @@ Patch9055: 0056-attach-add-sigfd-to-monitor-the-exit-of-pid.patch
Patch9056: 0057-attach-add-read-data-from-attach-sigfd.patch
Patch9057: 0058-support-syslog-for-console.patch
Patch9058: 0059-set-state-to-stopped.patch
Patch9059: 0060-attach-append-error-msg-when-call-attach-failed.patch
BuildRequires: systemd-units git libtool graphviz docbook2X doxygen chrpath
BuildRequires: pkgconfig(libseccomp)

1
series.conf
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@ -57,3 +57,4 @@
0057-attach-add-read-data-from-attach-sigfd.patch
0058-support-syslog-for-console.patch
0059-set-state-to-stopped.patch
0060-attach-append-error-msg-when-call-attach-failed.patch