Adds -n option: wait on finnishing grandchild process

https://github.com/cronie-crond/cronie/pull/163
This commit is contained in:
Ondřej Pohořelský 2024-01-02 11:16:09 +01:00
parent 550f5c0f69
commit c47c5cbbbe
2 changed files with 28 additions and 0 deletions

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@ -11,6 +11,9 @@ License: GPL-2.0-or-later AND BSD-3-Clause AND BSD-2-Clause AND ISC AND LGPL-2
URL: https://github.com/cronie-crond/cronie
Source0: https://github.com/cronie-crond/cronie/releases/download/cronie-%{version}/cronie-%{version}.tar.gz
# https://github.com/cronie-crond/cronie/pull/163
Patch: n_option_wait_on_finnishing_grandchild_process.patch
Requires: dailyjobs
%if %{with selinux}

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@ -0,0 +1,25 @@
From 5cf85f8cbb816ff1df5b317d6f8559b67e1993dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Poho=C5=99elsk=C3=BD?= <opohorel@redhat.com>
Date: Wed, 25 Oct 2023 10:58:46 +0200
Subject: [PATCH] -n option: wait on finnishing grandchild process
With `WNOHANG` we skip sending the email when waitpid() returns 0,
which happens if the process is still running. Instead, using `0`
parameter will wait for the process to actually stop running.
---
src/do_command.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/do_command.c b/src/do_command.c
index d7ca840..2ada913 100644
--- a/src/do_command.c
+++ b/src/do_command.c
@@ -579,7 +579,7 @@ static int child_process(entry * e, char **jobenv) {
if (mail && e->flags & MAIL_WHEN_ERR) {
int jobstatus = -1;
if (jobpid > 0) {
- while (waitpid(jobpid, &jobstatus, WNOHANG) == -1) {
+ while (waitpid(jobpid, &jobstatus, 0) == -1) {
if (errno == EINTR) continue;
log_it("CRON", getpid(), "error", "invalid job pid", errno);
break;