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systemd/SOURCES/1025-Include-threads.h-if-possible-to-get-thread_local-de.patch

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import UBI systemd-252-46.el9_5.2
2024-11-12 10:48:44 +00:00
From 07e0a7f9a4f38e163082af202db0fbc795bc369c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cristian=20Rodr=C3=ADguez?= <crodriguez@owncloud.com>
Date: Tue, 3 Jan 2023 17:52:08 +0000
Subject: [PATCH] Include <threads.h> if possible to get thread_local
definition
IN C23, thread_local is a reserved keyword and we shall therefore
do nothing to redefine it. glibc has it defined for older standard
version with the right conditions.
v2 by Yu Watanabe:
Move the definition to missing_threads.h like the way we define e.g.
missing syscalls or missing definitions, and include it by the users.
Co-authored-by: Yu Watanabe <watanabe.yu+github@gmail.com>
(cherry picked from commit 5545f336fd09148e8d9aa7f83ed19384deaf7a64)
Related: RHEL-50651
---
meson.build | 1 +
src/basic/capability-util.c | 1 +
src/basic/cgroup-util.c | 1 +
src/basic/log.c | 1 +
src/basic/macro.h | 14 --------------
src/basic/memory-util.c | 1 +
src/basic/missing_threads.h | 15 +++++++++++++++
src/basic/process-util.c | 1 +
src/basic/random-util.c | 1 +
src/basic/signal-util.c | 1 +
src/basic/time-util.c | 1 +
src/basic/uid-alloc-range.c | 1 +
src/basic/virt.c | 1 +
src/libsystemd/sd-bus/sd-bus.c | 1 +
src/libsystemd/sd-event/sd-event.c | 1 +
src/libsystemd/sd-id128/sd-id128.c | 1 +
src/libsystemd/sd-journal/journal-file.c | 1 +
src/libsystemd/sd-resolve/sd-resolve.c | 1 +
src/login/logind-inhibit.c | 1 +
src/network/networkd-route-util.c | 1 +
src/nss-systemd/nss-systemd.c | 1 +
src/shared/cgroup-setup.c | 1 +
src/shared/psi-util.c | 1 +
23 files changed, 36 insertions(+), 14 deletions(-)
create mode 100644 src/basic/missing_threads.h
diff --git a/meson.build b/meson.build
index 274e43ba9e..cbde702211 100644
--- a/meson.build
+++ b/meson.build
@@ -745,6 +745,7 @@ foreach header : ['crypt.h',
'linux/memfd.h',
'linux/vm_sockets.h',
'sys/auxv.h',
+ 'threads.h',
'valgrind/memcheck.h',
'valgrind/valgrind.h',
'linux/time_types.h',
diff --git a/src/basic/capability-util.c b/src/basic/capability-util.c
index fa74b5b9c6..df04d461ad 100644
--- a/src/basic/capability-util.c
+++ b/src/basic/capability-util.c
@@ -13,6 +13,7 @@
#include "log.h"
#include "macro.h"
#include "missing_prctl.h"
+#include "missing_threads.h"
#include "parse-util.h"
#include "user-util.h"
#include "util.h"
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index b03cc70e2e..5266f93606 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -23,6 +23,7 @@
#include "login-util.h"
#include "macro.h"
#include "missing_magic.h"
+#include "missing_threads.h"
#include "mkdir.h"
#include "parse-util.h"
#include "path-util.h"
diff --git a/src/basic/log.c b/src/basic/log.c
index 39d08b0928..2e1642dc20 100644
--- a/src/basic/log.c
+++ b/src/basic/log.c
@@ -23,6 +23,7 @@
#include "log.h"
#include "macro.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "parse-util.h"
#include "proc-cmdline.h"
#include "process-util.h"
diff --git a/src/basic/macro.h b/src/basic/macro.h
index 6893a1ff32..c2934f9951 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -319,20 +319,6 @@ static inline int __coverity_check_and_return__(int condition) {
p != (typeof(p)) POINTER_MAX; \
p = *(++_l))
-/* Define C11 thread_local attribute even on older gcc compiler
- * version */
-#ifndef thread_local
-/*
- * Don't break on glibc < 2.16 that doesn't define __STDC_NO_THREADS__
- * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769
- */
-#if __STDC_VERSION__ >= 201112L && !(defined(__STDC_NO_THREADS__) || (defined(__GNU_LIBRARY__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16))
-#define thread_local _Thread_local
-#else
-#define thread_local __thread
-#endif
-#endif
-
#define _FOREACH_ARRAY(i, array, num, m, end) \
for (typeof(array[0]) *i = (array), *end = ({ \
typeof(num) m = (num); \
diff --git a/src/basic/memory-util.c b/src/basic/memory-util.c
index c4f54c7b4e..fcedae2d41 100644
--- a/src/basic/memory-util.c
+++ b/src/basic/memory-util.c
@@ -3,6 +3,7 @@
#include <unistd.h>
#include "memory-util.h"
+#include "missing_threads.h"
size_t page_size(void) {
static thread_local size_t pgsz = 0;
diff --git a/src/basic/missing_threads.h b/src/basic/missing_threads.h
new file mode 100644
index 0000000000..fb3b72249b
--- /dev/null
+++ b/src/basic/missing_threads.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+/* If threads.h doesn't exist, then define our own thread_local to match C11's thread_local. */
+#if HAVE_THREADS_H
+# include <threads.h>
+#elif !(defined(thread_local))
+/* Don't break on glibc < 2.16 that doesn't define __STDC_NO_THREADS__
+ * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769 */
+# if __STDC_VERSION__ >= 201112L && !(defined(__STDC_NO_THREADS__) || (defined(__GNU_LIBRARY__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16))
+# define thread_local _Thread_local
+# else
+# define thread_local __thread
+# endif
+#endif
diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index 0213f5913f..65367768c9 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -34,6 +34,7 @@
#include "memory-util.h"
#include "missing_sched.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "namespace-util.h"
#include "path-util.h"
#include "process-util.h"
diff --git a/src/basic/random-util.c b/src/basic/random-util.c
index d8734cc7d0..200a914196 100644
--- a/src/basic/random-util.c
+++ b/src/basic/random-util.c
@@ -24,6 +24,7 @@
#include "io-util.h"
#include "missing_random.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "parse-util.h"
#include "random-util.h"
#include "sha256.h"
diff --git a/src/basic/signal-util.c b/src/basic/signal-util.c
index b61c18b2de..fdbe7f43ac 100644
--- a/src/basic/signal-util.c
+++ b/src/basic/signal-util.c
@@ -5,6 +5,7 @@
#include "errno-util.h"
#include "macro.h"
+#include "missing_threads.h"
#include "parse-util.h"
#include "signal-util.h"
#include "stdio-util.h"
diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 71b2f67350..f5e10bba1a 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -17,6 +17,7 @@
#include "io-util.h"
#include "log.h"
#include "macro.h"
+#include "missing_threads.h"
#include "missing_timerfd.h"
#include "parse-util.h"
#include "path-util.h"
diff --git a/src/basic/uid-alloc-range.c b/src/basic/uid-alloc-range.c
index 1b6d761a66..8b3741e438 100644
--- a/src/basic/uid-alloc-range.c
+++ b/src/basic/uid-alloc-range.c
@@ -3,6 +3,7 @@
#include "chase-symlinks.h"
#include "fd-util.h"
#include "fileio.h"
+#include "missing_threads.h"
#include "string-util.h"
#include "uid-alloc-range.h"
#include "user-util.h"
diff --git a/src/basic/virt.c b/src/basic/virt.c
index 710f0372ea..2a8e696a45 100644
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -16,6 +16,7 @@
#include "fd-util.h"
#include "fileio.h"
#include "macro.h"
+#include "missing_threads.h"
#include "process-util.h"
#include "stat-util.h"
#include "string-table.h"
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index c3a1bae295..10efe53a25 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -37,6 +37,7 @@
#include "macro.h"
#include "memory-util.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index cd73cd8bfd..165abfc314 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -19,6 +19,7 @@
#include "macro.h"
#include "memory-util.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "prioq.h"
#include "process-util.h"
#include "set.h"
diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c
index ec53617fce..15177bc3c9 100644
--- a/src/libsystemd/sd-id128/sd-id128.c
+++ b/src/libsystemd/sd-id128/sd-id128.c
@@ -14,6 +14,7 @@
#include "io-util.h"
#include "macro.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "random-util.h"
#include "stat-util.h"
#include "user-util.h"
diff --git a/src/libsystemd/sd-journal/journal-file.c b/src/libsystemd/sd-journal/journal-file.c
index 2b66b3caed..e8c9d4dc3d 100644
--- a/src/libsystemd/sd-journal/journal-file.c
+++ b/src/libsystemd/sd-journal/journal-file.c
@@ -25,6 +25,7 @@
#include "journal-file.h"
#include "lookup3.h"
#include "memory-util.h"
+#include "missing_threads.h"
#include "path-util.h"
#include "random-util.h"
#include "set.h"
diff --git a/src/libsystemd/sd-resolve/sd-resolve.c b/src/libsystemd/sd-resolve/sd-resolve.c
index 5362ec0fa8..ba88168f02 100644
--- a/src/libsystemd/sd-resolve/sd-resolve.c
+++ b/src/libsystemd/sd-resolve/sd-resolve.c
@@ -22,6 +22,7 @@
#include "list.h"
#include "memory-util.h"
#include "missing_syscall.h"
+#include "missing_threads.h"
#include "process-util.h"
#include "resolve-private.h"
#include "socket-util.h"
diff --git a/src/login/logind-inhibit.c b/src/login/logind-inhibit.c
index 16612ddf18..26caa2b5b5 100644
--- a/src/login/logind-inhibit.c
+++ b/src/login/logind-inhibit.c
@@ -17,6 +17,7 @@
#include "io-util.h"
#include "logind-dbus.h"
#include "logind-inhibit.h"
+#include "missing_threads.h"
#include "mkdir-label.h"
#include "parse-util.h"
#include "path-util.h"
diff --git a/src/network/networkd-route-util.c b/src/network/networkd-route-util.c
index 0366382093..d461aadd65 100644
--- a/src/network/networkd-route-util.c
+++ b/src/network/networkd-route-util.c
@@ -3,6 +3,7 @@
#include <linux/rtnetlink.h>
#include "alloc-util.h"
+#include "missing_threads.h"
#include "networkd-address.h"
#include "networkd-link.h"
#include "networkd-manager.h"
diff --git a/src/nss-systemd/nss-systemd.c b/src/nss-systemd/nss-systemd.c
index 75d749e736..1d6e25399f 100644
--- a/src/nss-systemd/nss-systemd.c
+++ b/src/nss-systemd/nss-systemd.c
@@ -9,6 +9,7 @@
#include "fd-util.h"
#include "log.h"
#include "macro.h"
+#include "missing_threads.h"
#include "nss-systemd.h"
#include "nss-util.h"
#include "pthread-util.h"
diff --git a/src/shared/cgroup-setup.c b/src/shared/cgroup-setup.c
index 2ea83f05d3..65be851014 100644
--- a/src/shared/cgroup-setup.c
+++ b/src/shared/cgroup-setup.c
@@ -8,6 +8,7 @@
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
+#include "missing_threads.h"
#include "mkdir.h"
#include "parse-util.h"
#include "path-util.h"
diff --git a/src/shared/psi-util.c b/src/shared/psi-util.c
index 8bdd0d4a85..c91bbc3013 100644
--- a/src/shared/psi-util.c
+++ b/src/shared/psi-util.c
@@ -8,6 +8,7 @@
#include "extract-word.h"
#include "fd-util.h"
#include "fileio.h"
+#include "missing_threads.h"
#include "parse-util.h"
#include "psi-util.h"
#include "string-util.h"
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