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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
commitb750101eb236130cf056c675997decbac904cc49 (patch)
treea5df1a06754bdd014cb975c051c83b01c9a97532 /src/basic/missing_threads.h
parentInitial commit. (diff)
downloadsystemd-b750101eb236130cf056c675997decbac904cc49.tar.xz
systemd-b750101eb236130cf056c675997decbac904cc49.zip
Adding upstream version 252.22.upstream/252.22
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/missing_threads.h')
-rw-r--r--src/basic/missing_threads.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/basic/missing_threads.h b/src/basic/missing_threads.h
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+/* 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