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-rw-r--r--src/config.h7
-rw-r--r--src/thread.h9
2 files changed, 16 insertions, 0 deletions
diff --git a/src/config.h b/src/config.h
index e3048c4..862a839 100644
--- a/src/config.h
+++ b/src/config.h
@@ -59,6 +59,9 @@
#if __has_include(<sys/xattr.h>)
# define BFS_HAS_SYS_XATTR_H true
#endif
+#if __has_include(<threads.h>)
+# define BFS_HAS_THREADS_H true
+#endif
#if __has_include(<util.h>)
# define BFS_HAS_UTIL_H true
#endif
@@ -74,6 +77,7 @@
#define BFS_HAS_SYS_PARAM_H true
#define BFS_HAS_SYS_SYSMACROS_H __GLIBC__
#define BFS_HAS_SYS_XATTR_H __linux__
+#define BFS_HAS_THREADS_H (!__STDC_NO_THREADS__)
#define BFS_HAS_UTIL_H __NetBSD__
#endif // !__has_include
@@ -105,6 +109,9 @@
#ifndef BFS_USE_SYS_XATTR_H
# define BFS_USE_SYS_XATTR_H BFS_HAS_SYS_XATTR_H
#endif
+#ifndef BFS_USE_THREADS_H
+# define BFS_USE_THREADS_H BFS_HAS_THREADS_H
+#endif
#ifndef BFS_USE_UTIL_H
# define BFS_USE_UTIL_H BFS_HAS_UTIL_H
#endif
diff --git a/src/thread.h b/src/thread.h
index 45b5e1f..ab95a79 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -8,11 +8,20 @@
#ifndef BFS_THREAD_H
#define BFS_THREAD_H
+#include "config.h"
#include "diag.h"
#include <errno.h>
#include <pthread.h>
#include <string.h>
+#if __STDC_VERSION__ < 202311L && !defined(thread_local)
+# if BFS_USE_THREADS_H
+# include <threads.h>
+# else
+# define thread_local _Thread_local
+# endif
+#endif
+
#define thread_verify(expr, cond) \
bfs_verify((errno = (expr), (cond)), "%s: %s", #expr, strerror(errno))