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authorriastradh <riastradh@NetBSD.org>2023-04-03 08:00:28 +0000
committerriastradh <riastradh@NetBSD.org>2023-04-03 08:00:28 +0000
commit658f87774cfaf62e132f485e714f1d548f69d77b (patch)
treefc8d0af396df3387765c4ce73276be3e1cd57ed2 /common
parentd316161240dee52beb685802b432399413956eac (diff)
libc __atomic_is_lock_free: Fix clang build with symbol hacks.
Diffstat (limited to 'common')
-rw-r--r--common/lib/libc/atomic/atomic_is_lock_free.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/common/lib/libc/atomic/atomic_is_lock_free.c b/common/lib/libc/atomic/atomic_is_lock_free.c
index dae40ca9964..0ebc0d0d7c3 100644
--- a/common/lib/libc/atomic/atomic_is_lock_free.c
+++ b/common/lib/libc/atomic/atomic_is_lock_free.c
@@ -1,4 +1,4 @@
-/* $NetBSD: atomic_is_lock_free.c,v 1.1 2023/03/30 15:03:36 riastradh Exp $ */
+/* $NetBSD: atomic_is_lock_free.c,v 1.2 2023/04/03 08:00:28 riastradh Exp $ */
/*-
* Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -27,12 +27,21 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: atomic_is_lock_free.c,v 1.1 2023/03/30 15:03:36 riastradh Exp $");
+__RCSID("$NetBSD: atomic_is_lock_free.c,v 1.2 2023/04/03 08:00:28 riastradh Exp $");
#include <sys/types.h>
#include <sys/stdbool.h>
+/*
+ * XXX Work around clang's built-in __atomic_is_lock_free by having the
+ * C name be different but using an asm rename to define the right
+ * symbol.
+ */
+#define __atomic_is_lock_free __atomic_is_lock_free_hack
+bool __atomic_is_lock_free(size_t, const volatile void *)
+ __RENAME("__atomic_is_lock_free");
+
bool
__atomic_is_lock_free(size_t n, const volatile void *p __unused)
{