Module Name:    src
Committed By:   riastradh
Date:           Mon Apr  3 08:00:28 UTC 2023

Modified Files:
        src/common/lib/libc/atomic: atomic_is_lock_free.c

Log Message:
libc __atomic_is_lock_free: Fix clang build with symbol hacks.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/common/lib/libc/atomic/atomic_is_lock_free.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/common/lib/libc/atomic/atomic_is_lock_free.c
diff -u src/common/lib/libc/atomic/atomic_is_lock_free.c:1.1 src/common/lib/libc/atomic/atomic_is_lock_free.c:1.2
--- src/common/lib/libc/atomic/atomic_is_lock_free.c:1.1	Thu Mar 30 15:03:36 2023
+++ src/common/lib/libc/atomic/atomic_is_lock_free.c	Mon Apr  3 08:00:28 2023
@@ -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)
 {

Reply via email to