From 7e41c6b57dc14ffcb12ab49162ac2f7a93336ac7 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <barracuda@macos-powerpc.org>
Date: Sun, 8 Sep 2024 23:13:53 +0800
Subject: [PATCH] concurrent-ruby-ext: fix build on Darwin 32-bit
Fixes: https://github.com/ruby-concurrency/concurrent-ruby/issues/1063
---
ext/concurrent-ruby-ext/atomic_reference.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/ext/concurrent-ruby-ext/atomic_reference.c b/ext/concurrent-ruby-ext/atomic_reference.c
index d99e5afd5..81fb034d4 100644
--- a/ext/concurrent-ruby-ext/atomic_reference.c
+++ b/ext/concurrent-ruby-ext/atomic_reference.c
@@ -79,9 +79,15 @@ VALUE ir_get_and_set(VALUE self, VALUE new_value) {
VALUE ir_compare_and_set(volatile VALUE self, VALUE expect_value, VALUE new_value) {
#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050
+#if defined(__i386__) || defined(__ppc__)
+ if (OSAtomicCompareAndSwap32(expect_value, new_value, &DATA_PTR(self))) {
+ return Qtrue;
+ }
+#else
if (OSAtomicCompareAndSwap64(expect_value, new_value, &DATA_PTR(self))) {
return Qtrue;
}
+#endif
#elif defined(__sun)
/* Assuming VALUE is uintptr_t */
/* Based on the definition of uintptr_t from /usr/include/sys/int_types.h */