1 files changed, 88 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/sync/atomic2/atomic.v b/v_windows/v/old/vlib/sync/atomic2/atomic.v
new file mode 100644
index 0000000..2ff64f2
--- /dev/null
+++ b/v_windows/v/old/vlib/sync/atomic2/atomic.v
@@ -0,0 +1,88 @@
+module atomic2
+
+/*
+Implements the atomic operations. For now TCC does not support
+the atomic versions on nix so it uses locks to simulate the same behavor.
+On windows tcc can simulate with other atomic operations.
+
+The @VEXEROOT/thirdparty/stdatomic contains compability header files
+for stdatomic that supports both nix, windows and c++.
+
+This implementations should be regarded as alpha stage and be
+further tested.
+*/
+
+#flag windows -I @VEXEROOT/thirdparty/stdatomic/win
+#flag linux -I @VEXEROOT/thirdparty/stdatomic/nix
+#flag darwin -I @VEXEROOT/thirdparty/stdatomic/nix
+#flag freebsd -I @VEXEROOT/thirdparty/stdatomic/nix
+#flag solaris -I @VEXEROOT/thirdparty/stdatomic/nix
+
+$if linux {
+	$if tinyc {
+		$if amd64 {
+			// most Linux distributions have /usr/lib/libatomic.so, but Ubuntu uses gcc version specific dir
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/6
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/7
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/8
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/9
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/10
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/11
+			#flag -L/usr/lib/gcc/x86_64-linux-gnu/12
+		} $else $if arm64 {
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/6
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/7
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/8
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/9
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/10
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/11
+			#flag -L/usr/lib/gcc/aarch64-linux-gnu/12
+		}
+		#flag -latomic
+	}
+}
+#include <atomic.h>
+// add_u64 adds provided delta as an atomic operation
+pub fn add_u64(ptr &u64, delta int) bool {
+	res := C.atomic_fetch_add_u64(voidptr(ptr), delta)
+	return res == 0
+}
+
+// sub_u64 subtracts provided delta as an atomic operation
+pub fn sub_u64(ptr &u64, delta int) bool {
+	res := C.atomic_fetch_sub_u64(voidptr(ptr), delta)
+	return res == 0
+}
+
+// add_i64 adds provided delta as an atomic operation
+pub fn add_i64(ptr &i64, delta int) bool {
+	res := C.atomic_fetch_add_u64(voidptr(ptr), delta)
+	return res == 0
+}
+
+// add_i64 subtracts provided delta as an atomic operation
+pub fn sub_i64(ptr &i64, delta int) bool {
+	res := C.atomic_fetch_sub_u64(voidptr(ptr), delta)
+	return res == 0
+}
+
+// atomic store/load operations have to be used when there might be another concurrent access
+// atomicall set a value
+pub fn store_u64(ptr &u64, val u64) {
+	C.atomic_store_u64(voidptr(ptr), val)
+}
+
+// atomicall get a value
+pub fn load_u64(ptr &u64) u64 {
+	return C.atomic_load_u64(voidptr(ptr))
+}
+
+// atomicall set a value
+pub fn store_i64(ptr &i64, val i64) {
+	C.atomic_store_u64(voidptr(ptr), val)
+}
+
+// atomicall get a value
+pub fn load_i64(ptr &i64) i64 {
+	return i64(C.atomic_load_u64(voidptr(ptr)))
+}