Move package sync to third_party

PiperOrigin-RevId: 231889261
Change-Id: I482f1df055bcedf4edb9fe3fe9b8e9c80085f1a0

1 files changed, 50 insertions, 0 deletions

diff --git a/third_party/gvsync/BUILD b/third_party/gvsync/BUILD
new file mode 100644
index 000000000..4764eaa83
--- /dev/null
+++ b/third_party/gvsync/BUILD
@@ -0,0 +1,50 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+package(
+    default_visibility = ["//:sandbox"],
+    licenses = ["notice"],
+)
+
+load("//tools/go_generics:defs.bzl", "go_template")
+
+go_template(
+    name = "generic_atomicptr",
+    srcs = ["atomicptr_unsafe.go"],
+    types = [
+        "Value",
+    ],
+)
+
+go_template(
+    name = "generic_seqatomic",
+    srcs = ["seqatomic_unsafe.go"],
+    types = [
+        "Value",
+    ],
+    deps = [
+        ":sync",
+    ],
+)
+
+go_library(
+    name = "gvsync",
+    srcs = [
+        "downgradable_rwmutex_unsafe.go",
+        "gvsync.go",
+        "memmove_unsafe.go",
+        "norace_unsafe.go",
+        "race_unsafe.go",
+        "seqcount.go",
+    ],
+    importpath = "gvisor.googlesource.com/gvisor/third_party/gvsync",
+)
+
+go_test(
+    name = "gvsync_test",
+    size = "small",
+    srcs = [
+        "downgradable_rwmutex_test.go",
+        "seqcount_test.go",
+    ],
+    embed = [":gvsync"],
+)