Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 62 insertions, 0 deletions

diff --git a/pkg/sentry/kernel/semaphore/BUILD b/pkg/sentry/kernel/semaphore/BUILD
new file mode 100644
index 000000000..1656ad126
--- /dev/null
+++ b/pkg/sentry/kernel/semaphore/BUILD
@@ -0,0 +1,62 @@
+package(licenses = ["notice"])  # Apache 2.0
+
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+load("//tools/go_generics:defs.bzl", "go_template_instance")
+load("//tools/go_stateify:defs.bzl", "go_stateify")
+
+go_template_instance(
+    name = "waiter_list",
+    out = "waiter_list.go",
+    package = "semaphore",
+    prefix = "waiter",
+    template = "//pkg/ilist:generic_list",
+    types = {
+        "Linker": "*waiter",
+    },
+)
+
+go_stateify(
+    name = "semaphore_state",
+    srcs = [
+        "semaphore.go",
+        "waiter_list.go",
+    ],
+    out = "semaphore_autogen_state.go",
+    package = "semaphore",
+)
+
+go_library(
+    name = "semaphore",
+    srcs = [
+        "semaphore.go",
+        "semaphore_autogen_state.go",
+        "waiter_list.go",
+    ],
+    importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore",
+    visibility = ["//pkg/sentry:internal"],
+    deps = [
+        "//pkg/abi/linux",
+        "//pkg/log",
+        "//pkg/sentry/context",
+        "//pkg/sentry/fs",
+        "//pkg/sentry/kernel/auth",
+        "//pkg/sentry/kernel/time",
+        "//pkg/state",
+        "//pkg/state/statefile",
+        "//pkg/syserror",
+    ],
+)
+
+go_test(
+    name = "semaphore_test",
+    size = "small",
+    srcs = ["semaphore_test.go"],
+    embed = [":semaphore"],
+    deps = [
+        "//pkg/abi/linux",
+        "//pkg/sentry/context",
+        "//pkg/sentry/context/contexttest",
+        "//pkg/sentry/kernel/auth",
+        "//pkg/syserror",
+    ],
+)