src: create a getter for kernel version

Backport-PR-URL: https://github.com/nodejs/node/pull/32166
PR-URL: https://github.com/nodejs/node/pull/31732
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 11 insertions, 22 deletions

diff --git a/src/node_os.cc b/src/node_os.cc
index 12a4ec3551a..f84c0f216e3 100644
--- a/src/node_os.cc
+++ b/src/node_os.cc
@@ -76,7 +76,7 @@ static void GetHostname(const FunctionCallbackInfo<Value>& args) {
 }
 
 
-static void GetOSType(const FunctionCallbackInfo<Value>& args) {
+static void GetOSInformation(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   uv_utsname_t info;
   int err = uv_os_uname(&info);
@@ -87,26 +87,16 @@ static void GetOSType(const FunctionCallbackInfo<Value>& args) {
     return args.GetReturnValue().SetUndefined();
   }
 
-  args.GetReturnValue().Set(
-      String::NewFromUtf8(env->isolate(), info.sysname, NewStringType::kNormal)
-          .ToLocalChecked());
-}
-
-
-static void GetOSRelease(const FunctionCallbackInfo<Value>& args) {
-  Environment* env = Environment::GetCurrent(args);
-  uv_utsname_t info;
-  int err = uv_os_uname(&info);
+  // [sysname, version, release]
+  Local<Value> osInformation[] = {
+    String::NewFromUtf8(env->isolate(), info.sysname).ToLocalChecked(),
+    String::NewFromUtf8(env->isolate(), info.version).ToLocalChecked(),
+    String::NewFromUtf8(env->isolate(), info.release).ToLocalChecked()
+  };
 
-  if (err != 0) {
-    CHECK_GE(args.Length(), 1);
-    env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_os_uname");
-    return args.GetReturnValue().SetUndefined();
-  }
-
-  args.GetReturnValue().Set(
-      String::NewFromUtf8(env->isolate(), info.release, NewStringType::kNormal)
-          .ToLocalChecked());
+  args.GetReturnValue().Set(Array::New(env->isolate(),
+                                       osInformation,
+                                       arraysize(osInformation)));
 }
 
 
@@ -398,8 +388,7 @@ void Initialize(Local<Object> target,
   env->SetMethod(target, "getTotalMem", GetTotalMemory);
   env->SetMethod(target, "getFreeMem", GetFreeMemory);
   env->SetMethod(target, "getCPUs", GetCPUInfo);
-  env->SetMethod(target, "getOSType", GetOSType);
-  env->SetMethod(target, "getOSRelease", GetOSRelease);
+  env->SetMethod(target, "getOSInformation", GetOSInformation);
   env->SetMethod(target, "getInterfaceAddresses", GetInterfaceAddresses);
   env->SetMethod(target, "getHomeDirectory", GetHomeDirectory);
   env->SetMethod(target, "getUserInfo", GetUserInfo);