[Lldb-commits] [lldb] [lldb][Linux] Moving APIs from HostInfoLinux to HostInfoPosix (PR #119694)

[David Spickett via lldb-commits]

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@@ -27,6 +30,31 @@
 
 using namespace lldb_private;
 
+namespace {
+struct HostInfoPosixFields {
+  llvm::once_flag m_os_version_once_flag;
+  llvm::VersionTuple m_os_version;
+};
+} // namespace
+
+llvm::VersionTuple HostInfoPosix::GetOSVersion() {
+  static HostInfoPosixFields *g_fields = new HostInfoPosixFields();
+  assert(g_fields && "Missing call to Initialize?");
+  llvm::call_once(g_fields->m_os_version_once_flag, []() {
+    struct utsname un;
+    if (uname(&un) != 0)
+      return;
+
+    llvm::StringRef release = un.release;
+    // The kernel release string can include a lot of stuff (e.g.
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DavidSpickett wrote:

Other kernels are probably quirky too, but we know this referred to Linux originally.

https://github.com/llvm/llvm-project/pull/119694