From 0688d9f8ec38fd7dc7088a834f6e5176d378ae6b Mon Sep 17 00:00:00 2001
From: FreeBSD Ports Collection <ports@FreeBSD.org>
Date: Sun, 29 Mar 2026 20:05:19 -0700
Subject: [PATCH] FreeBSD: fix sys/statfs.h, memfd_create, cgroup

---
 src/datadog/platform_util.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/datadog/platform_util.cpp b/src/datadog/platform_util.cpp
index 854c117..d2c5a7b 100644
--- a/src/datadog/platform_util.cpp
+++ b/src/datadog/platform_util.cpp
@@ -25,6 +25,9 @@
 #    include <sys/sysctl.h>
 #    define DD_SDK_OS "Darwin"
 #    define DD_SDK_KERNEL "Darwin"
+#  elif defined(__FreeBSD__)
+#    define DD_SDK_OS "FreeBSD"
+#    define DD_SDK_KERNEL "FreeBSD"
 #  elif defined(__linux__) || defined(__unix__)
 #    define DD_SDK_OS "GNU/Linux"
 #    define DD_SDK_KERNEL "Linux"
@@ -81,6 +84,12 @@ std::string get_os_version() {
 
   return "";
 }
+#elif defined(__FreeBSD__)
+std::string get_os_version() {
+  struct utsname buffer;
+  if (uname(&buffer) != 0) return "";
+  return buffer.release;
+}
 #endif
 
 #if defined(__APPLE__) || defined(__linux__) || defined(__unix__)
@@ -246,7 +255,7 @@ InMemoryFile& InMemoryFile::operator=(InMemoryFile&& rhs) {
   return *this;
 }
 
-#if defined(__linux__) || defined(__unix__)
+#if defined(__linux__)
 
 InMemoryFile::~InMemoryFile() {
   /// NOTE(@dmehala): No need to close the fd since it is automatically handled
@@ -290,7 +299,7 @@ Expected<InMemoryFile> InMemoryFile::make(StringView) {
 
 namespace container {
 namespace {
-#if defined(__linux__) || defined(__unix__)
+#if defined(__linux__)
 /// Magic numbers from linux/magic.h:
 /// <https://github.com/torvalds/linux/blob/ca91b9500108d4cf083a635c2e11c884d5dd20ea/include/uapi/linux/magic.h#L71>
 constexpr uint64_t TMPFS_MAGIC = 0x01021994;
@@ -403,7 +412,7 @@ Optional<std::string> find_container_id(std::istream& source) {
 }
 
 Optional<ContainerID> get_id() {
-#if defined(__linux__) || defined(__unix__)
+#if defined(__linux__)
   auto maybe_cgroup = get_cgroup_version();
   if (!maybe_cgroup) return nullopt;
 
-- 
2.53.0