From 647441c06c31625ddd04385d6a8ed2e46ca81af6 Mon Sep 17 00:00:00 2001
From: Jason Dellaluce <jasondellaluce@gmail.com>
Date: Wed, 22 Feb 2023 16:13:10 +0000
Subject: [PATCH] fix(userspace/falco): solve gettid compilation issues

Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>
---
 userspace/falco/app/restart_handler.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/userspace/falco/app/restart_handler.cpp b/userspace/falco/app/restart_handler.cpp
index 86e9307b..f17a6fd3 100644
--- a/userspace/falco/app/restart_handler.cpp
+++ b/userspace/falco/app/restart_handler.cpp
@@ -23,6 +23,11 @@ limitations under the License.
 #include <sys/inotify.h>
 #include <sys/select.h>
 
+#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 30
+#include <sys/syscall.h>
+#define gettid() syscall(SYS_gettid)
+#endif
+
 void falco::app::restart_handler::trigger()
 {
     m_forced.store(true, std::memory_order_release);