From 2f520337c2ee6d8f6dca5c3069e1c60d081699fc Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Thu, 25 Jun 2020 12:30:27 -0400
Subject: [PATCH] Port: Add logging thread id support on GNU Hurd
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Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I8db78267136ba172964f3c8c1f40115e28ac6446
---
 src/logging/log.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/logging/log.c b/src/logging/log.c
index 6f8de7b4..49f69958 100644
--- a/src/logging/log.c
+++ b/src/logging/log.c
@@ -330,6 +330,9 @@ extern unsigned long pthread_getsequence_np(pthread_t *);
 #if defined(__MACH__)
 	#include <pthread.h>
 #endif
+#if defined(__GNU__)
+	#include <mach.h>
+#endif
 
 #define INLINE _BT_LOG_INLINE
 #define VAR_UNUSED(var) (void)var
@@ -843,8 +846,12 @@ static void pid_callback(int *const pid, int *const tid)
 	*tid = gettid();
 	#elif defined(__linux__)
 	*tid = syscall(SYS_gettid);
-	#elif defined(__MACH__)
+	#elif defined(__APPLE__) && defined(__MACH__)
 	*tid = (int)pthread_mach_thread_np(pthread_self());
+	#elif defined(__GNU__)
+	mach_port_t mach_port = mach_thread_self();
+	mach_port_deallocate(mach_task_self(), mach_port);
+	*tid = (int)mach_port;
 	#else
 		#define Platform not supported
 	#endif
-- 
2.34.1