From f5925c766e0eef8329bbda3970e89f159fc0992f Mon Sep 17 00:00:00 2001
From: Jan Breig <jan.breig@cirosec.de>
Date: Thu, 25 Jun 2026 05:50:12 +0200
Subject: [PATCH] Add spinlock shim for Android NDK builds

Fixes compiler errors on missing spinlock when building with Android NDK.
---
 client/src/cmdparser.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/client/src/cmdparser.c b/client/src/cmdparser.c
index 5cfbf58b8..76c28118a 100644
--- a/client/src/cmdparser.c
+++ b/client/src/cmdparser.c
@@ -30,6 +30,24 @@
 # include "pthread_spin_lock_shim.h"  // spinlock shim for OSX ..
 #endif
 
+#ifdef __ANDROID__
+//Spinlock patch for building with Android NDK
+
+typedef pthread_mutex_t pthread_spinlock_t;
+
+#define pthread_spin_init(lock, pshared) \
+    pthread_mutex_init(lock, NULL)
+
+#define pthread_spin_lock(lock) \
+    pthread_mutex_lock(lock)
+
+#define pthread_spin_unlock(lock) \
+    pthread_mutex_unlock(lock)
+
+#define pthread_spin_destroy(lock) \
+    pthread_mutex_destroy(lock)
+#endif
+
 #define MAX_PM3_INPUT_ARGS_LENGTH    4096
 
 bool AlwaysAvailable(void) {