From b2710e437c57d61c80ff6780199cc3b61570cf44 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Sun, 26 Jul 2015 12:54:40 +0300
Subject: [PATCH] Add a stub pthread header.

The header implements only the pthread rwlock interface, which
never actually locks.

This is necessary to build libunwind.
---
 software/include/base/pthread.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 software/include/base/pthread.h

diff --git a/software/include/base/pthread.h b/software/include/base/pthread.h
new file mode 100644
index 000000000..b78aa1e56
--- /dev/null
+++ b/software/include/base/pthread.h
@@ -0,0 +1,27 @@
+#ifndef __PTHREAD_H
+#define __PTHREAD_H
+
+typedef int pthread_rwlock_t;
+
+#define PTHREAD_RWLOCK_INITIALIZER 0
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+inline int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock)
+  { return 0; }
+inline int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock)
+  { return 0; }
+inline int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock)
+  { return 0; }
+inline int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock)
+  { return 0; }
+int pthread_rwlock_unlock(pthread_rwlock_t *rwlock)
+  { return 0; }
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PTHREAD_H */