1 files changed, 78 insertions, 0 deletions
diff --git a/usr/src/compat/freebsd/sys/mutex.h b/usr/src/compat/freebsd/sys/mutex.h
new file mode 100644
index 0000000000..9e588cb98a
--- /dev/null
+++ b/usr/src/compat/freebsd/sys/mutex.h
@@ -0,0 +1,78 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2014 Pluribus Networks Inc.
+ * Copyright 2018 Joyent, Inc.
+ */
+
+#ifndef _COMPAT_FREEBSD_SYS_MUTEX_H_
+#define	_COMPAT_FREEBSD_SYS_MUTEX_H_
+
+#ifdef	_KERNEL
+
+#include <sys/debug.h>
+
+#define	MTX_DEF		0x00000000
+#define	MTX_SPIN	0x00000001
+
+struct mtx;
+
+void mtx_init(struct mtx *, char *name, const char *type_name, int opts);
+void mtx_destroy(struct mtx *);
+
+#endif	/* KERNEL */
+#include_next <sys/mutex.h>
+#ifdef	_KERNEL
+
+struct mtx {
+	kmutex_t	m;
+};
+
+static __inline void mtx_lock(struct mtx *mtx)
+{
+	mutex_enter(&mtx->m);
+}
+
+static __inline void mtx_unlock(struct mtx *mtx)
+{
+	mutex_exit(&mtx->m);
+}
+
+static __inline void mtx_lock_spin(struct mtx *mtx)
+{
+	mutex_enter(&mtx->m);
+}
+
+static __inline void mtx_unlock_spin(struct mtx *mtx)
+{
+	mutex_exit(&mtx->m);
+}
+
+static __inline int mtx_owned(struct mtx *mtx)
+{
+	return (mutex_owned(&mtx->m));
+}
+
+#define	MA_OWNED	0
+
+static __inline void mtx_assert(struct mtx *mtx, int what)
+{
+	switch (what) {
+	case MA_OWNED:
+		ASSERT(mutex_owned(&mtx->m));
+		break;
+	}
+}
+
+#endif	/* _KERNEL */
+
+#endif	/* _COMPAT_FREEBSD_SYS_MUTEX_H_ */