2 files changed, 46 insertions, 0 deletions

diff --git a/lib/libpthread/thread/Makefile.inc b/lib/libpthread/thread/Makefile.inc
index fe19b0e081d3..cf9e154df50d 100644
--- a/lib/libpthread/thread/Makefile.inc
+++ b/lib/libpthread/thread/Makefile.inc
@@ -69,6 +69,7 @@ SRCS+= \
 	uthread_kevent.c \
 	uthread_kill.c \
 	uthread_listen.c \
+	uthread_main_np.c \
 	uthread_mattr_init.c \
 	uthread_mattr_kind_np.c \
 	uthread_msync.c \
diff --git a/lib/libpthread/thread/thr_main_np.c b/lib/libpthread/thread/thr_main_np.c
new file mode 100644
index 000000000000..1ce336998f59
--- /dev/null
+++ b/lib/libpthread/thread/thr_main_np.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2001 Alfred Perlstein
+ * Author: Alfred Perlstein <alfred@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$FreeBSD$
+ */
+
+#include <pthread.h>
+#include <pthread_np.h>
+#include "pthread_private.h"
+
+/*
+ * Provide the equivelant to Solaris thr_main() function
+ */
+int
+pthread_main_np()
+{
+
+	if (!_thread_initial)
+		return (-1);
+	else
+		return (pthread_equal(pthread_self(), _thread_initial) ? 1 : 0);
+}