diff --git a/libpthread/Makefile b/libpthread/Makefile
index 1ff1fb56..f3248e9d 100644
--- a/libpthread/Makefile
+++ b/libpthread/Makefile
@@ -11,6 +11,7 @@ CPPFLAGS:=$(CPPFLAGS) -D__is_sortix_libpthread -I include
CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra -fno-exceptions -fno-rtti
OBJS=\
+pthread_equal.o \
pthread_initialize.o \
pthread_self.o \
diff --git a/libpthread/include/pthread.h b/libpthread/include/pthread.h
index e97e4366..544c2ef2 100644
--- a/libpthread/include/pthread.h
+++ b/libpthread/include/pthread.h
@@ -191,7 +191,7 @@ void pthread_initialize(void);
/* TODO: pthread_condattr_setpshared */
/* TODO: pthread_create */
/* TODO: pthread_detach */
-/* TODO: pthread_equal */
+int pthread_equal(pthread_t, pthread_t);
/* TODO: pthread_exit */
/* TODO: pthread_getconcurrency */
/* TODO: pthread_getcpuclockid */
diff --git a/libpthread/pthread_equal.c++ b/libpthread/pthread_equal.c++
new file mode 100644
index 00000000..204174a2
--- /dev/null
+++ b/libpthread/pthread_equal.c++
@@ -0,0 +1,30 @@
+/*******************************************************************************
+
+ Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+ This file is part of Sortix libpthread.
+
+ Sortix libpthread is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation, either version 3 of the License, or (at your
+ option) any later version.
+
+ Sortix libpthread is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with Sortix libpthread. If not, see .
+
+ pthread_equal.c++
+ Compares thread identities.
+
+*******************************************************************************/
+
+#include
+
+extern "C" int pthread_equal(pthread_t t1, pthread_t t2)
+{
+ return t1 == t2 ? 1 : 0;
+}