diff --git a/src/libs/posix_error_mapper/Jamfile b/src/libs/posix_error_mapper/Jamfile
index 0218cf86aa..e20e27f027 100644
--- a/src/libs/posix_error_mapper/Jamfile
+++ b/src/libs/posix_error_mapper/Jamfile
@@ -12,4 +12,5 @@ StaticLibrary libposix_error_mapper.a :
 	pthread_rwlock.cpp
 	pthread_specific.cpp
 	pthread_thread.cpp
+	signal.cpp
 ;
diff --git a/src/libs/posix_error_mapper/pthread_attr.cpp b/src/libs/posix_error_mapper/pthread_attr.cpp
index 5436eb6f1f..163220afeb 100644
--- a/src/libs/posix_error_mapper/pthread_attr.cpp
+++ b/src/libs/posix_error_mapper/pthread_attr.cpp
@@ -1,8 +1,9 @@
 /*
- * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2009-2010, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Distributed under the terms of the MIT License.
  */
 
+
 #include <pthread.h>
 
 #include "posix_error_mapper.h"
@@ -58,3 +59,17 @@ WRAPPER_FUNCTION(int, pthread_attr_setscope,
 	return B_TO_POSITIVE_ERROR(sReal_pthread_attr_setscope(attr,
 		contentionScope));
 )
+
+
+WRAPPER_FUNCTION(int, pthread_attr_setschedparam,
+		(pthread_attr_t *attr, const struct sched_param *param),
+	return B_TO_POSITIVE_ERROR(sReal_pthread_attr_setschedparam(attr,
+		param));
+)
+
+
+WRAPPER_FUNCTION(int, pthread_attr_getschedparam,
+		(const pthread_attr_t *attr, struct sched_param *param),
+	return B_TO_POSITIVE_ERROR(sReal_pthread_attr_getschedparam(attr,
+		param));
+)
diff --git a/src/libs/posix_error_mapper/pthread_thread.cpp b/src/libs/posix_error_mapper/pthread_thread.cpp
index f3deb38d35..7fcca73b96 100644
--- a/src/libs/posix_error_mapper/pthread_thread.cpp
+++ b/src/libs/posix_error_mapper/pthread_thread.cpp
@@ -1,8 +1,9 @@
 /*
- * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2009-2010, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Distributed under the terms of the MIT License.
  */
 
+
 #include <pthread.h>
 
 #include "posix_error_mapper.h"
@@ -50,3 +51,17 @@ WRAPPER_FUNCTION(int, pthread_setcancelstate,
 WRAPPER_FUNCTION(int, pthread_setcanceltype, (int type, int *_oldType),
 	return B_TO_POSITIVE_ERROR(sReal_pthread_setcanceltype(type, _oldType));
 )
+
+
+WRAPPER_FUNCTION(int, pthread_getschedparam,
+		(pthread_t thread, int *policy, struct sched_param *param),
+	return B_TO_POSITIVE_ERROR(sReal_pthread_getschedparam(thread, policy,
+		param));
+)
+
+
+WRAPPER_FUNCTION(int, pthread_setschedparam,
+		(pthread_t thread, int policy, const struct sched_param *param),
+	return B_TO_POSITIVE_ERROR(sReal_pthread_setschedparam(thread, policy,
+		param));
+)
diff --git a/src/libs/posix_error_mapper/signal.cpp b/src/libs/posix_error_mapper/signal.cpp
new file mode 100644
index 0000000000..eac3a8012b
--- /dev/null
+++ b/src/libs/posix_error_mapper/signal.cpp
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <signal.h>
+
+#include "posix_error_mapper.h"
+
+
+WRAPPER_FUNCTION(int, pthread_sigmask,
+		(int how, const sigset_t *set, sigset_t *oldSet),
+	return B_TO_POSITIVE_ERROR(sReal_pthread_sigmask(how, set, oldSet));
+)