3 files changed, 51 insertions, 1 deletions
diff --git a/src/user/lib/include/sched.h b/src/user/lib/include/sched.h
new file mode 100644
index 0000000..1fe148d
--- /dev/null
+++ b/src/user/lib/include/sched.h
@@ -0,0 +1,24 @@
+#ifndef DEF_MUTEX_H
+#define DEF_MUTEX_H
+
+#include <types.h>
+
+#define MUTEX_LOCKED 1
+#define MUTEX_UNLOCKED 0
+
+//A mutex is just an uint32_t
+typedef uint32_t mutex_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int mutex_lock(mutex_t* mutex);	//wait for mutex to be free
+int mutex_lockE(mutex_t* mutex);	//lock mutex only if free, returns !0 if locked, 0 if was busy
+void mutex_unlock(mutex_t* mutex);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/user/lib/include/stdlib.h b/src/user/lib/include/stdlib.h
index 289c0fa..594f5c5 100644
--- a/src/user/lib/include/stdlib.h
+++ b/src/user/lib/include/stdlib.h
@@ -2,7 +2,6 @@
 #define DEF_STDLIB_H
 
 #include <types.h>
-#include <stdlib_common.h>
 #include <tce/syscall.h>
 
 void abort();
diff --git a/src/user/lib/include/string.h b/src/user/lib/include/string.h
new file mode 100644
index 0000000..f14af35
--- /dev/null
+++ b/src/user/lib/include/string.h
@@ -0,0 +1,27 @@
+#ifndef DEF_LIB_STRING_H
+#define DEF_LIB_STRING_H
+
+#include <types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void *memcpy(void *dest, const void *src, int count);
+void *memset(void *dest, int val, int count);
+uint16_t *memsetw(uint16_t *dest, uint16_t val, int count);
+
+int strlen(const char *str);
+char *strcpy(char *dest, const char *src);
+char *strdup(const char *src);
+char *strchr(const char *str, char c);
+char *strcat(char *dest, const char *src);
+int strcmp(const char *s1, const char *s2);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
+