3 files changed, 45 insertions, 0 deletions
diff --git a/src/user/lib/include/mutex.h b/src/user/lib/include/mutex.h
new file mode 100644
index 0000000..a6b949b
--- /dev/null
+++ b/src/user/lib/include/mutex.h
@@ -0,0 +1,15 @@
+#ifndef DEF_MUTEX_H
+#define DEF_MUTEX_H
+
+#include <tce/syscall.h>
+
+#define MUTEX_LOCKED 1
+#define MUTEX_UNLOCKED 0
+
+//A mutex is just an uint32_t
+
+void mutex_lock(uint32_t* mutex);	//wait for mutex to be free
+int mutex_lockE(uint32_t* mutex);	//lock mutex only if free, returns !0 if locked, 0 if was busy
+void mutex_unlock(uint32_t* mutex);
+
+#endif
diff --git a/src/user/lib/include/tce/mem.h b/src/user/lib/include/tce/mem.h
new file mode 100644
index 0000000..ab17bde
--- /dev/null
+++ b/src/user/lib/include/tce/mem.h
@@ -0,0 +1,9 @@
+#ifndef DEF_HEAP_H
+#define DEF_HEAP_H
+
+#include <tce/syscall.h>
+
+void* malloc(size_t size);
+void free(void* p);
+
+#endif
diff --git a/src/user/lib/include/tce/syscall.h b/src/user/lib/include/tce/syscall.h
new file mode 100644
index 0000000..5257a02
--- /dev/null
+++ b/src/user/lib/include/tce/syscall.h
@@ -0,0 +1,21 @@
+#ifndef DEF_SYSCALL_H
+#define DEF_SYSCALL_H
+
+#include <types.h>
+
+#define NEW_STACK_SIZE 0x8000
+
+void thread_exit();
+void schedule();
+void thread_sleep(int time);
+void process_exit(int retval);
+void printk(char* str);
+void thread_new(void (*entry)(void*), void *data);
+void irq_wait(int number);
+int proc_priv();
+
+int proc_setheap(size_t start, size_t end);
+int shm_create(size_t offset, size_t length);
+int shm_delete(size_t offset);
+
+#endif