2 files changed, 26 insertions, 15 deletions
diff --git a/src/libPOSIXWrapper/POSIXKit/POSIX.h b/src/libPOSIXWrapper/POSIXKit/POSIX.h
new file mode 100644
index 00000000..ea2067b3
--- /dev/null
+++ b/src/libPOSIXWrapper/POSIXKit/POSIX.h
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/ne-foss-org/nekernel
+
+#ifndef LIBPOSIX_POSIXKIT_POSIX_H
+#define LIBPOSIX_POSIXKIT_POSIX_H
+
+#include <libSystem/SystemKit/System.h>
+
+/// @file POSIX.h
+/// @brief POSIX definitions header for the NeSystem.
+
+/// @brief Please use these macros to specify whether your function is thread safe or not.
+#define PTHREAD_UNSAFE __THREAD_UNSAFE
+#define PTHREAD_SAFE __THREAD_SAFE
+
+#define _POSIX_SOURCE __POSIX_SOURCE__
+#define _XOPEN_SOURCE __XOPEN_SOURCE__
+
+PTHREAD_UNSAFE IMPORT_C SInt64 write(SizeT count, SInt32 fd, Void* data, SizeT sz);
+PTHREAD_UNSAFE IMPORT_C SInt64 read(SizeT count, SInt32 fd, Void* data, SizeT sz);
+
+#endif  // LIBPOSIX_POSIXKIT_POSIX_H
diff --git a/src/libPOSIXWrapper/POSIXKit/unistd.h b/src/libPOSIXWrapper/POSIXKit/unistd.h
index 0e133c89..96701f35 100644
--- a/src/libPOSIXWrapper/POSIXKit/unistd.h
+++ b/src/libPOSIXWrapper/POSIXKit/unistd.h
@@ -3,19 +3,6 @@
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
 
-#ifndef LIBPOSIX_POSIXKIT_UNISTD_H
-#define LIBPOSIX_POSIXKIT_UNISTD_H
+#pragma once
 
-#include <libSystem/SystemKit/System.h>
-
-/// @file Unistd.h
-/// @brief POSIX Standard Header for NeKernel.
-
-#define _POSIX_SOURCE __POSIX_SOURCE__
-#define _XOPEN_SOURCE __XOPEN_SOURCE__
-
-IMPORT_C SInt64 write(SizeT count, SInt32 fd, Void* data, SizeT sz);
-
-IMPORT_C SInt64 read(SizeT count, SInt32 fd, Void* data, SizeT sz);
-
-#endif  // LIBPOSIX_POSIXKIT_UNISTD_H
+#include <libPOSIXWrapper/POSIXKit/POSIX.h>