[FEAT] PThread and POSIXKit separation.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

5 files changed, 52 insertions, 24 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>
diff --git a/src/libPOSIXWrapper/src/POSIX.cpp b/src/libPOSIXWrapper/src/POSIX.cpp
new file mode 100644
index 00000000..fda4355b
--- /dev/null
+++ b/src/libPOSIXWrapper/src/POSIX.cpp
@@ -0,0 +1,7 @@
+// 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
+
+#include <libPOSIXWrapper/POSIXKit/POSIX.h>
+
diff --git a/src/libPThread/PThreadKit/Thread.h b/src/libPThread/PThreadKit/Thread.h
index de8efe8a..02c1a574 100644
--- a/src/libPThread/PThreadKit/Thread.h
+++ b/src/libPThread/PThreadKit/Thread.h
@@ -8,16 +8,15 @@
 
 #include <libPOSIXWrapper/POSIXKit/unistd.h>
 
-/// @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
+/// @internal Internal type, please do not rely on it for multi-platform builds.
+typedef ThreadRef pthread_ref_t;
 
-PTHREAD_SAFE SInt32    pthread_create(_Output ThreadRef* thread, VoidPtr         attr,
+PTHREAD_SAFE IMPORT_C SInt32    pthread_create(_Output pthread_ref_t* thread, VoidPtr         attr,
                                       VoidPtr (*start_routine)(VoidPtr), VoidPtr arg);
-PTHREAD_SAFE SInt32    pthread_join(ThreadRef thread, VoidPtr* retval);
-PTHREAD_SAFE SInt32    pthread_exit(SInt32 retval);
-PTHREAD_SAFE SInt32    pthread_detach(ThreadRef thread);
-PTHREAD_SAFE ThreadRef pthread_self(Void);
-PTHREAD_SAFE SInt32    pthread_yield(void);
+PTHREAD_SAFE IMPORT_C SInt32    pthread_join(pthread_ref_t thread, VoidPtr* retval);
+PTHREAD_SAFE IMPORT_C SInt32    pthread_exit(SInt32 retval);
+PTHREAD_SAFE IMPORT_C SInt32    pthread_detach(pthread_ref_t thread);
+PTHREAD_SAFE IMPORT_C pthread_ref_t pthread_self(Void);
+PTHREAD_SAFE IMPORT_C SInt32    pthread_yield(void);
 
 #endif  // LIBPOSIX_POSIXKIT_THREAD_H
diff --git a/src/libPThread/PThreadKit/pthread.h b/src/libPThread/PThreadKit/pthread.h
new file mode 100644
index 00000000..2448c458
--- /dev/null
+++ b/src/libPThread/PThreadKit/pthread.h
@@ -0,0 +1,11 @@
+// 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_PTHREAD_H
+#define LIBPOSIX_POSIXKIT_PTHREAD_H
+
+#include <libPThread/ThreadKit/Thread.h>
+
+#endif