1 files changed, 58 insertions, 0 deletions
diff --git a/dev/libSystem/Codes.h b/dev/libSystem/Codes.h
new file mode 100644
index 00000000..0451df64
--- /dev/null
+++ b/dev/libSystem/Codes.h
@@ -0,0 +1,58 @@
+/* -------------------------------------------
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <libSystem/Macros.h>
+
+/// @file Codes.h
+/// @brief Process Codes type and values.
+/// @author Amlal El Mahrouss (amlal@nekernel.org)
+
+#define err_local_ok() (kLastError == kErrorSuccess)
+#define err_local_fail() (kLastError != kErrorSuccess)
+#define err_local_get() (kLastError)
+
+typedef SInt32 ErrRef;
+
+inline constexpr ErrRef kErrorSuccess            = 0;
+inline constexpr ErrRef kErrorExecutable         = 33;
+inline constexpr ErrRef kErrorExecutableLib      = 34;
+inline constexpr ErrRef kErrorFileNotFound       = 35;
+inline constexpr ErrRef kErrorDirectoryNotFound  = 36;
+inline constexpr ErrRef kErrorDiskReadOnly       = 37;
+inline constexpr ErrRef kErrorDiskIsFull         = 38;
+inline constexpr ErrRef kErrorProcessFault       = 39;
+inline constexpr ErrRef kErrorSocketHangUp       = 40;
+inline constexpr ErrRef kErrorThreadLocalStorage = 41;
+inline constexpr ErrRef kErrorMath               = 42;
+inline constexpr ErrRef kErrorNoNetwork          = 43;
+inline constexpr ErrRef kErrorHeapOutOfMemory    = 44;
+inline constexpr ErrRef kErrorNoSuchDisk         = 45;
+inline constexpr ErrRef kErrorFileExists         = 46;
+inline constexpr ErrRef kErrorFormatFailed       = 47;
+inline constexpr ErrRef kErrorNetworkTimeout     = 48;
+inline constexpr ErrRef kErrorInternal           = 49;
+inline constexpr ErrRef kErrorForkAlreadyExists  = 50;
+inline constexpr ErrRef kErrorOutOfTeamSlot      = 51;
+inline constexpr ErrRef kErrorHeapNotPresent     = 52;
+inline constexpr ErrRef kErrorNoEntrypoint       = 53;
+inline constexpr ErrRef kErrorDiskIsCorrupted    = 54;
+inline constexpr ErrRef kErrorDisk               = 55;
+inline constexpr ErrRef kErrorInvalidData        = 56;
+inline constexpr ErrRef kErrorAsync              = 57;
+inline constexpr ErrRef kErrorNonBlocking        = 58;
+inline constexpr ErrRef kErrorIPC                = 59;
+inline constexpr ErrRef kErrorSign               = 60;
+inline constexpr ErrRef kErrorInvalidCreds       = 61;
+inline constexpr ErrRef kErrorCDTrayBroken       = 62;
+inline constexpr ErrRef kErrorUnrecoverableDisk  = 63;
+inline constexpr ErrRef kErrorFileLocked         = 64;
+inline constexpr ErrRef kErrorDiskIsTooTiny      = 65;
+inline constexpr ErrRef kErrorUnimplemented      = -1;
+
+/// @brief The last error reported by the system to the process.
+IMPORT_C ErrRef kLastError;