2025-06-03 14:22:42 +02:00
18 changed files with 872 additions and 78 deletions
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -9,7 +9,9 @@
        "syscalls.h": "c",
        "registers.h": "c",
        "version_type.h": "c",
-        "library_version.h": "c"
+        "library_version.h": "c",
+        "scancodes.h": "c",
+        "ipc.h": "c"
    },
    "cSpell.words": [
        "syscalls",
@@ -30,6 +32,7 @@
        "luaL_checkudata",
        "luaL_optinteger",
        "luaL_pushfail",
+        "lua_pushlightuserdata",
        "lua_pushboolean",
        "lua_pushinteger",
        "lua_pushnumber",
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -0,0 +1,30 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"label": "Build",
+			"type": "process",
+			"command": "make",
+			"args": [
+				"syscalls.dll"
+			],
+			"group": {
+				"isDefault": true,
+				"kind": "build"
+			},
+			"problemMatcher": "$gcc"
+		},
+		{
+			"label": "Clean",
+			"type": "process",
+			"command": "make",
+			"args": [
+				"clean"
+			],
+			"group": {
+				"isDefault": false,
+				"kind": "build"
+			}
+		}
+	]
+}
--- a/15
+++ b/15
@@ -26,7 +26,7 @@ KOLIBRIOS_REPO = $(abspath ../kolibrios)

 SDK_DIR = $(KOLIBRIOS_REPO)/contrib/sdk
 NewLib_DIR = $(SDK_DIR)/sources/newlib
-SYSCFLAGS = -fno-ident -fomit-frame-pointer -U__WIN32__ -U_Win32 -U_WIN32 -U__MINGW32__ -UWIN32 -I$(NewLib_DIR)/libc/include -I$(TOOLCHAIN_PATH)/include/lua$(LUA_V)
+SYSCFLAGS = -fno-ident -fomit-frame-pointer -U__WIN32__ -U_Win32 -U_WIN32 -U__MINGW32__ -UWIN32 -I$(NewLib_DIR)/libc/include -I$(TOOLCHAIN_PATH)/include -I$(TOOLCHAIN_PATH)/include/lua$(LUA_V)
 SYSLIBS = -L $(SDK_DIR)/lib -lgcc -lc.dll -ldll
 MYCFLAGS =
 MYLDFLAGS =
@@ -35,10 +35,11 @@ MYOBJS =


 Socket_O = src/sockets/socket.o src/sockets/socket_lua.o src/sockets/sockaddr.o
+IPC_O = src/IPC/ipc.o src/IPC/IPC_msg.o src/IPC/IPC_buffer.o
 Debug_O = src/debug/debug.o src/debug/registers.o
 Version_O = src/version/coreversion.o src/version/version_type.o

-ALL_O = src/syscalls.o src/ARP_entry.o src/systemColors.o src/graphic.o $(Socket_O) $(Debug_O) $(Version_O) src/background/background.o
+ALL_O = src/syscalls.o src/ARP_entry.o src/systemColors.o src/graphic.o $(Socket_O) $(Debug_O) $(Version_O) $(IPC_O) src/background/background.o

 syscalls.dll: $(ALL_O)
 	$(LD) -shared -T dll.lds --entry _DllStartup $(LDFLAGS) -o $@ $(ALL_O) $(LIBS)
@@ -50,7 +51,9 @@ clean:

 ## Sources

-src/syscalls.o:	src/syscalls.c	src/syscalls.h	src/systemColors.h	src/ARP_entry.h	src/scancodes.h	src/sockets/socket_lua.h	src/graphic.h	src/version/library_version.h
+IPC_H = src/IPC/IPC_msg.h	src/IPC/IPC_buffer.h	src/IPC/ipc.h
+
+src/syscalls.o:	src/syscalls.c	src/syscalls.h	src/systemColors.h	src/ARP_entry.h	src/scancodes.h	src/sockets/socket_lua.h	src/graphic.h	src/version/library_version.h	$(IPC_H)
 src/ARP_entry.o:	src/ARP_entry.c	src/ARP_entry.h	src/debug.h
 src/systemColors.o:	src/systemColors.c	src/systemColors.h	src/debug.h
 src/sockets/socket.o:	src/sockets/socket.c	src/sockets/socket.h
@@ -58,6 +61,9 @@ src/sockets/socket_lua.o:	src/sockets/socket_lua.c	src/sockets/socket_lua.h
 src/sockets/sockaddr.o:	src/sockets/sockaddr.c	src/sockets/sockaddr.h
 src/graphic.o:	src/graphic.c	src/graphic.h
 src/debug/debug.o:	src/debug/debug.c	src/debug/debug.h	src/debug/registers.h
+src/IPC/ipc.o:	src/IPC/ipc.c	src/IPC/ipc.h	src/IPC/IPC_msg.h
+src/IPC/IPC_msg.o:	src/IPC/IPC_msg.c	src/IPC/IPC_msg.h
+src/IPC/IPC_buffer.o:	src/IPC/IPC_buffer.c	src/IPC/IPC_buffer.h	src/IPC/IPC_msg.h
 src/debug/registers.o:	src/debug/registers.c	src/debug/registers.h	src/syscalls.h	src/debug.h
 src/version/coreversion.o:	src/version/coreversion.c	src/version/coreversion.h
 src/version/version_type.o:	src/version/version_type.c	src/version/version_type.h	src/debug.h
@@ -70,6 +76,9 @@ src/sockets/socket_lua.h:	src/syscalls.h	src/sockets/socket.h
 src/sockets/sockaddr.h:	src/sockets/socket.h	src/syscalls.h
 src/debug/debug.h:	src/syscalls.h
 src/debug/registers.h:	src/syscalls.h
+src/IPC/IPC_msg.h:	src/syscalls.h
+src/IPC/IPC_buffer.h:	src/syscalls.h
+src/IPC/ipc.h:	src/syscalls.h 
 src/version/coreversion.h:	src/version/version_type.h
 src/version/version_type.h:	src/syscalls.h
 src/background/background.h:	src/syscalls.h
--- a/doc/manual.md
+++ b/doc/manual.md
@@ -4,24 +4,24 @@ This is KolibriOS lua syscalls library. Usually you shouldn't use this library

 Better if you read before [KolibriOS syscalls wiki](http://wiki.kolibrios.org/wiki/)

-include:
+include this library:
 ```lua
 local syscalls = require("syscalls")
 ```

 ## Events

-### `SetEventMask(newMask)`
+### SetEventMask(newMask)

-### `CheckEvent()`
+### CheckEvent()

-check event
+check [event](#events-list)

-### `WaitEvent()`
+### WaitEvent()

-Endless wait event
+Endless wait [event](#events-list)

-### `WaitEventTimeout(timeout)`
+### WaitEventTimeout(timeout)

 Wait timeout 1/100 sec

@@ -44,37 +44,37 @@ syscalls.Event.<EventName>

 ## Window

-### `CreateWindow(x, y, width, height, workColor, style, borderColor, titleColor)`
+### CreateWindow(x, y, width, height, workColor, [style](#window-style), borderColor, titleColor)

 Define window

-`borderColor` and `borderColor` only for `FixSizes` and `CanChangeSizes` (without skin styles) style.
+`borderColor` and borderColor` only for FixSizes` and CanChangeSizes` (without skin styles) style.

-### `StartRedraw()`
+### StartRedraw()

-Start window redraw. Just call it before `CreateWindow`
+Start window redraw. Just call it before CreateWindow`

-### `EndRedraw()`
+### EndRedraw()

 End window redraw. Just call it after you done redraw window.

-### `ChangeWindow(newX, newY, newWidth, newHeight)`
+### ChangeWindow(newX, newY, newWidth, newHeight)

-### `FocusWindow(slot)`
+### FocusWindow(slot)

-### `UnfocusWindow(slot)`
+### UnfocusWindow(slot)

-### `SetWindowTitle(newTitle)`
+### SetWindowTitle(newTitle)

-### `GetSkinHeight()`
+### GetSkinHeight()

 return skin height.

-### `SetSkin(path)`
+### SetSkin(path)

 return error code

-### `GetSkinTitleArea()`
+### GetSkinTitleArea()

 return table:
 ```lua
@@ -86,7 +86,7 @@ return table:
 }
 ```

-### Style
+### Window Style

 ```lua
 syscalls.windowStyle.<Value>
@@ -134,34 +134,35 @@ syscalls.textSize.<value>
 + `56x112`
 + `64x128`

-### `DrawText(text, xPos, yPos, textColor, textScale, textLen, backgroundColor, encoding)`
+### DrawText(text, xPos, yPos, textColor, [textScale](#text-sizes), textLen, backgroundColor, [encoding](#text-encoding))

-### `DrawTextFixSize(text, xPos, yPos, textColor, textSize, textLen, backgroundColor, encoding)`
+### DrawTextFixSize(text, xPos, yPos, textColor, [textScale](#text-sizes), textLen, backgroundColor, [encoding](#text-encoding))

 Draw text.

 textSize, textLen, backgroundColor, encoding are optional.

-### `DrawLine(x1, y1, x2, y2)`
+### DrawLine(x1, y1, x2, y2)

-### `DrawRectangle(x, y, widht, height, color)`
+### DrawRectangle(x, y, width, height, color)

-### `ReadPoint(x, y)`
+### ReadPoint(x, y)

 return color

 ## Buttons

-### `DefineButton(x, y, widht, height, id, color)`
+### DefineButton(x, y, width, height, id, color)

-### `DeleteButton(id)`
+### DeleteButton(id)

-### `GetButton()`
+### GetButton()

 return pressed button or `nil`

-### `SetButtonStyle(style)`
+### SetButtonStyle([style](#button-styles))

+Set buttons style

 ### buttons

@@ -174,20 +175,23 @@ syscalls.buttons.<Value>
 + `close`
 + `minimization`

-### ButtonStyles
+### Button styles

 ```lua
 syscalls.buttonStyle.<Value>
 ```

+ `Flat`
+ `Volume`
+
 ## Keyboard

-### `GetKey()`
+### GetKey()

 return:
-+ nil if buffer empty
+ `nil` if buffer empty
 + if hotkey return second number
-+ if key pressed and key input mode is ascii return string(1 char), else return scancode
+ if key pressed and key input mode is ascii return string(1 char), else return [scancode](#scancodes)

 example:

@@ -199,15 +203,15 @@ if key then
 end

 if hotkey then
-	print(hotkey pressed)
+	print("hotkey pressed")
 end
 ```

-### `SetKeyInputMode(mode)`
+### SetKeyInputMode(mode)

 by default is `ASCII`

-### `GetKeyInputMode()`
+### GetKeyInputMode()

 return key input mode.

@@ -310,17 +314,18 @@ syscalls.SystemColors.new(
 )
 ```

-### `GetSystemColors()`
+### GetSystemColors()

-return SystemColors
+return [SystemColors](#systemcolors-type)

-### `SetSystemColors(SystemColors)`
+### SetSystemColors([SystemColors](#systemcolors-type))

 ## Threads

-### `ThreadInfo(pid)`
+### ThreadInfo(pid)

 return table:
+
 ```lua
 {
 	name: string,
@@ -339,7 +344,7 @@ return table:
 }
 ```

-### `KillBySlot(slot)`
+### KillBySlot(slot)

 ### Slot states

@@ -357,7 +362,9 @@ syscalls.slotState.<Value>

 ## Sockets

-### `OpenSocket(domain, type, protocol)`
+### OpenSocket([domain](#socket-types), [type](#address-families), [protocol](#ip-protocols))
+
+return socket

 ```lua
 local socket, err = syscalls.OpenSocket(
@@ -373,9 +380,9 @@ else
 end
 ```

-### `CloseSocket(socket)`
+### CloseSocket(socket)

-### `PairSocket()`
+### PairSocket()

 ```lua
 local first, second = PairSocket()
@@ -387,19 +394,19 @@ else
 end
 ```

-### `Bind(socket, address)`
+### Bind(socket, address)

-### `Listen(socket, backlog)`
+### Listen(socket, backlog)

-### `Connect(socket, address)`
+### Connect(socket, address)

-### `Accept(socket, , flags)`
+### Accept(socket, , flags)

-### `Receive(socket, , flags)`
+### Receive(socket, , flags)

-### `SetSocketOption(socket, opt)`
+### SetSocketOption(socket, [opt](#socket-options))

-### `GetSocketOption(socket, opt)`
+### GetSocketOption(socket, [opt](#socket-options))

 ### Socket types

@@ -468,53 +475,116 @@ syscalls.SO.<Value>
 }
 ```

-### `DebugPutc(char)`
+### DebugPutc(char)

 Put char to debug board

-### `DebugPuts(text)`
+### DebugPuts(text)

 Put string to debug board

-### `GetRegisters(pid)`
+### GetRegisters(pid)

 The process must be loaded for debugging (as stated in the general description).

 return registers table

-### `SetRegisters(pid, registers)`
+### SetRegisters(pid, [registers](#registers-type))

 The process must be loaded for debugging (as stated in the general description).

-### `Disconnect(pid)`
+### Disconnect(pid)

 The process must be loaded for debugging (as stated in the general description).

 If the process was suspended, it resumes execution.

-### `Stop(pid)`
+### Stop(pid)

 The process must be loaded for debugging (as stated in the general description).

-### `Continue(pid)`
+### Continue(pid)

 The process must be loaded for debugging (as stated in the general description).

-### `ReadFromMem(pid, bytes, pointer, buffer)`
+### ReadFromMem(pid, bytes, pointer, buffer)

 The process must be loaded for debugging (as stated in the general description).

 return or `nil`

-### `WriteToMem(pid, bytes, pointer, buffer)`
+### WriteToMem(pid, bytes, pointer, buffer)

 The process must be loaded for debugging (as stated in the general description).

 return or `nil`

-### `Done(pid)`
+### Done(pid)

-### `DefineBreakpoint(pid, index, condition, len)`
+### DefineBreakpoint(pid, index, condition, len)

-### `UndefBreakpoint(pid, index, condition, len)`
+### UndefBreakpoint(pid, index, condition, len)

+## IPC
+
+### DefineIPCBuffer(size)
+
+Define buffer for IPC receive
+
+Return [buffer](#ipc_buffer) type
+
+### SendIPCMessage(pid, [message](#ipc_msg))
+
+Send message to process by pid
+
+return [Error code](#ipc-error-codes)
+
+### IPC Error codes
+
+```lua
+syscalls.IPCError.<Value>
+```
+
+ `Ok`
+ `BufferLocked`
+ `BufferNotDefined`
+ `BufferOverflow`
+ `PIDNotExist`
+
+### IPC_buffer
+
+```lua
+{
+	used: number,
+	lock: boolean,
+	Lock: (self: IPC_buffer) -> nil
+	Unlock: (self: IPC_buffer) -> nil
+	GetMessage: (self: IPC_buffer, i: number) -> IPC_msg
+	GetLastMessage: (self: IPC_buffer) -> IPC_msg
+}
+```
+
+#### Lock(self)
+
+Lock buffer
+
+#### Unlock(self)
+
+Unlock buffer
+
+#### GetMessage(self, i)
+
+return [message](#ipc_msg) that were send by number i
+
+#### GetLastMessage(self)
+
+return last sended [message](#ipc_msg)
+
+### IPC_msg
+
+```lua
+{
+	pid: number,
+	size: number
+}
+```
--- a/1
+++ b/1
--- a/src/ARP_entry.c
+++ b/src/ARP_entry.c
@@ -33,7 +33,7 @@ int syscalls_indexARPEntry(lua_State* L)
 	else if (strcmp(index, "MAC") == 0)
 	{
 		char str[7];
-		memset(str, entry->MAC, 6);
+		memcpy(str, &entry->MAC, 6);
 		str[6] = '\n';
 		lua_pushstring(L, str);
 	}
@@ -79,7 +79,7 @@ int syscalls_newindexARPEntry(lua_State* L)
 	}
 	else
 	{
-		_ksys_debug_puts("err\n");
+		luaL_error(L, "wrong index: %s", index);
 	}

 	return 0;
--- a/src/ARP_entry.h
+++ b/src/ARP_entry.h
@@ -10,7 +10,7 @@
 struct ARP_entry
 {
 	uint32_t IP;
-	char MAC[6];
+	uint8_t MAC[6];
 	uint16_t Status;
 	uint16_t TTL;
 };
--- a/src/IPC/IPC_buffer.c
+++ b/src/IPC/IPC_buffer.c
@@ -0,0 +1,244 @@
+#include "IPC_buffer.h"
+#include "IPC_msg.h"
+#include <string.h>
+#include "../debug.h"
+#include <ctype.h>
+
+
+
+static int syscalls_indexIPC_buffer(lua_State* L)
+{
+	struct IPC_buffer* r = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+	const char* index = luaL_checkstring(L, 2);
+
+	if (strcmp(index, "used") == 0)
+	{
+		lua_pushinteger(L, r->used);
+	}
+	else if (strcmp(index, "lock") == 0)
+	{
+		lua_pushboolean(L, r->lock);
+	}
+	else if (strcmp(index, "size") == 0)
+	{
+		lua_pushinteger(L, r->size);
+	}
+	else
+	{
+		lua_pushnil(L);
+	}
+
+	return 1;
+}
+
+static int syscalls_newindexIPC_buffer(lua_State* L)
+{
+	struct IPC_buffer* r = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+	const char* index = luaL_checkstring(L, 2);
+	int val = luaL_checkinteger(L, 3);
+
+	if (strcmp(index, "used") == 0)
+	{
+		r->used = val;
+	}
+	else if (strcmp(index, "lock") == 0)
+	{
+		r->lock = val;
+	}
+	else
+	{
+		luaL_error(L, "wrong index: %s", index);
+	}
+
+	return 0;
+}
+
+static bool compare_ipc_buffer(ksys_ipc_buffer* a, ksys_ipc_buffer* b)
+{	// блять че за высер...
+	if (a == b)
+		return true;
+
+	if (a->used == b->used)
+	{
+		return memcmp(
+			a + (2 * sizeof(unsigned)),
+			b + (2 * sizeof(unsigned)),
+			a->used
+		);
+	}
+	else	// длина сообщений не совпадает, занчитт они зразу не могут быть равны
+	{
+		return false;
+	}
+}
+
+static int syscalls_eqIPC_buffer(lua_State* L)
+{
+	lua_pushboolean(
+		L,
+		compare_ipc_buffer(
+			luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name),
+			luaL_checkudata(L, 2, syscalls_IPC_buffer_metatable_name)
+		)
+	);
+
+	return 1;
+}
+
+static int syscalls_IPC_buffer_lock(lua_State* L)
+{
+	struct IPC_buffer* buffer = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+
+	buffer->lock = 1;
+
+	return 0;
+}
+
+static int syscalls_IPC_buffer_unlock(lua_State* L)
+{
+	struct IPC_buffer* buffer = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+
+	buffer->lock = 0;
+
+	return 0;
+}
+
+/**
+ * @brief Получить сообщение под номером
+ * @param buffer
+ * @param i
+ * @return указатель на сообщение, если такого сообщения ещё нет, то возвращает 0
+ */
+static ksys_ipc_msg* IPC_buffer_get_message(ksys_ipc_buffer* buffer, int i)
+{
+	ksys_ipc_msg* j = (ksys_ipc_msg*)(buffer + 8);
+	unsigned diff = 0;
+
+	for (int k = 0; k < i; k++)
+	{
+		diff += j->datalen + 8; // прибавление длинны сообщения и заголовка 
+		j += diff;
+
+		if (diff >= buffer->used)
+			return 0;
+	}
+
+	return j;
+}
+
+static ksys_ipc_msg* IPC_buffer_get_last_message(ksys_ipc_buffer* buffer)
+{
+	ksys_ipc_msg* j = (ksys_ipc_msg*)(buffer + 8);
+	unsigned diff = 0;
+
+	while (diff < buffer->used)
+	{
+		j += diff;
+		diff += j->datalen + 8; // прибавление длинны сообщения и заголовка 
+	}
+
+	return j;
+}
+
+static int syscalls_IPC_buffer_get_message(lua_State* L)
+{
+	struct IPC_buffer* buffer = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+	unsigned i = luaL_checkinteger(L, 2);
+
+	ksys_ipc_msg* msg = IPC_buffer_get_message(IPC_buffer_to_ksys_ipc_buffer(buffer), i);
+
+	if (msg != 0)
+	{
+		lua_pushlightuserdata(L, msg);
+		luaL_setmetatable(L, syscalls_IPC_msg_metatable_name);
+	}
+	else
+	{
+		lua_pushnil(L);
+	}
+
+	return 1;
+}
+
+static int syscalls_IPC_buffer_get_last_message(lua_State* L)
+{
+	struct IPC_buffer* buffer = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+
+	ksys_ipc_msg* msg = IPC_buffer_get_last_message(IPC_buffer_to_ksys_ipc_buffer(buffer));
+
+	if ((unsigned)msg != (unsigned)buffer)
+	{
+		lua_pushlightuserdata(L, msg);
+		luaL_setmetatable(L, syscalls_IPC_msg_metatable_name);
+	}
+	else
+	{
+		lua_pushnil(L);
+	}
+
+	return 1;
+}
+
+static int syscalls_IPC_buffer_reset(lua_State* L)
+{
+	struct IPC_buffer* buffer = luaL_checkudata(L, 1, syscalls_IPC_buffer_metatable_name);
+
+	buffer->used = 0;
+	memset(&buffer->data, 0, buffer->size);
+
+	return 0;
+}
+
+static const luaL_Reg syscalls_IPC_buffer_m[] = {
+	{"__newindex", syscalls_newindexIPC_buffer},
+	{"__eq", syscalls_eqIPC_buffer},
+	{"__index", syscalls_indexIPC_buffer},
+	{NULL, NULL}
+};
+
+struct IPC_buffer* syscalls_pushIPC_buffer(lua_State* L, size_t size)
+{
+	DEBUG_LINE("push " syscalls_IPC_buffer_name " entry");
+
+	struct IPC_buffer* buffer = lua_newuserdata(L, sizeof(struct IPC_buffer) + size);
+
+	luaL_setmetatable(L, syscalls_IPC_buffer_metatable_name);
+
+	buffer->used = 0;
+	buffer->size = size;
+
+	return buffer;
+}
+
+static int syscalls_newIPC_buffer(lua_State* L)
+{
+	size_t size = luaL_checkinteger(L, 1);
+	struct IPC_buffer* buffer = syscalls_pushIPC_buffer(L, size);
+
+	return 1;
+}
+
+static const luaL_Reg syscalls_IPC_buffer_lib[] = {
+	{"new", syscalls_newIPC_buffer},
+	{"Lock", syscalls_IPC_buffer_lock},
+	{"Unlock", syscalls_IPC_buffer_unlock},
+	{"GetMessage", syscalls_IPC_buffer_get_message},
+	{"GetLastMessage", syscalls_IPC_buffer_get_last_message},
+	{"Reset", syscalls_IPC_buffer_reset},
+	{NULL, NULL}
+};
+
+void syscalls_register_IPC_buffer(lua_State* L)
+{
+	DEBUG_LINE("register " syscalls_IPC_buffer_name " entry");
+
+	luaL_newlib(L, syscalls_IPC_buffer_lib);
+
+	lua_setfield(L, -2, syscalls_IPC_buffer_name);
+
+
+	luaL_newmetatable(L, syscalls_IPC_buffer_metatable_name);
+	luaL_setfuncs(L, syscalls_IPC_buffer_m, 0);
+
+	lua_pop(L, 1);
+}
--- a/src/IPC/IPC_buffer.h
+++ b/src/IPC/IPC_buffer.h
@@ -0,0 +1,27 @@
+#ifndef __IPC_BUFFER_H__
+#define __IPC_BUFFER_H__
+
+#include "../syscalls.h"
+
+struct IPC_buffer
+{
+	size_t size;
+	ksys_ipc_buffer;
+};
+
+static inline ksys_ipc_buffer* IPC_buffer_to_ksys_ipc_buffer(struct IPC_buffer* buffer)
+{
+	return (ksys_ipc_buffer*)(buffer + (sizeof(struct IPC_buffer) - sizeof(ksys_ipc_buffer)));
+}
+
+#define syscalls_IPC_buffer_metatable_name "syscalls IPC_buffer metatable"
+#define syscalls_IPC_buffer_name "IPC_buffer"
+
+struct IPC_buffer* syscalls_pushIPC_buffer(lua_State* L, size_t dataLen);
+
+/**
+ * Register SystemColors lib
+ */
+void syscalls_register_IPC_buffer(lua_State* L);
+
+#endif // __IPC_BUFFER_H__
--- a/src/IPC/IPC_msg.c
+++ b/src/IPC/IPC_msg.c
@@ -0,0 +1,225 @@
+#include "IPC_msg.h"
+#include <string.h>
+#include "../debug.h"
+#include <sys/ksys.h>
+#include <stdlib.h>
+
+
+static int syscalls_indexIPC_msg(lua_State* L)
+{
+	ksys_ipc_msg* r = luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name);
+	const char* index = luaL_checkstring(L, 2);
+
+	if (strcmp(index, "size") == 0)
+	{
+		lua_pushinteger(L, r->datalen);
+	}
+	else if (strcmp(index, "pid") == 0)
+	{
+		lua_pushboolean(L, r->pid);
+	}
+	else
+	{
+		lua_pushnil(L);
+	}
+
+	return 1;
+}
+
+static int syscalls_newindexIPC_msg(lua_State* L)
+{
+	ksys_ipc_msg* r = luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name);
+	lua_Integer index_i = lua_isnumber(L, 2);
+	uint32_t val = luaL_checkinteger(L, 3);
+
+	if (!index_i)
+	{
+		const char* index = luaL_checkstring(L, 2);
+
+		if (strcmp(index, "size") == 0)
+		{
+			r->datalen = val;
+		}
+		else if (strcmp(index, "pid") == 0)
+		{
+			r->pid = val;
+		}
+		else
+		{
+			luaL_error(L, "wrong index: %s", index);
+		}
+	}
+	else
+	{
+		if (index_i < (unsigned)r->data)
+		{
+			((lua_Integer*)r + (2 * sizeof(unsigned)))[index_i] = val;
+		}
+		else
+		{
+			luaL_error(L, "out of range. size: %d index: %d", r->datalen, index_i);
+		}
+	}
+
+	return 0;
+}
+
+static bool compare_ipc_msg(ksys_ipc_msg* a, ksys_ipc_msg* b)
+{
+	if (a->datalen == b->datalen)
+	{
+		return memcmp(
+			a + (2 * sizeof(unsigned)),
+			b + (2 * sizeof(unsigned)),
+			a->datalen
+		);
+	}
+	else	// длина сообщений не совпадает, занчитт они зразу не могут быть равны
+	{
+		return false;
+	}
+}
+
+static int syscalls_eqIPC_msg(lua_State* L)
+{
+	lua_pushboolean(
+		L,
+		compare_ipc_msg(
+			luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name),
+			luaL_checkudata(L, 2, syscalls_IPC_msg_metatable_name)
+		)
+	);
+
+	return 1;
+}
+
+static int syscalls_IPC_msg_ReadByte(lua_State* L)
+{
+	lua_pushinteger(
+		L,
+		((uint8_t*)luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name) + (2 * sizeof(unsigned)))[luaL_checkinteger(L, 2)]
+	);
+
+	return 1;
+}
+
+static int syscalls_IPC_msg_ReadWord(lua_State* L)
+{
+	lua_pushinteger(
+		L,
+		((uint16_t*)luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name) + (2 * sizeof(unsigned)))[luaL_checkinteger(L, 2)]
+	);
+
+	return 1;
+}
+
+static int syscalls_IPC_msg_ReadDword(lua_State* L)
+{
+	lua_pushinteger(
+		L,
+		((uint32_t*)luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name) + (2 * sizeof(unsigned)))[luaL_checkinteger(L, 2)]
+	);
+
+	return 1;
+}
+
+static int syscalls_IPC_msg_ReadInteger(lua_State* L)
+{
+	lua_pushinteger(
+		L,
+		((lua_Integer*)luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name) + (2 * sizeof(unsigned)))[luaL_checkinteger(L, 2)]
+	);
+
+	return 1;
+}
+
+static int syscalls_IPC_msg_tostring(lua_State* L)
+{
+	ksys_ipc_msg* msg = luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name);
+
+	char* buff = malloc(msg->datalen + 24 + 1);
+
+	sprintf(buff, "pid: %d, len: %d, text: ", msg->pid, msg->datalen);
+
+	memcpy(buff + 24, &msg->data, msg->datalen);
+
+	buff[msg->datalen + 24] = '\0';
+
+	lua_pushstring(L, buff);
+
+	free(buff);
+
+	return 1;
+}
+
+static const luaL_Reg syscalls_IPC_msg_m[] = {
+	{"__newindex", syscalls_newindexIPC_msg},
+	{"__eq", syscalls_eqIPC_msg},
+	{"__tostring", syscalls_IPC_msg_tostring},
+	{"__index", syscalls_indexIPC_msg},
+	{NULL, NULL}
+};
+
+ksys_ipc_msg* syscalls_pushIPC_msg(lua_State* L, size_t dataLen)
+{
+	DEBUG_LINE("push IPC_msg entry");
+
+	ksys_ipc_msg* msg = lua_newuserdata(L, sizeof(ksys_ipc_msg) + dataLen);
+
+	luaL_setmetatable(L, syscalls_IPC_msg_metatable_name);
+
+	msg->datalen = dataLen;
+
+	return msg;
+}
+
+static int syscalls_newIPC_msg(lua_State* L)
+{
+	size_t dataLen = luaL_checkinteger(L, 1);
+	unsigned pid = luaL_checkinteger(L, 2);
+	ksys_ipc_msg* msg = syscalls_pushIPC_msg(L, dataLen);
+
+	msg->pid = pid;
+
+	return 1;
+}
+
+static int syscalls_fromStringIPC_msg(lua_State* L)
+{
+	const char* text = luaL_checkstring(L, 1);
+	unsigned pid = luaL_checkinteger(L, 2);
+	size_t len = strlen(text);
+
+	ksys_ipc_msg* r = syscalls_pushIPC_msg(L, len);
+	r->pid = pid;
+
+	memcpy(&r->data, text, len);
+
+	return 1;
+}
+
+
+static const luaL_Reg syscalls_IPC_msg_lib[] = {
+	{"new", syscalls_newIPC_msg},
+	{"fromString", syscalls_fromStringIPC_msg},
+	{"ReadByte", syscalls_IPC_msg_ReadByte},
+	{"ReadWord", syscalls_IPC_msg_ReadWord},
+	{"ReadDword", syscalls_IPC_msg_ReadDword},
+	{"ReadInteger", syscalls_IPC_msg_ReadInteger},
+	{NULL, NULL}
+};
+
+void syscalls_register_IPC_msg(lua_State* L)
+{
+	DEBUG_LINE("register IPC_msg entry");
+
+	luaL_newlib(L, syscalls_IPC_msg_lib);
+
+	lua_setfield(L, -2, syscalls_IPC_msg_name);
+
+
+	luaL_newmetatable(L, syscalls_IPC_msg_metatable_name);
+	luaL_setfuncs(L, syscalls_IPC_msg_m, 0);
+
+	lua_pop(L, 1);
+}
--- a/src/IPC/IPC_msg.h
+++ b/src/IPC/IPC_msg.h
@@ -0,0 +1,17 @@
+#ifndef _SYSCALLS_IPC_MSG_H_
+#define _SYSCALLS_IPC_MSG_H_
+
+#include "../syscalls.h"
+#include <sys/ksys.h>
+
+#define syscalls_IPC_msg_metatable_name "syscalls IPC_msg metatable"
+#define syscalls_IPC_msg_name "IPC_msg"
+
+ksys_ipc_msg* syscalls_pushIPC_msg(lua_State* L, size_t dataLen);
+
+/**
+ * Register SystemColors lib
+ */
+void syscalls_register_IPC_msg(lua_State* L);
+
+#endif // _SYSCALLS_IPC_MSG_H_
--- a/src/IPC/ipc.c
+++ b/src/IPC/ipc.c
@@ -0,0 +1,51 @@
+#include "ipc.h"
+#include "IPC_msg.h"
+#include "IPC_buffer.h"
+#include <sys/ksys.h>
+
+inline static void define_ipc(ksys_ipc_buffer* buffer, size_t bufLen)
+{
+	asm_inline(
+		"int $0x40"
+		::"a"(60), "b"(1), "c"(buffer), "d"(bufLen)
+	);
+}
+
+inline static enum SendIPCErrors send_ipc(int pid, void* msg, size_t len)
+{
+	enum SendIPCErrors ret;
+
+	asm_inline(
+		"int $0x40"
+		: "=a"(ret)
+		: "a"(60), "b"(2), "c"(pid), "d"(msg), "S"(len)
+	);
+
+	return ret;
+}
+
+int syscalls_DefineIPCBuffer(lua_State* L)
+{
+	uint32_t len = luaL_checkinteger(L, 1);
+	struct IPC_buffer* buffer = syscalls_pushIPC_buffer(L, len);
+
+	define_ipc(IPC_buffer_to_ksys_ipc_buffer(buffer), len);
+
+	return 1;
+}
+
+int syscalls_SendIPCMessage(lua_State* L)
+{
+	ksys_ipc_msg* msg = luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name);
+
+	lua_pushinteger(
+		L,
+		send_ipc(
+			msg->pid,
+			msg + 8,
+			msg->datalen
+		)
+	);
+
+	return 1;
+}
--- a/src/IPC/ipc.h
+++ b/src/IPC/ipc.h
@@ -0,0 +1,32 @@
+#ifndef __IPC_H__
+#define __IPC_H__
+
+#include "../syscalls.h"
+
+enum SendIPCErrors
+{
+	Ok = 0,
+	BufferNotDefined = 1,
+	BufferLocked = 2,
+	BufferOverflow = 3,
+	PIDNotExist = 4
+};
+
+int syscalls_DefineIPCBuffer(lua_State* L);
+int syscalls_SendIPCMessage(lua_State* L);
+
+
+inline void syscalls_push_IPC_errors(lua_State* L)
+{
+	lua_createtable(L, 0, 5);
+
+	LUA_PUSH_INTEGER_FIELD(L, Ok, "Ok");
+	LUA_PUSH_INTEGER_FIELD(L, BufferLocked, "BufferLocked");
+	LUA_PUSH_INTEGER_FIELD(L, BufferNotDefined, "BufferNotDefined");
+	LUA_PUSH_INTEGER_FIELD(L, BufferOverflow, "BufferOverflow");
+	LUA_PUSH_INTEGER_FIELD(L, PIDNotExist, "PIDNotExist");
+
+	lua_setfield(L, -2, "IPCError");
+}
+
+#endif // __IPC_H__
--- a/src/debug/registers.h
+++ b/src/debug/registers.h
@@ -20,6 +20,6 @@ struct registers

 struct registers* syscalls_pushRegisters(lua_State* L);

-inline void syscalls_register_registers(lua_State* L);
+void syscalls_register_registers(lua_State* L);

 #endif // __REGISTERS_H__
--- a/src/syscalls.c
+++ b/src/syscalls.c
@@ -9,12 +9,15 @@

 #include "syscalls.h"
 #include "scancodes.h"
-#include "ARP_entry.h"

+#include "ARP_entry.h"
 #include "systemColors.h"
 #include "sockets/socket_lua.h"
 #include "debug/debug.h"
 #include "graphic.h"
+#include "IPC/ipc.h"
+#include "IPC/IPC_msg.h"
+#include "IPC/IPC_buffer.h"
 #include "version/coreversion.h"
 #include "version/library_version.h"
 #include "background/background.h"
@@ -250,7 +253,7 @@ static int syscalls_threadInfo(lua_State* L)
 {
 	ksys_thread_t t;

-	_ksys_thread_info(&t, luaL_checkinteger(L, 1));
+	_ksys_thread_info(&t, luaL_optinteger(L, 1, -1));

 	lua_createtable(L, 0, 13);

@@ -1136,7 +1139,7 @@ typedef enum SYSCALLS_PROTOCOLS
 	ARP = 5
 } SYSCALLS_PROTOCOLS;

-inline int syscalls_ReadPacketSend(lua_State* L, SYSCALLS_PROTOCOLS protocol)
+static inline int syscalls_ReadPacketSend(lua_State* L, SYSCALLS_PROTOCOLS protocol)
 {
 	uint32_t eax;
 	uint8_t device = luaL_checkinteger(L, 1);
@@ -1151,7 +1154,7 @@ inline int syscalls_ReadPacketSend(lua_State* L, SYSCALLS_PROTOCOLS protocol)
 	return 1;
 }

-inline int syscalls_ReadPacketReceive(lua_State* L, SYSCALLS_PROTOCOLS protocol)
+static inline int syscalls_ReadPacketReceive(lua_State* L, SYSCALLS_PROTOCOLS protocol)
 {
 	uint32_t eax;
 	uint8_t device = luaL_checkinteger(L, 1);
@@ -1604,6 +1607,9 @@ static const luaL_Reg syscallsLib[] = {
 	{ "Done", syscalls_Done },
 	{ "DefineBreakpoint", syscalls_DefineBreakpoint },
 	{ "UndefBreakpoint", syscalls_UndefBreakpoint },
+	/* IPC */
+	{ "DefineIPCBuffer", syscalls_DefineIPCBuffer },
+	{ "SendIPCMessage", syscalls_SendIPCMessage },
 	{ NULL, NULL }
 };

@@ -1755,16 +1761,28 @@ LUALIB_API int luaopen_syscalls(lua_State* L)

 	syscalls_push_events(L);
 	syscalls_push_slotStates(L);
+
 	syscalls_register_scancodes(L);
 	syscalls_push_hotkey_states(L);
+
 	syscalls_push_buttonsStyle(L);
 	syscalls_push_windowStyles(L);
+
 	syscalls_push_buttons(L);
+
+	// net
 	syscalls_push_connectionStatus(L);
+	syscalls_register_ARPEntry(L);
+
 	syscalls_push_graphic(L);

-	syscalls_register_ARPEntry(L);
+	// Register IPC
+	syscalls_register_IPC_msg(L);
+	syscalls_register_IPC_buffer(L);
+	syscalls_push_IPC_errors(L);
+
 	syscalls_register_SystemColors(L);
+
 	syscalls_register_Version(L);

 	_ksys_set_event_mask(7); // set default event mask
--- a/tests/ipc_get.lua
+++ b/tests/ipc_get.lua
@@ -0,0 +1,35 @@
+--[[
+	Этот скрипт принимает данные от ipc_send и выводит в консоль
+]]
+
+local syscalls = require("syscalls")
+
+-- Enable IPC event only
+syscalls.SetEventMask(1 << (syscalls.Event.IPC - 1))
+
+-- write pid to /tmp0/1/lua_test_ipc_pid
+
+local pid = syscalls.ThreadInfo().PID
+
+local f = io.open("/tmp0/1/lua_test_ipc_pid", "w")
+
+if f then
+	f:write(pid);
+
+	f:close()
+end
+
+------------
+
+local buffer = syscalls.DefineIPCBuffer(4096)
+syscalls.IPC_buffer.Unlock(buffer)
+
+
+while true do
+	print("buffer:", buffer.used .. '/' .. buffer.size, "Locked:" .. tostring(buffer.lock))
+	if syscalls.WaitEvent() == syscalls.Event.IPC then
+		syscalls.IPC_buffer.Lock(buffer)
+		print("message:", syscalls.IPC_buffer.GetLastMessage(buffer))
+		syscalls.IPC_buffer.Unlock(buffer)
+	end
+end
--- a/tests/ipc_send.lua
+++ b/tests/ipc_send.lua
@@ -0,0 +1,21 @@
+--[[
+	скрипт который отправляет данные по IPC
+]]
+
+local syscalls = require("syscalls")
+
+local f = io.open("/tmp0/1/lua_test_ipc_pid", "r")
+
+local pid
+
+if f then
+	pid = tonumber(f:read("l"))
+	f:close()
+end
+
+if pid then
+	while true do
+		local msg = syscalls.IPC_msg.fromString("Test aboba", pid)
+		print("Send:", msg, "State:", syscalls.SendIPCMessage(msg))
+	end
+end
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -0,0 +1,11 @@
+#SHS
+
+# Graphic
+../lua helloWorld.lua
+
+../lua SystemColors.lua
+
+# IPC tests
+../lua ipc_get.lua
+../lua ipc_send.lua
+