#include "ipc.h"
#include "IPC_msg.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, ksys_ipc_msg* msg)
{
    enum SendIPCErrors ret;

    asm_inline(
        "int $0x40"
        : "=a"(ret)
        : "a"(60), "b"(2), "c"(pid), "d"(msg), "S"(sizeof(ksys_ipc_msg) + msg->datalen)
    );

    return ret;
}

int syscalls_DefineIPCBuffer(lua_State* L)
{
    uint32_t len = luaL_checkinteger(L, 1);
    ksys_ipc_buffer* buffer;

    define_ipc(buffer, len);

    return 0;
}

int syscalls_SendIPCMessage(lua_State* L)
{
    lua_pushinteger(
        L,
        send_ipc(
            luaL_checkinteger(L, 1),
            luaL_checkudata(L, 1, syscalls_IPC_msg_metatable_name)
        )
    );

    return 1;
}