mirror of
https://git.shadowkat.net/izaya/OC-PsychOS2.git
synced 2024-11-13 00:27:00 -05:00
made the kernel actually work again
This commit is contained in:
XeonSquared
parent
9022bfce78
commit
408e9600b7
@ -1,171 +0,0 @@
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buffer = {}
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local metatable = {
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__index = buffer,
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__metatable = "file",
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__close = buffer.close
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}
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function buffer.new(mode, stream)
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local result = {
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closed = false,
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tty = false,
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mode = {},
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stream = stream,
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bufferRead = "",
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bufferWrite = "",
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bufferSize = math.max(512, math.min(8 * 1024, computer.freeMemory() / 8)),
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bufferMode = "full",
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readTimeout = math.huge,
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}
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mode = mode or "r"
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for i = 1, mode:len() do
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result.mode[mode:sub(i, i)] = true
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end
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-- when stream closes, result should close first
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-- when result closes, stream should close after
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-- when stream closes, it is removed from the proc
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stream.close = setmetatable({close = stream.close,parent = result},{__call = buffer.close})
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return setmetatable(result, metatable)
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end
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function buffer:close()
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-- self is either the buffer, or the stream.close callable
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local meta = getmetatable(self)
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if meta == metatable.__metatable then
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return self.stream:close()
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end
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local parent = self.parent
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if parent.mode.w or parent.mode.a then
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parent:flush()
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end
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parent.closed = true
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return self.close(parent.stream)
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end
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function buffer:flush()
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if #self.bufferWrite > 0 then
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local tmp = self.bufferWrite
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self.bufferWrite = ""
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local result, reason = self.stream:write(tmp)
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if not result then
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return nil, reason or "bad file descriptor"
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end
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end
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return self
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end
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function buffer:lines(...)
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local args = table.pack(...)
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return function()
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local result = table.pack(self:read(table.unpack(args, 1, args.n)))
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if not result[1] and result[2] then
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error(result[2])
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end
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return table.unpack(result, 1, result.n)
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end
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end
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local function readChunk(self)
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if computer.uptime() > self.timeout then
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error("timeout")
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end
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local result, reason = self.stream:read(math.max(1,self.bufferSize))
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if result then
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self.bufferRead = self.bufferRead .. result
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return self
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else -- error or eof
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return result, reason
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end
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end
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function buffer:readLine(chop, timeout)
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self.timeout = timeout or (computer.uptime() + self.readTimeout)
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local start = 1
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while true do
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local buf = self.bufferRead
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local i = buf:find("[\r\n]", start)
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local c = i and buf:sub(i,i)
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local is_cr = c == "\r"
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if i and (not is_cr or i < #buf) then
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local n = buf:sub(i+1,i+1)
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if is_cr and n == "\n" then
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c = c .. n
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end
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local result = buf:sub(1, i - 1) .. (chop and "" or c)
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self.bufferRead = buf:sub(i + #c)
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return result
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else
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start = #self.bufferRead - (is_cr and 1 or 0)
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local result, reason = readChunk(self)
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if not result then
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if reason then
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return result, reason
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else -- eof
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result = #self.bufferRead > 0 and self.bufferRead or nil
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self.bufferRead = ""
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return result
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end
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end
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end
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coroutine.yield()
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end
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end
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function buffer:read(...)
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if not self.mode.r then
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return nil, "read mode was not enabled for this stream"
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end
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if self.mode.w or self.mode.a then
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self:flush()
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end
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if select("#", ...) == 0 then
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return self:readLine(true)
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end
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return self:formatted_read(readChunk, ...)
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end
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function buffer:setvbuf(mode, size)
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mode = mode or self.bufferMode
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size = size or self.bufferSize
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assert(mode == "no" or mode == "full" or mode == "line",
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"bad argument #1 (no, full or line expected, got " .. tostring(mode) .. ")")
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assert(mode == "no" or type(size) == "number",
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"bad argument #2 (number expected, got " .. type(size) .. ")")
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self.bufferMode = mode
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self.bufferSize = size
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return self.bufferMode, self.bufferSize
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end
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function buffer:write(...)
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if self.closed then
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return nil, "bad file descriptor"
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end
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if not self.mode.w and not self.mode.a then
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return nil, "write mode was not enabled for this stream"
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end
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local args = table.pack(...)
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for i = 1, args.n do
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if type(args[i]) == "number" then
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args[i] = tostring(args[i])
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end
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checkArg(i, args[i], "string")
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end
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for i = 1, args.n do
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local arg = args[i]
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local result, reason
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result, reason = self.stream:write(arg)
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if not result then
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return nil, reason
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end
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end
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return self
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end
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7
module/chatbox-dprint.lua
Normal file
7
module/chatbox-dprint.lua
Normal file
@ -0,0 +1,7 @@
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if component.list("chat_box")() then
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function dprint(...)
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for k,v in pairs({...}) do
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component.invoke(component.list("chat_box")(),"say",v)
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end
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end
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end
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@ -1,12 +1,12 @@
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--#include "module/chatbox-dprint.lua"
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--#include "module/syslog.lua"
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--#include "module/sched.lua"
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--#include "module/buffer.lua"
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--#include "module/fs.lua"
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--#include "module/io.lua"
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--#include "module/newio.lua"
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--#include "module/devfs.lua"
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--#include "module/devfs/syslog.lua"
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--#include "module/vt-task.lua"
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--#include "module/loadfile.lua"
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--#include "module/term.lua"
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os.spawnfile("/boot/exec/init.lua","init")
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os.spawnfile("/boot/exec/init.lua")
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os.sched()
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116
module/io.lua
116
module/io.lua
@ -1,116 +0,0 @@
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do
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io = {}
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function io.close(file)
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return (file or io.output()):close()
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end
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function io.flush()
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return io.output():flush()
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end
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function io.lines(filename, ...)
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if filename then
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local file, reason = io.open(filename)
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if not file then
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error(reason, 2)
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end
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local args = table.pack(...)
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return function()
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local result = table.pack(file:read(table.unpack(args, 1, args.n)))
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if not result[1] then
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if result[2] then
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error(result[2], 2)
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else -- eof
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file:close()
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return nil
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end
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end
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return table.unpack(result, 1, result.n)
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end
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else
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return io.input():lines()
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end
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end
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function io.open(path, mode)
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local stream, result = fs.open(path, mode)
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if stream then
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return buffer.new(mode, stream)
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else
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return nil, result
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end
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end
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local fdt = {[0]="STDIN","STDOUT","STDERR"}
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local function getfh(fd)
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return os.getenv(fdt[fd] or "FILE"..tostring(fd))
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end
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local function setfh(fd,fh)
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os.setenv(fdt[fd] or "FILE"..tostring(fd),fh)
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end
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function io.stream(fd,file,mode)
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checkArg(1,fd,'number')
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assert(fd>=0,'fd must be >= 0. 0 is input, 1 is stdout, 2 is stderr')
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if file then
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if type(file) == "string" then
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local result, reason = io.open(file, mode)
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if not result then
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error(reason, 2)
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end
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file = result
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elseif not io.type(file) then
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error("bad argument #1 (string or file expected, got " .. type(file) .. ")", 2)
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end
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setfh(fd,file)
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end
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return getfh(fd)
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end
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function io.input(file)
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return io.stream(0, file, 'r')
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end
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function io.output(file)
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return io.stream(1, file,'w')
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end
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function io.error(file)
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return io.stream(2, file,'w')
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end
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function io.read(...)
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return io.input():read(...)
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end
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function io.tmpfile()
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local name = os.tmpname()
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if name then
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return io.open(name, "a")
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end
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end
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function io.type(object)
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if type(object) == "table" then
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if getmetatable(object) == "file" then
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if object.stream.handle then
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return "file"
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else
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return "closed file"
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end
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end
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end
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return nil
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end
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function io.write(...)
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return io.output():write(...)
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end
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function print(...)
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for k,v in ipairs({...}) do
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io.write(tostring(v).."\n")
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end
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end
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end
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@ -8,7 +8,8 @@ function runfile(p,...) -- runs file *p* with arbitrary arguments in the current
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return loadfile(p)(...)
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end
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function os.spawnfile(p,n) -- spawns a new process from file *p* with name *n*
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return os.spawn(function() xpcall(loadfile(p),function(e) dprint(e.."\n"..debug.traceback) end) end,n)
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dprint(p,n)
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return os.spawn(function() xpcall(loadfile(p),function(e) dprint(e.."\n"..debug.traceback()) end) end,n or p)
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end
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function require(f) -- searches for a library with name *f* and returns what the library returns, if possible
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local lib = os.getenv("LIB") or "/boot/lib"
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34
module/newio.lua
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34
module/newio.lua
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@ -0,0 +1,34 @@
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io = {}
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function io.input(fd)
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if type(fd) == "string" then
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fd=fs.open(fd,"rb")
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end
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if fd then
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os.setenv("STDIN",fd)
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end
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return os.getenv("STDIN")
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end
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function io.output(fd)
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if type(fd) == "string" then
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fd=fs.open(fd,"wb")
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end
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if fd then
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os.setenv("STDOUT",fd)
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end
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return os.getenv("STDOUT")
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end
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io.open = fs.open
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function io.read(...)
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return io.input():read()
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end
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function io.write(...)
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io.output():write(...)
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end
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function print(...)
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for k,v in ipairs({...}) do
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io.write(tostring(v).."\n")
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end
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end
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@ -1,5 +1,5 @@
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do
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local tTasks,nPid,nTimeout,cPid = {},1,0,0 -- table of tasks, next process ID, event timeout, current PID
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local tTasks,nPid,nTimeout,cPid = {},1,1,0 -- table of tasks, next process ID, event timeout, current PID
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function os.spawn(f,n) -- creates a process from function *f* with name *n*
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tTasks[nPid] = {
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c=coroutine.create(f), -- actual coroutine
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@ -27,9 +27,12 @@ function vtemu(gpua,scra)
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end
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end)) end,string.format("ttyd[%s:%s]",gpua:sub(1,8),scra:sub(1,8)))
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local function bread()
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while not buf:find("\n") do
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coroutine.yield()
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end
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local n = buf:find("\n")
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if not n then return nil end
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r, buf = buf:sub(1,n), buf:sub(n+1)
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dprint("bread",r)
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return r
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end
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return bread, write, function() io.write("\27[2J\27[H") end
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