Ponali
43 lines
1.0 KiB
Lua
43 lines
1.0 KiB
Lua
local filesystem = require("filesystem")
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-- get a list of installed shells
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local shellDir = filesystem.list("/halyde/shell/")
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local shells = {}
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for i=1,#shellDir do
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table.insert(shells,string.match(shellDir[i],"([^/]+)%.lua$"))
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end
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-- locate the shell
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local tasks = tsched.getTasks()
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-- print(tasks)
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local pid = tsched.getCurrentTask().id
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local function taskFromPID(pid)
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checkArg(1,pid,"number")
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for i=1,#tasks do
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if tasks[i] and tasks[i].id==pid then
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return tasks[i]
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end
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end
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end
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local shellProcess
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while true do
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local task = taskFromPID(pid)
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if not task then
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error("parent shell task doesn't exist (ID="..pid..")")
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end
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if table.find(shells,task.name) then
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shellProcess = task
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break
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end
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pid = task.parent
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if not pid then
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error("could not find parent shell task")
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end
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end
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if not shellProcess then error("could not locate shell task") end
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-- get the shell object from the process
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-- print("Process ID: "..shellProcess.id)
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-- print(ipc.shared[shellProcess.id].shell)
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return ipc.shared[shellProcess.id].shell
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