Files
ViperOS/vpsdk/process.py
2026-07-19 12:38:20 +08:00

66 lines
1.8 KiB
Python

import t, c
from . import syscall as syscall
def exit(code: t.CInt) -> t.CVoid:
syscall._syscall1(t.CUInt64T(syscall.EXIT), t.CUInt64T(code))
def yield_cpu() -> t.CVoid:
syscall._syscall2(t.CUInt64T(syscall.WAIT_WINDOW), t.CUInt64T(0), t.CUInt64T(2))
def spawn(path: t.CConst | t.CChar | t.CPtr, blocking: t.CInt = 0) -> t.CInt:
return t.CInt(syscall._syscall2(t.CUInt64T(syscall.SPAWN), t.CUInt64T(path), t.CUInt64T(blocking)))
def thread_create(func: t.CVoid | t.CPtr, arg: t.CVoid | t.CPtr = None) -> t.CInt:
return t.CInt(syscall._syscall2(t.CUInt64T(syscall.THREAD_CREATE), t.CUInt64T(func), t.CUInt64T(arg)))
@t.Object
class Thread:
_tid: t.CInt
_func: t.CVoid | t.CPtr
_arg: t.CVoid | t.CPtr
_running: t.CInt
def __init__(self, func: t.CVoid | t.CPtr, arg: t.CVoid | t.CPtr = None):
self._func = func
self._arg = arg
self._tid = -1
self._running = 0
def start(self) -> t.CInt:
if self._running: return -1
self._tid = thread_create(self._func, self._arg)
if self._tid < 0: return -1
self._running = 1
return 0
def is_alive(self) -> t.CInt:
return self._running
def get_tid(self) -> t.CInt:
return self._tid
@t.Object
class Process:
_pid: t.CInt
_path: t.CArray[t.CChar, 128]
def __init__(self, path: t.CConst | t.CChar | t.CPtr):
self._pid = -1
i: t.CInt = 0
for ch in path:
if i >= 127: break
self._path[i] = ch
i += 1
self._path[i] = 0
def start(self) -> t.CInt:
self._pid = spawn(c.Addr(self._path[0]), 0)
return self._pid
def start_blocking(self) -> t.CInt:
self._pid = spawn(c.Addr(self._path[0]), 1)
return self._pid
def get_pid(self) -> t.CInt:
return self._pid