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ec1d16b307
It's implemented as a separate process. How cute is that. Tasks now have a current working directory. Spawned tasks inherit their parent task's working directory. Currently everyone just uses "/" as there's no way to chdir().
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#pragma once
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#include <AK/Types.h>
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#define DO_SYSCALL_A0(function) Syscall::invoke((dword)(function))
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#define DO_SYSCALL_A1(function, arg1) Syscall::invoke((dword)(function), (dword)(arg1))
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#define DO_SYSCALL_A2(function, arg1, arg2) Syscall::invoke((dword)(function), (dword)(arg1), (dword)(arg2))
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#define DO_SYSCALL_A3(function, arg1, arg2, arg3) Syscall::invoke((dword)(function), (dword)(arg1), (dword)(arg2), (dword)arg3)
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namespace Syscall {
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enum Function {
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Spawn = 0x1981,
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Sleep = 0x1982,
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Yield = 0x1983,
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PutCharacter = 1984,
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PosixOpen = 0x1985,
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PosixClose = 0x1986,
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PosixRead = 0x1987,
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PosixSeek = 0x1988,
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PosixKill = 0x1989,
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PosixGetuid = 0x1990,
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PosixExit = 0x1991,
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PosixGetgid = 0x1992,
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PosixGetpid = 0x1993,
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PosixWaitpid = 0x1994,
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PosixMmap = 0x1995,
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PosixMunmap = 0x1996,
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GetDirEntries = 0x1997,
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PosixLstat = 0x1998,
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PosixGetcwd = 0x1999,
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};
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void initialize();
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inline dword invoke(dword function)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function));
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return result;
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}
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inline dword invoke(dword function, dword arg1)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1));
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return result;
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}
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inline dword invoke(dword function, dword arg1, dword arg2)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1),"c"(arg2));
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return result;
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}
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inline dword invoke(dword function, dword arg1, dword arg2, dword arg3)
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{
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dword result;
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asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1),"c"(arg2),"b"(arg3));
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return result;
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}
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}
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