68 lines
1.6 KiB
Rust
68 lines
1.6 KiB
Rust
use super::{Error, Result};
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/// System call list
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/// See http://syscalls.kernelgrok.com/ for numbers
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#[derive(Copy, Clone, Debug, Eq, PartialEq)]
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#[repr(C)]
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pub enum Call {
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/// Exit syscall
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Exit = 1,
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/// Read syscall
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Read = 3,
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/// Write syscall
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Write = 4,
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/// Open syscall
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Open = 5,
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/// Close syscall
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Close = 6,
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/// Wait for a process
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WaitPid = 7,
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/// Execute syscall
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Exec = 11,
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/// Change working directory
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ChDir = 12,
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/// Get process ID
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GetPid = 20,
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/// Duplicate file descriptor
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Dup = 41,
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/// Set process break
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Brk = 45,
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/// Set process I/O privilege level
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Iopl = 110,
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/// Sync file descriptor
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FSync = 118,
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/// Clone process
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Clone = 120,
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/// Yield to scheduler
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SchedYield = 158,
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/// Get process working directory
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GetCwd = 183
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}
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/// Convert numbers to calls
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/// See http://syscalls.kernelgrok.com/
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impl Call {
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//TODO: Return Option<Call>
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pub fn from(number: usize) -> Result<Call> {
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match number {
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1 => Ok(Call::Exit),
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3 => Ok(Call::Read),
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4 => Ok(Call::Write),
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5 => Ok(Call::Open),
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6 => Ok(Call::Close),
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7 => Ok(Call::WaitPid),
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11 => Ok(Call::Exec),
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12 => Ok(Call::ChDir),
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20 => Ok(Call::GetPid),
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41 => Ok(Call::Dup),
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45 => Ok(Call::Brk),
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110 => Ok(Call::Iopl),
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118 => Ok(Call::FSync),
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120 => Ok(Call::Clone),
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158 => Ok(Call::SchedYield),
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183 => Ok(Call::GetCwd),
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_ => Err(Error::NoCall)
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}
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}
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}
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