31 lines
699 B
Rust
31 lines
699 B
Rust
///! Process syscalls
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use arch::interrupt::halt;
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use context;
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use super::{convert_slice, Error, Result};
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pub fn exit(status: usize) -> ! {
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println!("Exit {}", status);
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loop {
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unsafe { halt() };
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}
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}
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pub fn exec(path: &[u8], args: &[[usize; 2]]) -> Result<usize> {
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print!("Exec {:?}", ::core::str::from_utf8(path));
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for arg in args {
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print!(" {:?}", ::core::str::from_utf8(convert_slice(arg[0] as *const u8, arg[1])?));
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}
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println!("");
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Ok(0)
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}
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pub fn getpid() -> Result<usize> {
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let contexts = context::contexts();
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let context_lock = contexts.current().ok_or(Error::NoProcess)?;
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let context = context_lock.read();
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Ok(context.id)
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}
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