31 lines
716 B
Rust
31 lines
716 B
Rust
use arch::memory::{free_frames, used_frames};
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use syscall::data::StatVfs;
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use syscall::error::*;
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use syscall::scheme::Scheme;
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pub struct MemoryScheme;
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impl Scheme for MemoryScheme {
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fn open(&self, _path: &[u8], _flags: usize, _uid: u32, _gid: u32) -> Result<usize> {
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Ok(0)
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}
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fn fstatvfs(&self, _file: usize, stat: &mut StatVfs) -> Result<usize> {
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let used = used_frames() as u64;
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let free = free_frames() as u64;
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stat.f_bsize = 4096;
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stat.f_blocks = used + free;
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stat.f_bfree = free;
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stat.f_bavail = stat.f_bfree;
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Ok(0)
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}
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/// Close the file `number`
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fn close(&self, _file: usize) -> Result<usize> {
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Ok(0)
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}
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}
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