wasmer_wasix/journal/effector/syscalls/
fd_event.rs

1use wasmer_wasix_types::wasi::EventFdFlags;
2
3use super::*;
4
5impl JournalEffector {
6    pub fn save_fd_event(
7        ctx: &mut FunctionEnvMut<'_, WasiEnv>,
8        initial_val: u64,
9        flags: EventFdFlags,
10        fd: Fd,
11    ) -> anyhow::Result<()> {
12        Self::save_event(
13            ctx,
14            JournalEntry::CreateEventV1 {
15                initial_val,
16                flags,
17                fd,
18            },
19        )
20    }
21
22    pub fn apply_fd_event(
23        ctx: &mut FunctionEnvMut<'_, WasiEnv>,
24        initial_val: u64,
25        flags: EventFdFlags,
26        fd: Fd,
27    ) -> anyhow::Result<()> {
28        crate::syscalls::fd_event_internal(ctx, initial_val, flags, Some(fd))
29            .map(|r| r.map_err(|err| err.to_string()))
30            .unwrap_or_else(|err| Err(err.to_string()))
31            .map_err(|err| {
32                anyhow::format_err!("journal restore error: failed to create event - {err}")
33            })?;
34
35        Ok(())
36    }
37}