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add preopened fd and fix/improve fs syscalls (WIP)

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This commit is contained in:
Mark McCaskey
2019-04-10 18:23:25 -07:00
parent 870faf9838
commit 91af7cf8a8
5 changed files with 262 additions and 53 deletions
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8
lib/wasi/src/lib.rs
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@ -17,7 +17,11 @@ pub use self::utils::is_wasi_module;
use wasmer_runtime_core::{func, import::ImportObject, imports};
pub fn generate_import_object(args: Vec<Vec<u8>>, envs: Vec<Vec<u8>>) -> ImportObject {
pub fn generate_import_object(
args: Vec<Vec<u8>>,
envs: Vec<Vec<u8>>,
preopened_files: Vec<String>,
) -> ImportObject {
let state_gen = move || {
fn state_destructor(data: *mut c_void) {
unsafe {
@ -26,7 +30,7 @@ pub fn generate_import_object(args: Vec<Vec<u8>>, envs: Vec<Vec<u8>>) -> ImportO
}
let state = Box::new(WasiState {
fs: WasiFs::new().unwrap(),
fs: WasiFs::new(&preopened_files).unwrap(),
args: &args[..],
envs: &envs[..],
});