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fix WASI clock bugs

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This commit is contained in:
Mark McCaskey
2019-05-20 11:01:28 -07:00
parent 8a177363f4
commit 2c5f72805e
4 changed files with 12 additions and 8 deletions
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1
CHANGELOG.md
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@ -10,6 +10,7 @@ Blocks of changes will separated by version increments.
## 0.4.2 - 2019-05-16
- [#457](https://github.com/wasmerio/wasmer/pull/457) Implement file metadata for WASI, fix bugs in WASI clock code for Unix platforms
- [#416](https://github.com/wasmerio/wasmer/pull/416) Remote code loading framework
- [#449](https://github.com/wasmerio/wasmer/pull/449) Fix bugs: opening host files in filestat and opening with write permissions unconditionally in path_open
- [#442](https://github.com/wasmerio/wasmer/pull/442) Misc. WASI FS fixes and implement readdir

5
lib/wasi/src/syscalls/mod.rs
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@ -188,7 +188,10 @@ pub fn clock_time_get(
precision: __wasi_timestamp_t,
time: WasmPtr<__wasi_timestamp_t>,
) -> __wasi_errno_t {
debug!("wasi::clock_time_get");
debug!(
"wasi::clock_time_get clock_id: {}, precision: {}",
clock_id, precision
);
let memory = ctx.memory(0);
let out_addr = wasi_try!(time.deref(memory));

6
lib/wasi/src/syscalls/types.rs
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@ -24,9 +24,9 @@ pub struct __wasi_ciovec_t {
unsafe impl ValueType for __wasi_ciovec_t {}
pub type __wasi_clockid_t = u32;
pub const __WASI_CLOCK_MONOTONIC: u32 = 0;
pub const __WASI_CLOCK_PROCESS_CPUTIME_ID: u32 = 1;
pub const __WASI_CLOCK_REALTIME: u32 = 2;
pub const __WASI_CLOCK_REALTIME: u32 = 0;
pub const __WASI_CLOCK_MONOTONIC: u32 = 1;
pub const __WASI_CLOCK_PROCESS_CPUTIME_ID: u32 = 2;
pub const __WASI_CLOCK_THREAD_CPUTIME_ID: u32 = 3;
pub type __wasi_device_t = u64;

8
lib/wasi/src/syscalls/unix/mod.rs
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@ -23,7 +23,8 @@ pub fn platform_clock_res_get(
(clock_getres(unix_clock_id, &mut timespec_out), timespec_out)
};
resolution.set(timespec_out.tv_nsec as __wasi_timestamp_t);
let t_out = (timespec_out.tv_sec * 1_000_000_000).wrapping_add(timespec_out.tv_nsec);
resolution.set(t_out as __wasi_timestamp_t);
// TODO: map output of clock_getres to __wasi_errno_t
__WASI_ESUCCESS
@ -50,9 +51,8 @@ pub fn platform_clock_time_get(
)
};
// TODO: adjust output by precision...
time.set(timespec_out.tv_nsec as __wasi_timestamp_t);
let t_out = (timespec_out.tv_sec * 1_000_000_000).wrapping_add(timespec_out.tv_nsec);
time.set(t_out as __wasi_timestamp_t);
// TODO: map output of clock_gettime to __wasi_errno_t
__WASI_ESUCCESS