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Fixes https://github.com/denoland/deno/issues/17417
According to
https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoapi-memorystatusex
, `stat.ullTotalPageFile` value is reliable only from
GetPerformanceInfo()
Also see https://github.com/GuillaumeGomez/sysinfo/issues/534
Co-authored-by: Nightly <dhairysrivastava5@gmail.com>
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Closes https://github.com/denoland/deno/issues/2699
Closes https://github.com/denoland/deno/issues/2347
Uses unstable rustfmt features. Since dprint invokes `rustfmt` we do not
need to switch the cargo toolchain to nightly. Do we care about
formatting stability of our codebase across Rust versions? (I don't)
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Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
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Fixes https://github.com/denoland/deno/issues/16921
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mutability (#17134)
Turns out we were cloning permissions which after prompting were discarded,
so the state of permissions was never preserved. To handle that we need to store
all permissions behind "Arc<Mutex<>>" (because there are situations where we
need to send them to other thread).
Testing and benching code still uses "Permissions" in most places - it's undesirable
to share the same permission set between various test/bench files - otherwise
granting or revoking permissions in one file would influence behavior of other test
files.
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Yearly tradition of creating extra noise in git.
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This PR adds support for `Deno.osUptime` which reports number of seconds
since os was booted. It will allow us to be compatible with Node's `os.uptime` -
https://nodejs.org/api/os.html#osuptime
Partially based on
https://docs.rs/uptime_lib/latest/src/uptime_lib/lib.rs.html
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This commit changes implementation of "Deno.memoryUsage()" to return
correct value for "rss" field. To do that we implement a specialized function
per os to retrieve this information.
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This reverts commit 9b2b8df927ac23cfa99016a684179f2a3198ba2e.
Closes https://github.com/dsherret/ts-morph/issues/1372
Closes https://github.com/denoland/deno/issues/16979
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Co-authored-by: David Sherret <dsherret@gmail.com>
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This commit removes three unstable Deno APIs:
- "Deno.spawn()"
- "Deno.spawnSync()"
- "Deno.spawnChild()"
These APIs were replaced by a unified "Deno.Command" API.
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Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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```
$ dd if=/dev/zero bs=65536 count=500000 | ./stdio # C baseline
500000+0 records in
500000+0 records out
32768000000 bytes transferred in 4.126087 secs (7941664827 bytes/sec)
c: size 32768000000 reads 500000 blocksize 65536
```
```
$ dd if=/dev/zero bs=65536 count=500000 | deno run stdio.js # Deno
500000+0 records in
500000+0 records out
32768000000 bytes transferred in 4.279032 secs (7657806719 bytes/sec)
deno: size 32768000000 reads 500000 blocksize 65536
```
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Uses SeqOneByteString optimization to do zero-copy `&str` arguments in
fast calls.
- [x] Depends on https://github.com/denoland/rusty_v8/pull/1129
- [x] Depends on
https://chromium-review.googlesource.com/c/v8/v8/+/4036884
- [x] Disable in async ops
- [x] Make it work with owned `String` with an extra alloc in fast path.
- [x] Support `Cow<'_, str>`. Owned for slow case, Borrowed for fast
case
```rust
#[op]
fn op_string_len(s: &str) -> u32 {
str.len() as u32
}
```
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This PR adds copies of several unstable APIs that are available
in "Deno[Deno.internal].nodeUnstable" namespace.
These copies do not perform unstable check (ie. don't require
"--unstable" flag to be present). Otherwise they work exactly
the same, including permission checks.
These APIs are not meant to be used by users directly and
can change at any time.
Copies of following APIs are available in that namespace:
- Deno.spawnChild
- Deno.spawn
- Deno.spawnSync
- Deno.serve
- Deno.upgradeHttpRaw
- Deno.listenDatagram
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Closes https://github.com/denoland/deno_std/issues/2791
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Fixes #9862
`loadavg`
| Target family | Syscall | Description |
| ------------- | ------- | ----------- |
| Linux | `sysinfo` | - |
| Windows | - | Returns `DEFAULT_LOADAVG`. There is no concept of
loadavg on Windows |
| macOS, BSD | `getloadavg` |
https://www.freebsd.org/cgi/man.cgi?query=getloadavg |
`os_release`
| Target family | Syscall | Description |
| ------------- | ------- | ----------- |
| Linux | `/proc/sys/kernel/osrelease` | - |
| Windows |
[`RtlGetVersion`](https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-rtlgetversion)
| dwMajorVersion . dwMinorVersion . dwBuildNumber |
| macOS | `sysctl([CTL_KERN, KERN_OSRELEASE])` | - |
`hostname`
| Target family | Syscall | Description |
| ------------- | ------- | ----------- |
| Unix | `gethostname(sysconf(_SC_HOST_NAME_MAX))` | - |
| Windows | `GetHostNameW` | - |
`mem_info`
| Target family | Syscall | Description |
| ------------- | ------- | ----------- |
| Linux | sysinfo | - |
| Windows | `sysinfoapi::GlobalMemoryStatusEx` | - |
| macOS | <br> <pre> sysctl([CTL_HW, HW_MEMSIZE]); <br> sysctl([CTL_VM,
VM_SWAPUSAGE]); <br> host_statistics64(mach_host_self(), HOST_VM_INFO64)
</pre> | - |
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This commit renames `Deno.getUid()` to `Deno.uid()` and renames
`Deno.getGid()` to `Deno.gid()`.
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Closes https://github.com/denoland/deno/issues/15928
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This commit stabilizes "Deno.consoleSize()" API.
There is one change compared to previous unstable API,
in that the API doesn't accept any arguments. Console size
is established by querying syscalls for stdio streams at fd
0, 1 and 2.
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original connection is captured elsewhere (#16242)
This commit removes the calls to `expect()` on `std::rc::Rc`, which caused
Deno to panic under certain situations. We now return an error if `Rc`
is referenced by other variables.
Fixes #9360
Fixes #13345
Fixes #13926
Fixes #16241
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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This change adds `windowsRawArguments` to `SpawnOptions`. The option enables
skipping the default quoting and escaping while creating the command on
windows.
The option works in a similar way as `windowsVerbatimArguments` in
child_process.spawn options in Node.js, and is necessary for simulating
it in `std/node`.
closes #8852
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This commit introduces two new buffer wrapper types to `deno_core`. The
main benefit of these new wrappers is that they can wrap a number of
different underlying buffer types. This allows for a more flexible read
and write API on resources that will require less copying of data
between different buffer representations.
- `BufView` is a read-only view onto a buffer. It can be backed by
`ZeroCopyBuf`, `Vec<u8>`, and `bytes::Bytes`.
- `BufViewMut` is a read-write view onto a buffer. It can be cheaply
converted into a `BufView`. It can be backed by `ZeroCopyBuf` or
`Vec<u8>`.
Both new buffer views have a cursor. This means that the start point of
the view can be constrained to write / read from just a slice of the
view. Only the start point of the slice can be adjusted. The end point
is fixed. To adjust the end point, the underlying buffer needs to be
truncated.
Readable resources have been changed to better cater to resources that
do not support BYOB reads. The basic `read` method now returns a
`BufView` instead of taking a `ZeroCopyBuf` to fill. This allows the
operation to return buffers that the resource has already allocated,
instead of forcing the caller to allocate the buffer. BYOB reads are
still very useful for resources that support them, so a new `read_byob`
method has been added that takes a `BufViewMut` to fill. `op_read`
attempts to use `read_byob` if the resource supports it, which falls
back to `read` and performs an additional copy if it does not. For
Rust->JS reads this change should have no impact, but for Rust->Rust
reads, this allows the caller to avoid an additional copy in many
scenarios. This combined with the support for `BufView` to be backed by
`bytes::Bytes` allows us to avoid one data copy when piping from a
`fetch` response into an `ext/http` response.
Writable resources have been changed to take a `BufView` instead of a
`ZeroCopyBuf` as an argument. This allows for less copying of data in
certain scenarios, as described above. Additionally a new
`Resource::write_all` method has been added that takes a `BufView` and
continually attempts to write the resource until the entire buffer has
been written. Certain resources like files can override this method to
provide a more efficient `write_all` implementation.
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Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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Co-authored-by: Leo Kettmeir <crowlkats@toaxl.com>
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