Remove all blocking std::os blocking functions

This commit moves all thread-blocking I/O functions from the std::os module.
Their replacements can be found in either std::rt::io::file or in a hidden
"old_os" module inside of native::file. I didn't want to outright delete these
functions because they have a lot of special casing learned over time for each
OS/platform, and I imagine that these will someday get integrated into a
blocking implementation of IoFactory. For now, they're moved to a private module
to prevent bitrot and still have tests to ensure that they work.

I've also expanded the extensions to a few more methods defined on Path, most of
which were previously defined in std::os but now have non-thread-blocking
implementations as part of using the current IoFactory.

The api of io::file is in flux, but I plan on changing it in the next commit as
well.

Closes #10057

1 files changed, 4 insertions, 0 deletions

diff --git a/src/rt/rust_uv.cpp b/src/rt/rust_uv.cpp
index 70602100f2e..2b63325f931 100644
--- a/src/rt/rust_uv.cpp
+++ b/src/rt/rust_uv.cpp
@@ -597,6 +597,10 @@ rust_uv_fs_rename(uv_loop_t *loop, uv_fs_t* req, const char *path,
                   const char *to, uv_fs_cb cb) {
     return uv_fs_rename(loop, req, path, to, cb);
 }
+extern "C" int
+rust_uv_fs_chmod(uv_loop_t* loop, uv_fs_t* req, const char* path, int mode, uv_fs_cb cb) {
+  return uv_fs_chmod(loop, req, path, mode, cb);
+}
 
 extern "C" int
 rust_uv_spawn(uv_loop_t *loop, uv_process_t *p, uv_process_options_t options) {