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This is a re-landing of #8645, except that the bindings are *not* being used to
power std::run just yet. Instead, this adds the bindings as standalone bindings
inside the rt::io::process module.
I made one major change from before, having to do with how pipes are
created/bound. It's much clearer now when you can read/write to a pipe, as
there's an explicit difference (different types) between an unbound and a bound
pipe. The process configuration now takes unbound pipes (and consumes ownership
of them), and will return corresponding pipe structures back if spawning is
successful (otherwise everything is destroyed normally).
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add ignores for win32 tests on previous file io stuff...
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std: remove unneeded field from RequestData struct
std: rt::uv::file - map us_fs_stat & start refactoring calls into FsRequest
std: stubbing out stat calls from the top-down into uvio
std: us_fs_* operations are now by-val self methods on FsRequest
std: post-rebase cleanup
std: add uv_fs_mkdir|rmdir + tests & minor test cleanup in rt::uv::file
WORKING: fleshing out FileStat and FileInfo + tests
std: reverting test files..
refactoring back and cleanup...
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This is a very simplistic method for host name resolution. It converts
a host name to a vector of IP addresses. Should be enough to get started.
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The Listener trait takes two type parameters, the type of connection and the type of Acceptor,
and specifies only one method, listen, which consumes the listener and produces an Acceptor.
The Acceptor trait takes one type parameter, the type of connection, and defines two methods.
The accept() method waits for an incoming connection attempt and returns the result.
The incoming() method creates an iterator over incoming connections and is a default method.
Example:
let listener = TcpListener.bind(addr); // Bind to a socket
let acceptor = listener.listen(); // Start the listener
for stream in acceptor.incoming() {
// Process incoming connections forever (or until you break out of the loop)
}
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r=brson"
This reverts commit b8d1fa399402c71331aefd634d710004e00b73a6, reversing
changes made to f22b4b169854c8a4ba86c16ee43327d6bcf94562.
Conflicts:
mk/rt.mk
src/libuv
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Closes #6436
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- change all uses of Path in fn args to &P
- FileStream.read assumptions were wrong (libuv file io is non-positional)
- the above will mean that we "own" Seek impl info .. should probably
push it in UvFileDescriptor..
- needs more tests
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libuv handles are tied to the event loop that created them. In order to perform IO, the handle must be on the thread with its home event loop. Thus, when as task wants to do IO it must first go to the IO handle's home event loop and pin itself to the corresponding scheduler while the IO action is in flight. Once the IO action completes, the task is unpinned and either returns to its home scheduler if it is a pinned task, or otherwise stays on the current scheduler.
Making new blocking IO implementations (i.e. files) thread safe is rather simple. Add a home field to the IO handle's struct in uvio and implement the HomingIO trait. Wrap every IO call in the HomingIO.home_for_io method, which will take care of the scheduling.
I'm not sure if this remains thread safe in the presence of asynchronous IO at the libuv level. If we decide to do that, then this set up should be revisited.
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Each IO handle has a home event loop, which created it.
When a task wants to use an IO handle, it must first make sure it is on that home event loop.
It uses the scheduler handle in the IO handle to send itself there before starting the IO action.
Once the IO action completes, the task restores its previous home state.
If it is an AnySched task, then it will be executed on the new scheduler.
If it has a normal home, then it will return there before executing any more code after the IO action.
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PausibleIdleCallback and placed the appropriate signatures in rtio and implementation into uvio.
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multicast functions now take IpAddr (without port), because they dont't
need port.
Uv* types renamed:
* UvIpAddr -> UvSocketAddr
* UvIpv4 -> UvIpv4SocketAddr
* UvIpv6 -> UvIpv6SocketAddr
"Socket address" is a common name for (ip-address, port) pair (e.g. in
sockaddr_in struct).
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that libuv may change the underlying handle.
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Conflicts:
src/libstd/rt/sched.rs
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This only changes the directory names; it does not change the "real"
metadata names.
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