commit | d59dd034def1b9e297b0433cc6d2f0ed4c8cc138 | [log] [tgz] |
---|---|---|
author | Jocelyn Dang <jocelyndang@google.com> | Fri Jul 13 15:47:21 2018 -0700 |
committer | CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> | Thu Aug 16 20:36:59 2018 +0000 |
tree | 230a1b14987bd92991cfa0cdb949116c98d1487d | |
parent | ac0a5fe80e39e81e017d53ba73a9e313cb7d9c07 [diff] |
[host][xdc-server] Set host stream connect status. The xdc device side sends a ctrl msg when a device stream goes on / offline. When a client registers that stream id, or currently has registered it, we will set them as connected / not connected. Later on we can use this to know when to queue more data from a client to the xdc device. TEST= patch in local usb handler changes out/build-zircon/tools/xdcserver fx shell xdc-test -u -f file out/build-zircon/tools/xdc-test-host -d -f file Stream id 1 should be connected. Change-Id: I815141641cf76dd04a905333385a3d0f3ee06a4d
Zircon is the core platform that powers the Fuchsia OS. Zircon is composed of a microkernel (source in kernel/...) as well as a small set of userspace services, drivers, and libraries (source in system/...) necessary for the system to boot, talk to hardware, load userspace processes and run them, etc. Fuchsia builds a much larger OS on top of this foundation.
The canonical Zircon Git repository is located at: https://fuchsia.googlesource.com/zircon
A read-only mirror of the code is present at: https://github.com/fuchsia-mirror/zircon
The Zircon Kernel provides syscalls to manage processes, threads, virtual memory, inter-process communication, waiting on object state changes, and locking (via futexes).
Currently there are some temporary syscalls that have been used for early bringup work, which will be going away in the future as the long term syscall API/ABI surface is finalized. The expectation is that there will be about 100 syscalls.
Zircon syscalls are generally non-blocking. The wait_one, wait_many port_wait and thread sleep being the notable exceptions.
This page is a non-comprehensive index of the zircon documentation.