101757e861
Motivation: Google requires stricter compilation by adding -Werror and enabling many other warnings. Modification: * fix warning caused by -Wmissing-braces * Use the address of `sendmmsg` rather than the function itself when checking for presence. This resovles the warning caused by `-Wpointer-bool-conversion`. More detail: When compiling on Linux, `sendmmsg` is always present, so the function is always nonnull. When compiling elsewhere, the function is defined as `__attribute__((weak))` which means it may be absent at link time. This is controlled by `IO_NETTY_SENDMMSG_NOT_FOUND`, which is off by default. The reason for the error is due to the risk of accidentally not calling the function. By adding `&` before the function, there is no ambiguity. (the result of the fn call cannot have its address taken.) * use != to check for sendmmsg Result: Easier compilation. |
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Netty Project
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
Links
How to build
For the detailed information about building and developing Netty, please visit the developer guide. This page only gives very basic information.
You require the following to build Netty:
- Latest stable Oracle JDK 7
- Latest stable Apache Maven
- If you are on Linux, you need additional development packages installed on your system, because you'll build the native transport.
Note that this is build-time requirement. JDK 5 (for 3.x) or 6 (for 4.0+) is enough to run your Netty-based application.
Branches to look
Development of all versions takes place in each branch whose name is identical to <majorVersion>.<minorVersion>. For example, the development of 3.9 and 4.0 resides in the branch '3.9' and the branch '4.0' respectively.