Andy Pan

Enable SOCK_NONBLOCK on system call socket()

4

### What this PR mainly does is: 1. Refactor the `anetCreateSocket()` to make it more generic for more socket arguments, and use `SOCK_NONBLOCK` if available, which will reduce two system...

Use epoll_pwait2() if available

14

`epoll_pwait2()` was introduced in Linux kernel 5.11, it extends `epoll_wait()`/`epoll_pwait()` by allowing the `timeout` to be specified with a higher resolution, as a `timespec` type, providing nanosecond precision. By using...

Detect accept4() on specific versions of various platforms

1

Follow up #13104 This PR will enable `accept4()` on DragonFlyBSD and fix the failures of determining the presence of `accept4()` due to the missing ### References - [param.h in DragonFlyBSD](https://github.com/DragonFlyBSD/DragonFlyBSD/blob/7485684fa5c3fadb6c7a1da0d8bb6ea5da4e0f2f/sys/sys/param.h#L129-L257)...

Use SOCK_NONBLOCK to reduce system calls from enabling non-blocking sockets

3

### What this PR mainly does is: 1. Refactor the `anetCreateSocket()` to make it more generic for more socket arguments, and use `SOCK_NONBLOCK` if available, which will reduce two system...

Detect accept4() on specific versions of various platforms

1

This PR will enable `accept4()` on DragonFlyBSD and fix the failures of determining the presence of `accept4()` due to the missing ### References - [param.h in DragonFlyBSD](https://github.com/DragonFlyBSD/DragonFlyBSD/blob/7485684fa5c3fadb6c7a1da0d8bb6ea5da4e0f2f/sys/sys/param.h#L129-L257) - [param.h in...

[Feature]: add synchronization for Conn to make it concurrency-safe

2

### Description of new feature For the time being, most of `gnet.Conn`'s methods are not concurrency-safe, which may result in some inconvenience and limitations, or performance issues like #423. Hence,...

Don't try to set SO_REUSEADDR and SO_REUSEPORT on Unix sockets

4

SO_REUSEADDR and SO_REUSEPORT are not supported for TCP and UDP sockets. Setting them on Unix socket via `setsockopt` somehow doesn't report an error, but it actually won't work. ## References...

Before this PR, `pipe2()` is only enabled on Linux and FreeBSD while `pipe2()` is available on *BSD. This PR enables `pipe2()` for the rest of *BSD: DragonFlyBSD, NetBSD and OpenBSD....

Use kqueue as the backend of AE on DragonFlyBSD

1

Currently, we use select(2) on DragonFlyBSD while `kqueue` is available on DragonFlyBSD since FreeBSD 4.1 and DragonFlyBSD was originally forked from FreeBSD 4.8 `select(2)` is a pretty old technique that...

Batch applying events to kqueue

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`kqueue` has the capability of batch applying events: > The kevent,() kevent64() and kevent_qos() system calls are used to register events with the queue, and return any pending events to...