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Go io uring syscall implementation without CGO, rewrite on branch v0.4
| assets | ||
| bench/perf | ||
| examples | ||
| .gitignore | ||
| go.mod | ||
| go.sum | ||
| hdr.go | ||
| hdr_int_flags.go | ||
| hdr_struct.go | ||
| inline_cost.py | ||
| LICENSE | ||
| Makefile | ||
| prep.go | ||
| queue.go | ||
| queue_test.go | ||
| README.md | ||
| register.go | ||
| setup.go | ||
| sigset.go | ||
| syscall.go | ||
| syscall_nr_amd64.go | ||
| uring.go | ||
| uring_bench_test.go | ||
| uring_test.go | ||
| util_ptr_arith.go | ||
| util_ptr_arith_test.go | ||
| util_union.go | ||
gouring
go get github.com/ii64/gouring
Examples
Write
// setup
h, err := gouring.New(256, 0)
if err != nil {
log.Fatal("Error creating ring: ", err)
}
defer h.Close()
fd, err := unix.Open("/tmp/gouring_test", unix.O_RDWR, 0677)
if err != nil {
log.Fatal("Error opening file: ", err)
}
sqe := h.GetSqe()
b := []byte("io_uring!\n")
gouring.PrepWrite(sqe, fd, &b[0], len(b), 0)
submitted, err := h.SubmitAndWait(1)
if err != nil {
log.Fatal("Error waiting ring: ", err)
}
println(submitted) // 1
var cqe *gouring.IoUringCqe
err = h.WaitCqe(&cqe)
if err != nil {
log.Fatal("Error waiting cqe: ", err)
} // check also EINTR
_ = cqe.UserData
_ = cqe.Res
_ = cqe.Flags
Read
// setup
h, err := gouring.New(256, 0)
if err != nil {
log.Fatal("Error creating ring: ", err)
}
defer h.Close()
fd, err := unix.Open("/tmp/gouring_test", unix.O_RDWR, 0677)
if err != nil {
log.Fatal("Error opening file: ", err)
}
sqe := h.GetSqe()
b := make([]byte, 20)
gouring.PrepRead(sqe, fd, &b[0], len(b), 0)
submitted, err := h.SubmitAndWait(1)
if err != nil {
log.Fatal("Error waiting ring: ", err)
}
println(submitted) // 1
var cqe *gouring.IoUringCqe
err = h.WaitCqe(&cqe)
if err != nil {
log.Fatal("Error waiting cqe: ", err)
} // check also EINTR
_ = cqe.UserData
_ = cqe.Res
_ = cqe.Flags
log.Println("CQE: ", cqe)
log.Println("Buffer: ", b)
log.Println("Buffer: ", string(b))
Graph
| SQPOLL | non-SQPOLL |
|---|---|
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