diff options
Diffstat (limited to 'vendor/rustix/src/backend/libc/io_uring')
| -rw-r--r-- | vendor/rustix/src/backend/libc/io_uring/mod.rs | 1 | ||||
| -rw-r--r-- | vendor/rustix/src/backend/libc/io_uring/syscalls.rs | 70 | 
2 files changed, 71 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/libc/io_uring/mod.rs b/vendor/rustix/src/backend/libc/io_uring/mod.rs new file mode 100644 index 0000000..ef944f0 --- /dev/null +++ b/vendor/rustix/src/backend/libc/io_uring/mod.rs @@ -0,0 +1 @@ +pub(crate) mod syscalls; diff --git a/vendor/rustix/src/backend/libc/io_uring/syscalls.rs b/vendor/rustix/src/backend/libc/io_uring/syscalls.rs new file mode 100644 index 0000000..8e81824 --- /dev/null +++ b/vendor/rustix/src/backend/libc/io_uring/syscalls.rs @@ -0,0 +1,70 @@ +//! libc syscalls supporting `rustix::io_uring`. + +use crate::backend::c; +use crate::backend::conv::{borrowed_fd, ret_owned_fd, ret_u32}; +use crate::fd::{BorrowedFd, OwnedFd}; +use crate::io; +use crate::io_uring::{io_uring_params, IoringEnterFlags, IoringRegisterOp}; + +#[inline] +pub(crate) fn io_uring_setup(entries: u32, params: &mut io_uring_params) -> io::Result<OwnedFd> { +    syscall! { +        fn io_uring_setup( +            entries: u32, +            params: *mut io_uring_params +        ) via SYS_io_uring_setup -> c::c_int +    } +    unsafe { ret_owned_fd(io_uring_setup(entries, params)) } +} + +#[inline] +pub(crate) unsafe fn io_uring_register( +    fd: BorrowedFd<'_>, +    opcode: IoringRegisterOp, +    arg: *const c::c_void, +    nr_args: u32, +) -> io::Result<u32> { +    syscall! { +        fn io_uring_register( +            fd: c::c_uint, +            opcode: c::c_uint, +            arg: *const c::c_void, +            nr_args: c::c_uint +        ) via SYS_io_uring_register -> c::c_int +    } +    ret_u32(io_uring_register( +        borrowed_fd(fd) as _, +        opcode as u32, +        arg, +        nr_args, +    )) +} + +#[inline] +pub(crate) unsafe fn io_uring_enter( +    fd: BorrowedFd<'_>, +    to_submit: u32, +    min_complete: u32, +    flags: IoringEnterFlags, +    arg: *const c::c_void, +    size: usize, +) -> io::Result<u32> { +    syscall! { +        fn io_uring_enter2( +            fd: c::c_uint, +            to_submit: c::c_uint, +            min_complete: c::c_uint, +            flags: c::c_uint, +            arg: *const c::c_void, +            size: usize +        ) via SYS_io_uring_enter -> c::c_int +    } +    ret_u32(io_uring_enter2( +        borrowed_fd(fd) as _, +        to_submit, +        min_complete, +        bitflags_bits!(flags), +        arg, +        size, +    )) +}  | 
