| // Copyright 2022 The ChromiumOS Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| //! Small system utility modules for usage by other modules. |
| |
| #![cfg(windows)] |
| |
| #[macro_use] |
| pub mod win; |
| |
| #[macro_use] |
| pub mod ioctl; |
| #[macro_use] |
| pub mod syslog; |
| mod console; |
| mod descriptor; |
| mod event; |
| mod events; |
| pub mod file_traits; |
| mod get_filesystem_type; |
| mod mmap; |
| mod mmap_platform; |
| pub mod named_pipes; |
| pub mod platform_timer_resolution; |
| mod priority; |
| // Add conditional compile? |
| mod punch_hole; |
| mod read_write_wrappers; |
| mod sched; |
| mod shm; |
| mod shm_platform; |
| mod stream_channel; |
| mod terminal; |
| mod timer; |
| mod wait; |
| |
| pub mod thread; |
| |
| mod write_zeroes; |
| |
| pub use console::*; |
| pub use descriptor::*; |
| pub use event::*; |
| pub use events::*; |
| pub use get_filesystem_type::*; |
| pub use ioctl::*; |
| pub use mmap::Error as MmapError; |
| pub use mmap::*; |
| pub(crate) use mmap_platform::PROT_READ; |
| pub(crate) use mmap_platform::PROT_WRITE; |
| pub use priority::*; |
| pub(crate) use punch_hole::file_punch_hole; |
| pub use read_write_wrappers::*; |
| pub use sched::*; |
| pub use shm::*; |
| pub use shm_platform::*; |
| pub use stream_channel::*; |
| pub use terminal::*; |
| pub use timer::*; |
| pub use win::*; |
| pub(crate) use write_zeroes::file_write_zeroes_at; |
| |
| pub use crate::descriptor_reflection::deserialize_with_descriptors; |
| pub use crate::descriptor_reflection::with_as_descriptor; |
| pub use crate::descriptor_reflection::with_raw_descriptor; |
| pub use crate::descriptor_reflection::FileSerdeWrapper; |
| pub use crate::descriptor_reflection::SerializeDescriptors; |
| pub use crate::errno::Error; |
| pub use crate::errno::Result; |
| pub use crate::errno::*; |
| |
| // Define libc::* types |
| #[allow(non_camel_case_types)] |
| pub type pid_t = i32; |
| #[allow(non_camel_case_types)] |
| pub type uid_t = u32; |
| #[allow(non_camel_case_types)] |
| pub type gid_t = u32; |
| #[allow(non_camel_case_types)] |
| pub type mode_t = u32; |
| |
| /// Re-export libc types that are part of the API. |
| pub type Pid = pid_t; |
| pub type Uid = uid_t; |
| pub type Gid = gid_t; |
| pub type Mode = mode_t; |
| |
| /// Uses the system's page size in bytes to round the given value up to the nearest page boundary. |
| #[inline(always)] |
| pub fn round_up_to_page_size(v: usize) -> usize { |
| let page_mask = pagesize() - 1; |
| (v + page_mask) & !page_mask |
| } |
| |
| /// Returns the number of online logical cores on the system. |
| pub fn number_of_logical_cores() -> Result<usize> { |
| Ok(win_util::number_of_processors()) |
| } |
