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Diffstat (limited to 'vendor/rustix/src/process/id.rs')
| -rw-r--r-- | vendor/rustix/src/process/id.rs | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/vendor/rustix/src/process/id.rs b/vendor/rustix/src/process/id.rs deleted file mode 100644 index 1a49dc5..0000000 --- a/vendor/rustix/src/process/id.rs +++ /dev/null @@ -1,232 +0,0 @@ -//! Unix user, group, and process identifiers. -//! -//! # Safety -//! -//! The `Uid`, `Gid`, and `Pid` types can be constructed from raw integers, -//! which is marked unsafe because actual OS's assign special meaning to some -//! integer values. -#![allow(unsafe_code)] - -use crate::{backend, io}; -#[cfg(feature = "alloc")] -use alloc::vec::Vec; -#[cfg(linux_kernel)] -use backend::process::types::RawCpuid; - -/// The raw integer value of a Unix user ID. -pub use crate::ugid::RawUid; - -/// The raw integer value of a Unix group ID. -pub use crate::ugid::RawGid; - -/// The raw integer value of a Unix process ID. -pub use crate::pid::RawPid; - -pub use crate::pid::Pid; -pub use crate::ugid::{Gid, Uid}; - -/// A Linux CPU ID. -#[cfg(linux_kernel)] -#[repr(transparent)] -#[derive(Copy, Clone, Eq, PartialEq, Debug, Hash)] -pub struct Cpuid(RawCpuid); - -#[cfg(linux_kernel)] -impl Cpuid { - /// Converts a `RawCpuid` into a `Cpuid`. - /// - /// # Safety - /// - /// `raw` must be the value of a valid Linux CPU ID. - #[inline] - pub const unsafe fn from_raw(raw: RawCpuid) -> Self { - Self(raw) - } - - /// Converts a `Cpuid` into a `RawCpuid`. - #[inline] - pub const fn as_raw(self) -> RawCpuid { - self.0 - } -} - -/// `getuid()`—Returns the process' real user ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getuid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getuid.2.html -#[inline] -#[must_use] -pub fn getuid() -> Uid { - backend::ugid::syscalls::getuid() -} - -/// `geteuid()`—Returns the process' effective user ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/geteuid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/geteuid.2.html -#[inline] -#[must_use] -pub fn geteuid() -> Uid { - backend::ugid::syscalls::geteuid() -} - -/// `getgid()`—Returns the process' real group ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getgid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getgid.2.html -#[inline] -#[must_use] -pub fn getgid() -> Gid { - backend::ugid::syscalls::getgid() -} - -/// `getegid()`—Returns the process' effective group ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getegid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getegid.2.html -#[inline] -#[must_use] -pub fn getegid() -> Gid { - backend::ugid::syscalls::getegid() -} - -/// `getpid()`—Returns the process' ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getpid.2.html -#[inline] -#[must_use] -pub fn getpid() -> Pid { - backend::pid::syscalls::getpid() -} - -/// `getppid()`—Returns the parent process' ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getppid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getppid.2.html -#[inline] -#[must_use] -pub fn getppid() -> Option<Pid> { - backend::process::syscalls::getppid() -} - -/// `getpgid(pid)`—Returns the process group ID of the given process. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpgid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getpgid.2.html -#[inline] -pub fn getpgid(pid: Option<Pid>) -> io::Result<Pid> { - backend::process::syscalls::getpgid(pid) -} - -/// `setpgid(pid, pgid)`—Sets the process group ID of the given process. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setpgid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/setpgid.2.html -#[inline] -pub fn setpgid(pid: Option<Pid>, pgid: Option<Pid>) -> io::Result<()> { - backend::process::syscalls::setpgid(pid, pgid) -} - -/// `getpgrp()`—Returns the process' group ID. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpgrp.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getpgrp.2.html -#[inline] -#[must_use] -pub fn getpgrp() -> Pid { - backend::process::syscalls::getpgrp() -} - -/// `getsid(pid)`—Get the session ID of the given process. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getsid.2.html -#[cfg(not(target_os = "redox"))] -#[inline] -pub fn getsid(pid: Option<Pid>) -> io::Result<Pid> { - backend::process::syscalls::getsid(pid) -} - -/// `setsid()`—Create a new session. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setsid.html -/// [Linux]: https://man7.org/linux/man-pages/man2/setsid.2.html -#[inline] -pub fn setsid() -> io::Result<Pid> { - backend::process::syscalls::setsid() -} - -/// `getgroups()`—Return a list of the current user's groups. -/// -/// # References -/// - [POSIX] -/// - [Linux] -/// -/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getgroups.html -/// [Linux]: https://man7.org/linux/man-pages/man2/getgroups.2.html -#[cfg(feature = "alloc")] -pub fn getgroups() -> io::Result<Vec<Gid>> { - // This code would benefit from having a better way to read into - // uninitialized memory, but that requires `unsafe`. - let mut buffer = Vec::with_capacity(8); - buffer.resize(buffer.capacity(), Gid::ROOT); - - loop { - let ngroups = backend::process::syscalls::getgroups(&mut buffer)?; - - let ngroups = ngroups as usize; - assert!(ngroups <= buffer.len()); - if ngroups < buffer.len() { - buffer.resize(ngroups, Gid::ROOT); - return Ok(buffer); - } - // Use `Vec` reallocation strategy to grow capacity exponentially. - buffer.reserve(1); - buffer.resize(buffer.capacity(), Gid::ROOT); - } -} |