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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/rustix/src/backend/linux_raw/mm
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/rustix/src/backend/linux_raw/mm')
-rw-r--r--vendor/rustix/src/backend/linux_raw/mm/mod.rs2
-rw-r--r--vendor/rustix/src/backend/linux_raw/mm/syscalls.rs237
-rw-r--r--vendor/rustix/src/backend/linux_raw/mm/types.rs295
3 files changed, 0 insertions, 534 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/mm/mod.rs b/vendor/rustix/src/backend/linux_raw/mm/mod.rs
deleted file mode 100644
index 1e0181a..0000000
--- a/vendor/rustix/src/backend/linux_raw/mm/mod.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-pub(crate) mod syscalls;
-pub(crate) mod types;
diff --git a/vendor/rustix/src/backend/linux_raw/mm/syscalls.rs b/vendor/rustix/src/backend/linux_raw/mm/syscalls.rs
deleted file mode 100644
index 361f111..0000000
--- a/vendor/rustix/src/backend/linux_raw/mm/syscalls.rs
+++ /dev/null
@@ -1,237 +0,0 @@
-//! linux_raw syscalls supporting `rustix::io`.
-//!
-//! # Safety
-//!
-//! See the `rustix::backend` module documentation for details.
-#![allow(unsafe_code)]
-#![allow(clippy::undocumented_unsafe_blocks)]
-
-use super::types::{
- Advice, MapFlags, MlockAllFlags, MlockFlags, MprotectFlags, MremapFlags, MsyncFlags, ProtFlags,
- UserfaultfdFlags,
-};
-use crate::backend::c;
-#[cfg(target_pointer_width = "64")]
-use crate::backend::conv::loff_t_from_u64;
-use crate::backend::conv::{c_uint, no_fd, pass_usize, ret, ret_owned_fd, ret_void_star};
-use crate::fd::{BorrowedFd, OwnedFd};
-use crate::io;
-use linux_raw_sys::general::MAP_ANONYMOUS;
-
-#[inline]
-pub(crate) fn madvise(addr: *mut c::c_void, len: usize, advice: Advice) -> io::Result<()> {
- unsafe {
- ret(syscall!(
- __NR_madvise,
- addr,
- pass_usize(len),
- c_uint(advice as c::c_uint)
- ))
- }
-}
-
-#[inline]
-pub(crate) unsafe fn msync(addr: *mut c::c_void, len: usize, flags: MsyncFlags) -> io::Result<()> {
- ret(syscall!(__NR_msync, addr, pass_usize(len), flags))
-}
-
-/// # Safety
-///
-/// `mmap` is primarily unsafe due to the `addr` parameter, as anything working
-/// with memory pointed to by raw pointers is unsafe.
-#[inline]
-pub(crate) unsafe fn mmap(
- addr: *mut c::c_void,
- length: usize,
- prot: ProtFlags,
- flags: MapFlags,
- fd: BorrowedFd<'_>,
- offset: u64,
-) -> io::Result<*mut c::c_void> {
- #[cfg(target_pointer_width = "32")]
- {
- ret_void_star(syscall!(
- __NR_mmap2,
- addr,
- pass_usize(length),
- prot,
- flags,
- fd,
- (offset / 4096)
- .try_into()
- .map(pass_usize)
- .map_err(|_| io::Errno::INVAL)?
- ))
- }
- #[cfg(target_pointer_width = "64")]
- {
- ret_void_star(syscall!(
- __NR_mmap,
- addr,
- pass_usize(length),
- prot,
- flags,
- fd,
- loff_t_from_u64(offset)
- ))
- }
-}
-
-/// # Safety
-///
-/// `mmap` is primarily unsafe due to the `addr` parameter, as anything working
-/// with memory pointed to by raw pointers is unsafe.
-#[inline]
-pub(crate) unsafe fn mmap_anonymous(
- addr: *mut c::c_void,
- length: usize,
- prot: ProtFlags,
- flags: MapFlags,
-) -> io::Result<*mut c::c_void> {
- #[cfg(target_pointer_width = "32")]
- {
- ret_void_star(syscall!(
- __NR_mmap2,
- addr,
- pass_usize(length),
- prot,
- c_uint(flags.bits() | MAP_ANONYMOUS),
- no_fd(),
- pass_usize(0)
- ))
- }
- #[cfg(target_pointer_width = "64")]
- {
- ret_void_star(syscall!(
- __NR_mmap,
- addr,
- pass_usize(length),
- prot,
- c_uint(flags.bits() | MAP_ANONYMOUS),
- no_fd(),
- loff_t_from_u64(0)
- ))
- }
-}
-
-#[inline]
-pub(crate) unsafe fn mprotect(
- ptr: *mut c::c_void,
- len: usize,
- flags: MprotectFlags,
-) -> io::Result<()> {
- ret(syscall!(__NR_mprotect, ptr, pass_usize(len), flags))
-}
-
-/// # Safety
-///
-/// `munmap` is primarily unsafe due to the `addr` parameter, as anything
-/// working with memory pointed to by raw pointers is unsafe.
-#[inline]
-pub(crate) unsafe fn munmap(addr: *mut c::c_void, length: usize) -> io::Result<()> {
- ret(syscall!(__NR_munmap, addr, pass_usize(length)))
-}
-
-/// # Safety
-///
-/// `mremap` is primarily unsafe due to the `old_address` parameter, as
-/// anything working with memory pointed to by raw pointers is unsafe.
-#[inline]
-pub(crate) unsafe fn mremap(
- old_address: *mut c::c_void,
- old_size: usize,
- new_size: usize,
- flags: MremapFlags,
-) -> io::Result<*mut c::c_void> {
- ret_void_star(syscall!(
- __NR_mremap,
- old_address,
- pass_usize(old_size),
- pass_usize(new_size),
- flags
- ))
-}
-
-/// # Safety
-///
-/// `mremap_fixed` is primarily unsafe due to the `old_address` and
-/// `new_address` parameters, as anything working with memory pointed to by raw
-/// pointers is unsafe.
-#[inline]
-pub(crate) unsafe fn mremap_fixed(
- old_address: *mut c::c_void,
- old_size: usize,
- new_size: usize,
- flags: MremapFlags,
- new_address: *mut c::c_void,
-) -> io::Result<*mut c::c_void> {
- ret_void_star(syscall!(
- __NR_mremap,
- old_address,
- pass_usize(old_size),
- pass_usize(new_size),
- flags,
- new_address
- ))
-}
-
-/// # Safety
-///
-/// `mlock` operates on raw pointers and may round out to the nearest page
-/// boundaries.
-#[inline]
-pub(crate) unsafe fn mlock(addr: *mut c::c_void, length: usize) -> io::Result<()> {
- ret(syscall!(__NR_mlock, addr, pass_usize(length)))
-}
-
-/// # Safety
-///
-/// `mlock_with` operates on raw pointers and may round out to the nearest page
-/// boundaries.
-#[inline]
-pub(crate) unsafe fn mlock_with(
- addr: *mut c::c_void,
- length: usize,
- flags: MlockFlags,
-) -> io::Result<()> {
- ret(syscall!(__NR_mlock2, addr, pass_usize(length), flags))
-}
-
-/// # Safety
-///
-/// `munlock` operates on raw pointers and may round out to the nearest page
-/// boundaries.
-#[inline]
-pub(crate) unsafe fn munlock(addr: *mut c::c_void, length: usize) -> io::Result<()> {
- ret(syscall!(__NR_munlock, addr, pass_usize(length)))
-}
-
-#[inline]
-pub(crate) unsafe fn userfaultfd(flags: UserfaultfdFlags) -> io::Result<OwnedFd> {
- ret_owned_fd(syscall_readonly!(__NR_userfaultfd, flags))
-}
-
-/// Locks all pages mapped into the address space of the calling process.
-///
-/// This includes the pages of the code, data, and stack segment, as well as
-/// shared libraries, user space kernel data, shared memory, and memory-mapped
-/// files. All mapped pages are guaranteed to be resident in RAM when the call
-/// returns successfully; the pages are guaranteed to stay in RAM until later
-/// unlocked.
-#[inline]
-pub(crate) fn mlockall(flags: MlockAllFlags) -> io::Result<()> {
- // When `mlockall` is used with `MCL_ONFAULT | MCL_FUTURE`, the ordering
- // of `mlockall` with respect to arbitrary loads may be significant,
- // because if a load happens and evokes a fault before the `mlockall`,
- // the memory doesn't get locked, but if the load and therefore
- // the fault happens after, then the memory does get locked.
- // So to be conservative in this regard, we use `syscall` instead
- // of `syscall_readonly`
- unsafe { ret(syscall!(__NR_mlockall, flags)) }
-}
-
-/// Unlocks all pages mapped into the address space of the calling process.
-#[inline]
-pub(crate) fn munlockall() -> io::Result<()> {
- unsafe { ret(syscall_readonly!(__NR_munlockall)) }
-}
diff --git a/vendor/rustix/src/backend/linux_raw/mm/types.rs b/vendor/rustix/src/backend/linux_raw/mm/types.rs
deleted file mode 100644
index 68898f5..0000000
--- a/vendor/rustix/src/backend/linux_raw/mm/types.rs
+++ /dev/null
@@ -1,295 +0,0 @@
-use crate::backend::c;
-use bitflags::bitflags;
-
-bitflags! {
- /// `PROT_*` flags for use with [`mmap`].
- ///
- /// For `PROT_NONE`, use `ProtFlags::empty()`.
- ///
- /// [`mmap`]: crate::mm::mmap
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct ProtFlags: u32 {
- /// `PROT_READ`
- const READ = linux_raw_sys::general::PROT_READ;
- /// `PROT_WRITE`
- const WRITE = linux_raw_sys::general::PROT_WRITE;
- /// `PROT_EXEC`
- const EXEC = linux_raw_sys::general::PROT_EXEC;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-bitflags! {
- /// `PROT_*` flags for use with [`mprotect`].
- ///
- /// For `PROT_NONE`, use `MprotectFlags::empty()`.
- ///
- /// [`mprotect`]: crate::mm::mprotect
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct MprotectFlags: u32 {
- /// `PROT_READ`
- const READ = linux_raw_sys::general::PROT_READ;
- /// `PROT_WRITE`
- const WRITE = linux_raw_sys::general::PROT_WRITE;
- /// `PROT_EXEC`
- const EXEC = linux_raw_sys::general::PROT_EXEC;
- /// `PROT_GROWSUP`
- const GROWSUP = linux_raw_sys::general::PROT_GROWSUP;
- /// `PROT_GROWSDOWN`
- const GROWSDOWN = linux_raw_sys::general::PROT_GROWSDOWN;
- /// `PROT_SEM`
- const SEM = linux_raw_sys::general::PROT_SEM;
- /// `PROT_BTI`
- #[cfg(target_arch = "aarch64")]
- const BTI = linux_raw_sys::general::PROT_BTI;
- /// `PROT_MTE`
- #[cfg(target_arch = "aarch64")]
- const MTE = linux_raw_sys::general::PROT_MTE;
- /// `PROT_SAO`
- #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
- const SAO = linux_raw_sys::general::PROT_SAO;
- /// `PROT_ADI`
- #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))]
- const ADI = linux_raw_sys::general::PROT_ADI;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-bitflags! {
- /// `MAP_*` flags for use with [`mmap`].
- ///
- /// For `MAP_ANONYMOUS` (aka `MAP_ANON`), see [`mmap_anonymous`].
- ///
- /// [`mmap`]: crate::mm::mmap
- /// [`mmap_anonymous`]: crates::mm::mmap_anonymous
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct MapFlags: u32 {
- /// `MAP_SHARED`
- const SHARED = linux_raw_sys::general::MAP_SHARED;
- /// `MAP_SHARED_VALIDATE` (since Linux 4.15)
- const SHARED_VALIDATE = linux_raw_sys::general::MAP_SHARED_VALIDATE;
- /// `MAP_PRIVATE`
- const PRIVATE = linux_raw_sys::general::MAP_PRIVATE;
- /// `MAP_DENYWRITE`
- const DENYWRITE = linux_raw_sys::general::MAP_DENYWRITE;
- /// `MAP_FIXED`
- const FIXED = linux_raw_sys::general::MAP_FIXED;
- /// `MAP_FIXED_NOREPLACE` (since Linux 4.17)
- const FIXED_NOREPLACE = linux_raw_sys::general::MAP_FIXED_NOREPLACE;
- /// `MAP_GROWSDOWN`
- const GROWSDOWN = linux_raw_sys::general::MAP_GROWSDOWN;
- /// `MAP_HUGETLB`
- const HUGETLB = linux_raw_sys::general::MAP_HUGETLB;
- /// `MAP_HUGE_2MB` (since Linux 3.8)
- const HUGE_2MB = linux_raw_sys::general::MAP_HUGE_2MB;
- /// `MAP_HUGE_1GB` (since Linux 3.8)
- const HUGE_1GB = linux_raw_sys::general::MAP_HUGE_1GB;
- /// `MAP_LOCKED`
- const LOCKED = linux_raw_sys::general::MAP_LOCKED;
- /// `MAP_NORESERVE`
- const NORESERVE = linux_raw_sys::general::MAP_NORESERVE;
- /// `MAP_POPULATE`
- const POPULATE = linux_raw_sys::general::MAP_POPULATE;
- /// `MAP_STACK`
- const STACK = linux_raw_sys::general::MAP_STACK;
- /// `MAP_SYNC` (since Linux 4.15)
- #[cfg(not(any(target_arch = "mips", target_arch = "mips32r6", target_arch = "mips64", target_arch = "mips64r6")))]
- const SYNC = linux_raw_sys::general::MAP_SYNC;
- /// `MAP_UNINITIALIZED`
- #[cfg(not(any(target_arch = "mips", target_arch = "mips32r6", target_arch = "mips64", target_arch = "mips64r6")))]
- const UNINITIALIZED = linux_raw_sys::general::MAP_UNINITIALIZED;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-bitflags! {
- /// `MREMAP_*` flags for use with [`mremap`].
- ///
- /// For `MREMAP_FIXED`, see [`mremap_fixed`].
- ///
- /// [`mremap`]: crate::mm::mremap
- /// [`mremap_fixed`]: crate::mm::mremap_fixed
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct MremapFlags: u32 {
- /// `MREMAP_MAYMOVE`
- const MAYMOVE = linux_raw_sys::general::MREMAP_MAYMOVE;
- /// `MREMAP_DONTUNMAP` (since Linux 5.7)
- const DONTUNMAP = linux_raw_sys::general::MREMAP_DONTUNMAP;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-bitflags! {
- /// `MS_*` flags for use with [`msync`].
- ///
- /// [`msync`]: crate::mm::msync
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct MsyncFlags: u32 {
- /// `MS_SYNC`—Requests an update and waits for it to complete.
- const SYNC = linux_raw_sys::general::MS_SYNC;
- /// `MS_ASYNC`—Specifies that an update be scheduled, but the call
- /// returns immediately.
- const ASYNC = linux_raw_sys::general::MS_ASYNC;
- /// `MS_INVALIDATE`—Asks to invalidate other mappings of the same
- /// file (so that they can be updated with the fresh values just
- /// written).
- const INVALIDATE = linux_raw_sys::general::MS_INVALIDATE;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-bitflags! {
- /// `MLOCK_*` flags for use with [`mlock_with`].
- ///
- /// [`mlock_with`]: crate::mm::mlock_with
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct MlockFlags: u32 {
- /// `MLOCK_ONFAULT`
- const ONFAULT = linux_raw_sys::general::MLOCK_ONFAULT;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-/// `POSIX_MADV_*` constants for use with [`madvise`].
-///
-/// [`madvise`]: crate::mm::madvise
-#[derive(Debug, Copy, Clone, Eq, PartialEq)]
-#[repr(u32)]
-#[non_exhaustive]
-pub enum Advice {
- /// `POSIX_MADV_NORMAL`
- Normal = linux_raw_sys::general::MADV_NORMAL,
-
- /// `POSIX_MADV_SEQUENTIAL`
- Sequential = linux_raw_sys::general::MADV_SEQUENTIAL,
-
- /// `POSIX_MADV_RANDOM`
- Random = linux_raw_sys::general::MADV_RANDOM,
-
- /// `POSIX_MADV_WILLNEED`
- WillNeed = linux_raw_sys::general::MADV_WILLNEED,
-
- /// `MADV_DONTNEED`
- LinuxDontNeed = linux_raw_sys::general::MADV_DONTNEED,
-
- /// `MADV_FREE` (since Linux 4.5)
- LinuxFree = linux_raw_sys::general::MADV_FREE,
- /// `MADV_REMOVE`
- LinuxRemove = linux_raw_sys::general::MADV_REMOVE,
- /// `MADV_DONTFORK`
- LinuxDontFork = linux_raw_sys::general::MADV_DONTFORK,
- /// `MADV_DOFORK`
- LinuxDoFork = linux_raw_sys::general::MADV_DOFORK,
- /// `MADV_HWPOISON`
- LinuxHwPoison = linux_raw_sys::general::MADV_HWPOISON,
- /// `MADV_SOFT_OFFLINE`
- #[cfg(not(any(
- target_arch = "mips",
- target_arch = "mips32r6",
- target_arch = "mips64",
- target_arch = "mips64r6"
- )))]
- LinuxSoftOffline = linux_raw_sys::general::MADV_SOFT_OFFLINE,
- /// `MADV_MERGEABLE`
- LinuxMergeable = linux_raw_sys::general::MADV_MERGEABLE,
- /// `MADV_UNMERGEABLE`
- LinuxUnmergeable = linux_raw_sys::general::MADV_UNMERGEABLE,
- /// `MADV_HUGEPAGE`
- LinuxHugepage = linux_raw_sys::general::MADV_HUGEPAGE,
- /// `MADV_NOHUGEPAGE`
- LinuxNoHugepage = linux_raw_sys::general::MADV_NOHUGEPAGE,
- /// `MADV_DONTDUMP` (since Linux 3.4)
- LinuxDontDump = linux_raw_sys::general::MADV_DONTDUMP,
- /// `MADV_DODUMP` (since Linux 3.4)
- LinuxDoDump = linux_raw_sys::general::MADV_DODUMP,
- /// `MADV_WIPEONFORK` (since Linux 4.14)
- LinuxWipeOnFork = linux_raw_sys::general::MADV_WIPEONFORK,
- /// `MADV_KEEPONFORK` (since Linux 4.14)
- LinuxKeepOnFork = linux_raw_sys::general::MADV_KEEPONFORK,
- /// `MADV_COLD` (since Linux 5.4)
- LinuxCold = linux_raw_sys::general::MADV_COLD,
- /// `MADV_PAGEOUT` (since Linux 5.4)
- LinuxPageOut = linux_raw_sys::general::MADV_PAGEOUT,
- /// `MADV_POPULATE_READ` (since Linux 5.14)
- LinuxPopulateRead = linux_raw_sys::general::MADV_POPULATE_READ,
- /// `MADV_POPULATE_WRITE` (since Linux 5.14)
- LinuxPopulateWrite = linux_raw_sys::general::MADV_POPULATE_WRITE,
- /// `MADV_DONTNEED_LOCKED` (since Linux 5.18)
- LinuxDontneedLocked = linux_raw_sys::general::MADV_DONTNEED_LOCKED,
-}
-
-#[allow(non_upper_case_globals)]
-impl Advice {
- /// `POSIX_MADV_DONTNEED`
- ///
- /// On Linux, this is mapped to `POSIX_MADV_NORMAL` because Linux's
- /// `MADV_DONTNEED` differs from `POSIX_MADV_DONTNEED`. See `LinuxDontNeed`
- /// for the Linux behavior.
- pub const DontNeed: Self = Self::Normal;
-}
-
-bitflags! {
- /// `O_*` flags for use with [`userfaultfd`].
- ///
- /// [`userfaultfd`]: crate::mm::userfaultfd
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct UserfaultfdFlags: c::c_uint {
- /// `O_CLOEXEC`
- const CLOEXEC = linux_raw_sys::general::O_CLOEXEC;
- /// `O_NONBLOCK`
- const NONBLOCK = linux_raw_sys::general::O_NONBLOCK;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}
-
-bitflags! {
- /// `MCL_*` flags for use with [`mlockall`].
- ///
- /// [`mlockall`]: crate::mm::mlockall
- #[repr(transparent)]
- #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
- pub struct MlockAllFlags: u32 {
- /// Used together with `MCL_CURRENT`, `MCL_FUTURE`, or both. Mark all
- /// current (with `MCL_CURRENT`) or future (with `MCL_FUTURE`) mappings
- /// to lock pages when they are faulted in. When used with
- /// `MCL_CURRENT`, all present pages are locked, but `mlockall` will
- /// not fault in non-present pages. When used with `MCL_FUTURE`, all
- /// future mappings will be marked to lock pages when they are faulted
- /// in, but they will not be populated by the lock when the mapping is
- /// created. `MCL_ONFAULT` must be used with either `MCL_CURRENT` or
- /// `MCL_FUTURE` or both.
- const ONFAULT = linux_raw_sys::general::MCL_ONFAULT;
- /// Lock all pages which will become mapped into the address space of
- /// the process in the future. These could be, for instance, new pages
- /// required by a growing heap and stack as well as new memory-mapped
- /// files or shared memory regions.
- const FUTURE = linux_raw_sys::general::MCL_FUTURE;
- /// Lock all pages which are currently mapped into the address space of
- /// the process.
- const CURRENT = linux_raw_sys::general::MCL_CURRENT;
-
- /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
- const _ = !0;
- }
-}