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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
commit | 9918693037dce8aa4bb6f08741b6812923486c18 (patch) | |
tree | 21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /library/std/src/sys/teeos/mod.rs | |
parent | Releasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff) | |
download | rustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip |
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/sys/teeos/mod.rs')
-rw-r--r-- | library/std/src/sys/teeos/mod.rs | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/library/std/src/sys/teeos/mod.rs b/library/std/src/sys/teeos/mod.rs new file mode 100644 index 000000000..ed8c54b2c --- /dev/null +++ b/library/std/src/sys/teeos/mod.rs @@ -0,0 +1,167 @@ +//! System bindings for the Teeos platform +//! +//! This module contains the facade (aka platform-specific) implementations of +//! OS level functionality for Teeos. +#![allow(unsafe_op_in_unsafe_fn)] +#![allow(unused_variables)] +#![allow(dead_code)] + +pub use self::rand::hashmap_random_keys; + +pub mod alloc; +#[path = "../unsupported/args.rs"] +pub mod args; +#[path = "../unix/cmath.rs"] +pub mod cmath; +#[path = "../unsupported/env.rs"] +pub mod env; +pub mod locks; +//pub mod fd; +#[path = "../unsupported/fs.rs"] +pub mod fs; +#[path = "../unsupported/io.rs"] +pub mod io; +#[path = "../unix/memchr.rs"] +pub mod memchr; +pub mod net; +#[path = "../unsupported/once.rs"] +pub mod once; +pub mod os; +#[path = "../unix/os_str.rs"] +pub mod os_str; +#[path = "../unix/path.rs"] +pub mod path; +#[path = "../unsupported/pipe.rs"] +pub mod pipe; +#[path = "../unsupported/process.rs"] +pub mod process; +mod rand; +pub mod stdio; +pub mod thread; +pub mod thread_local_dtor; +#[path = "../unix/thread_local_key.rs"] +pub mod thread_local_key; +#[path = "../unsupported/thread_parking.rs"] +pub mod thread_parking; +#[allow(non_upper_case_globals)] +#[path = "../unix/time.rs"] +pub mod time; + +use crate::io::ErrorKind; + +pub fn abort_internal() -> ! { + unsafe { libc::abort() } +} + +// Trusted Applications are loaded as dynamic libraries on Teeos, +// so this should never be called. +pub fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {} + +// SAFETY: must be called only once during runtime cleanup. +// this is not guaranteed to run, for example when the program aborts. +pub unsafe fn cleanup() { + unimplemented!() + // We do NOT have stack overflow handler, because TEE OS will kill TA when it happens. + // So cleanup is commented + // stack_overflow::cleanup(); +} + +#[inline] +pub(crate) fn is_interrupted(errno: i32) -> bool { + errno == libc::EINTR +} + +// Note: code below is 1:1 copied from unix/mod.rs +pub fn decode_error_kind(errno: i32) -> ErrorKind { + use ErrorKind::*; + match errno as libc::c_int { + libc::E2BIG => ArgumentListTooLong, + libc::EADDRINUSE => AddrInUse, + libc::EADDRNOTAVAIL => AddrNotAvailable, + libc::EBUSY => ResourceBusy, + libc::ECONNABORTED => ConnectionAborted, + libc::ECONNREFUSED => ConnectionRefused, + libc::ECONNRESET => ConnectionReset, + libc::EDEADLK => Deadlock, + libc::EDQUOT => FilesystemQuotaExceeded, + libc::EEXIST => AlreadyExists, + libc::EFBIG => FileTooLarge, + libc::EHOSTUNREACH => HostUnreachable, + libc::EINTR => Interrupted, + libc::EINVAL => InvalidInput, + libc::EISDIR => IsADirectory, + libc::ELOOP => FilesystemLoop, + libc::ENOENT => NotFound, + libc::ENOMEM => OutOfMemory, + libc::ENOSPC => StorageFull, + libc::ENOSYS => Unsupported, + libc::EMLINK => TooManyLinks, + libc::ENAMETOOLONG => InvalidFilename, + libc::ENETDOWN => NetworkDown, + libc::ENETUNREACH => NetworkUnreachable, + libc::ENOTCONN => NotConnected, + libc::ENOTDIR => NotADirectory, + libc::ENOTEMPTY => DirectoryNotEmpty, + libc::EPIPE => BrokenPipe, + libc::EROFS => ReadOnlyFilesystem, + libc::ESPIPE => NotSeekable, + libc::ESTALE => StaleNetworkFileHandle, + libc::ETIMEDOUT => TimedOut, + libc::ETXTBSY => ExecutableFileBusy, + libc::EXDEV => CrossesDevices, + + libc::EACCES | libc::EPERM => PermissionDenied, + + // These two constants can have the same value on some systems, + // but different values on others, so we can't use a match + // clause + x if x == libc::EAGAIN || x == libc::EWOULDBLOCK => WouldBlock, + + _ => Uncategorized, + } +} + +#[doc(hidden)] +pub trait IsMinusOne { + fn is_minus_one(&self) -> bool; +} + +macro_rules! impl_is_minus_one { + ($($t:ident)*) => ($(impl IsMinusOne for $t { + fn is_minus_one(&self) -> bool { + *self == -1 + } + })*) +} + +impl_is_minus_one! { i8 i16 i32 i64 isize } + +pub fn cvt<T: IsMinusOne>(t: T) -> crate::io::Result<T> { + if t.is_minus_one() { Err(crate::io::Error::last_os_error()) } else { Ok(t) } +} + +pub fn cvt_r<T, F>(mut f: F) -> crate::io::Result<T> +where + T: IsMinusOne, + F: FnMut() -> T, +{ + loop { + match cvt(f()) { + Err(ref e) if e.kind() == ErrorKind::Interrupted => {} + other => return other, + } + } +} + +pub fn cvt_nz(error: libc::c_int) -> crate::io::Result<()> { + if error == 0 { Ok(()) } else { Err(crate::io::Error::from_raw_os_error(error)) } +} + +use crate::io as std_io; +pub fn unsupported<T>() -> std_io::Result<T> { + Err(unsupported_err()) +} + +pub fn unsupported_err() -> std_io::Error { + std_io::Error::new(std_io::ErrorKind::Unsupported, "operation not supported on this platform") +} |