| #![allow(missing_docs, nonstandard_style)] |
| |
| use crate::io::ErrorKind; |
| |
| #[cfg(any(rustdoc, target_os = "linux"))] pub use crate::os::linux as platform; |
| |
| #[cfg(all(not(rustdoc), target_os = "android"))] pub use crate::os::android as platform; |
| #[cfg(all(not(rustdoc), target_os = "bitrig"))] pub use crate::os::bitrig as platform; |
| #[cfg(all(not(rustdoc), target_os = "dragonfly"))] pub use crate::os::dragonfly as platform; |
| #[cfg(all(not(rustdoc), target_os = "freebsd"))] pub use crate::os::freebsd as platform; |
| #[cfg(all(not(rustdoc), target_os = "haiku"))] pub use crate::os::haiku as platform; |
| #[cfg(all(not(rustdoc), target_os = "ios"))] pub use crate::os::ios as platform; |
| #[cfg(all(not(rustdoc), target_os = "macos"))] pub use crate::os::macos as platform; |
| #[cfg(all(not(rustdoc), target_os = "netbsd"))] pub use crate::os::netbsd as platform; |
| #[cfg(all(not(rustdoc), target_os = "openbsd"))] pub use crate::os::openbsd as platform; |
| #[cfg(all(not(rustdoc), target_os = "solaris"))] pub use crate::os::solaris as platform; |
| #[cfg(all(not(rustdoc), target_os = "emscripten"))] pub use crate::os::emscripten as platform; |
| #[cfg(all(not(rustdoc), target_os = "fuchsia"))] pub use crate::os::fuchsia as platform; |
| #[cfg(all(not(rustdoc), target_os = "l4re"))] pub use crate::os::linux as platform; |
| #[cfg(all(not(rustdoc), target_os = "hermit"))] pub use crate::os::hermit as platform; |
| |
| pub use self::rand::hashmap_random_keys; |
| pub use libc::strlen; |
| |
| #[macro_use] |
| pub mod weak; |
| |
| pub mod alloc; |
| pub mod args; |
| pub mod android; |
| #[cfg(feature = "backtrace")] |
| pub mod backtrace; |
| pub mod cmath; |
| pub mod condvar; |
| pub mod env; |
| pub mod ext; |
| pub mod fast_thread_local; |
| pub mod fd; |
| pub mod fs; |
| pub mod memchr; |
| pub mod io; |
| pub mod mutex; |
| #[cfg(not(target_os = "l4re"))] |
| pub mod net; |
| #[cfg(target_os = "l4re")] |
| mod l4re; |
| #[cfg(target_os = "l4re")] |
| pub use self::l4re::net; |
| pub mod os; |
| pub mod path; |
| pub mod pipe; |
| pub mod process; |
| pub mod rand; |
| pub mod rwlock; |
| pub mod stack_overflow; |
| pub mod thread; |
| pub mod thread_local; |
| pub mod time; |
| pub mod stdio; |
| |
| pub use crate::sys_common::os_str_bytes as os_str; |
| |
| #[cfg(not(test))] |
| pub fn init() { |
| // By default, some platforms will send a *signal* when an EPIPE error |
| // would otherwise be delivered. This runtime doesn't install a SIGPIPE |
| // handler, causing it to kill the program, which isn't exactly what we |
| // want! |
| // |
| // Hence, we set SIGPIPE to ignore when the program starts up in order |
| // to prevent this problem. |
| unsafe { |
| reset_sigpipe(); |
| } |
| |
| #[cfg(not(any(target_os = "emscripten", target_os = "fuchsia")))] |
| unsafe fn reset_sigpipe() { |
| assert!(signal(libc::SIGPIPE, libc::SIG_IGN) != libc::SIG_ERR); |
| } |
| #[cfg(any(target_os = "emscripten", target_os = "fuchsia"))] |
| unsafe fn reset_sigpipe() {} |
| } |
| |
| #[cfg(target_os = "android")] |
| pub use crate::sys::android::signal; |
| #[cfg(not(target_os = "android"))] |
| pub use libc::signal; |
| |
| pub fn decode_error_kind(errno: i32) -> ErrorKind { |
| match errno as libc::c_int { |
| libc::ECONNREFUSED => ErrorKind::ConnectionRefused, |
| libc::ECONNRESET => ErrorKind::ConnectionReset, |
| libc::EPERM | libc::EACCES => ErrorKind::PermissionDenied, |
| libc::EPIPE => ErrorKind::BrokenPipe, |
| libc::ENOTCONN => ErrorKind::NotConnected, |
| libc::ECONNABORTED => ErrorKind::ConnectionAborted, |
| libc::EADDRNOTAVAIL => ErrorKind::AddrNotAvailable, |
| libc::EADDRINUSE => ErrorKind::AddrInUse, |
| libc::ENOENT => ErrorKind::NotFound, |
| libc::EINTR => ErrorKind::Interrupted, |
| libc::EINVAL => ErrorKind::InvalidInput, |
| libc::ETIMEDOUT => ErrorKind::TimedOut, |
| libc::EEXIST => ErrorKind::AlreadyExists, |
| |
| // 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 => |
| ErrorKind::WouldBlock, |
| |
| _ => ErrorKind::Other, |
| } |
| } |
| |
| #[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, |
| } |
| } |
| } |
| |
| // On Unix-like platforms, libc::abort will unregister signal handlers |
| // including the SIGABRT handler, preventing the abort from being blocked, and |
| // fclose streams, with the side effect of flushing them so libc bufferred |
| // output will be printed. Additionally the shell will generally print a more |
| // understandable error message like "Abort trap" rather than "Illegal |
| // instruction" that intrinsics::abort would cause, as intrinsics::abort is |
| // implemented as an illegal instruction. |
| pub unsafe fn abort_internal() -> ! { |
| libc::abort() |
| } |