mv std libs to library/

1 files changed, 168 insertions, 0 deletions

diff --git a/library/std/src/sys/unix/mod.rs b/library/std/src/sys/unix/mod.rs
new file mode 100644
index 00000000000..eddf00d3979
--- /dev/null
+++ b/library/std/src/sys/unix/mod.rs
@@ -0,0 +1,168 @@
+#![allow(missing_docs, nonstandard_style)]
+
+use crate::io::ErrorKind;
+
+#[cfg(any(doc, target_os = "linux"))]
+pub use crate::os::linux as platform;
+
+#[cfg(all(not(doc), target_os = "android"))]
+pub use crate::os::android as platform;
+#[cfg(all(not(doc), target_os = "dragonfly"))]
+pub use crate::os::dragonfly as platform;
+#[cfg(all(not(doc), target_os = "emscripten"))]
+pub use crate::os::emscripten as platform;
+#[cfg(all(not(doc), target_os = "freebsd"))]
+pub use crate::os::freebsd as platform;
+#[cfg(all(not(doc), target_os = "fuchsia"))]
+pub use crate::os::fuchsia as platform;
+#[cfg(all(not(doc), target_os = "haiku"))]
+pub use crate::os::haiku as platform;
+#[cfg(all(not(doc), target_os = "illumos"))]
+pub use crate::os::illumos as platform;
+#[cfg(all(not(doc), target_os = "ios"))]
+pub use crate::os::ios as platform;
+#[cfg(all(not(doc), target_os = "l4re"))]
+pub use crate::os::linux as platform;
+#[cfg(all(not(doc), target_os = "macos"))]
+pub use crate::os::macos as platform;
+#[cfg(all(not(doc), target_os = "netbsd"))]
+pub use crate::os::netbsd as platform;
+#[cfg(all(not(doc), target_os = "openbsd"))]
+pub use crate::os::openbsd as platform;
+#[cfg(all(not(doc), target_os = "redox"))]
+pub use crate::os::redox as platform;
+#[cfg(all(not(doc), target_os = "solaris"))]
+pub use crate::os::solaris as platform;
+
+pub use self::rand::hashmap_random_keys;
+pub use libc::strlen;
+
+#[macro_use]
+pub mod weak;
+
+pub mod alloc;
+pub mod android;
+pub mod args;
+pub mod cmath;
+pub mod condvar;
+pub mod env;
+pub mod ext;
+pub mod fd;
+pub mod fs;
+pub mod io;
+#[cfg(target_os = "l4re")]
+mod l4re;
+pub mod memchr;
+pub mod mutex;
+#[cfg(not(target_os = "l4re"))]
+pub mod net;
+#[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 stdio;
+pub mod thread;
+pub mod thread_local_dtor;
+pub mod thread_local_key;
+pub mod time;
+
+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 buffered
+// 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 fn abort_internal() -> ! {
+    unsafe { libc::abort() }
+}