diff options
author | Chuck Musser <cmusser@sonic.net> | 2020-09-16 11:45:20 -0700 |
---|---|---|
committer | Chuck Musser <cmusser@sonic.net> | 2020-09-21 10:22:07 -0700 |
commit | f5ee22db489f78b9c003ef60b7ad1b837503bc4a (patch) | |
tree | f383633c3c46ea81e93618b9a4ef87e1216fd4ab /src | |
parent | 2c2440521acb5942a5f937b8d3126577cf91106a (diff) | |
download | nix-f5ee22db489f78b9c003ef60b7ad1b837503bc4a.zip |
DragonFlyBSD: use __errno_location now provided by the libc crate
This obviates the need for the C language shim for this variable,
which this commit removes.
Diffstat (limited to 'src')
-rw-r--r-- | src/errno.rs | 24 | ||||
-rw-r--r-- | src/errno_dragonfly.c | 3 |
2 files changed, 3 insertions, 24 deletions
diff --git a/src/errno.rs b/src/errno.rs index eda097d8..03a7f0e2 100644 --- a/src/errno.rs +++ b/src/errno.rs @@ -1,5 +1,4 @@ use cfg_if::cfg_if; -#[cfg(not(target_os = "dragonfly"))] use libc::{c_int, c_void}; use std::{fmt, io, error}; use crate::{Error, Result}; @@ -13,32 +12,15 @@ cfg_if! { unsafe fn errno_location() -> *mut c_int { libc::__error() } - } else if #[cfg(target_os = "dragonfly")] { - // DragonFly uses a thread-local errno variable, but #[thread_local] is - // feature-gated and not available in stable Rust as of this writing - // (Rust 1.21.0). We have to use a C extension to access it - // (src/errno_dragonfly.c). - // - // Tracking issue for `thread_local` stabilization: - // - // https://github.com/rust-lang/rust/issues/29594 - // - // Once this becomes stable, we can remove build.rs, - // src/errno_dragonfly.c, and use: - // - // extern { #[thread_local] static errno: c_int; } - // - #[link(name="errno_dragonfly", kind="static")] - extern { - pub fn errno_location() -> *mut c_int; - } } else if #[cfg(any(target_os = "android", target_os = "netbsd", target_os = "openbsd"))] { unsafe fn errno_location() -> *mut c_int { libc::__errno() } - } else if #[cfg(any(target_os = "linux", target_os = "redox"))] { + } else if #[cfg(any(target_os = "linux", + target_os = "redox", + target_os = "dragonfly"))] { unsafe fn errno_location() -> *mut c_int { libc::__errno_location() } diff --git a/src/errno_dragonfly.c b/src/errno_dragonfly.c deleted file mode 100644 index 32fb4dab..00000000 --- a/src/errno_dragonfly.c +++ /dev/null @@ -1,3 +0,0 @@ -#include <errno.h> - -int *errno_location() { return &errno; } |