//! `signal()` is special on Linux and macOS that it's only supported within libstd. //! The implementation is not complete enough to permit user code to call it. //@ignore-target-windows: No libc on Windows #![feature(rustc_private)] extern crate libc; fn main() { unsafe { libc::signal(libc::SIGPIPE, libc::SIG_IGN); //~^ ERROR: unsupported operation: can't call foreign function: signal } }