util.rs.html -- source
Description: Source to the Rust file `library/std/src/sys_common/util.rs`.
Keywords: rust, rustlang, rust-lang

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    use crate::fmt;
    use crate::io::prelude::*;
    use crate::sys::stdio::panic_output;
    use crate::thread;

    pub fn dumb_print(args: fmt::Arguments<'_>) {
        if let Some(mut out) = panic_output() {
            let _ = out.write_fmt(args);
        }
    }

    // Other platforms should use the appropriate platform-specific mechanism for
    // aborting the process.  If no platform-specific mechanism is available,
    // crate::intrinsics::abort() may be used instead.  The above implementations cover
    // all targets currently supported by libstd.

    pub fn abort(args: fmt::Arguments<'_>) -> ! {
        dumb_print(format_args!("fatal runtime error: {}\n", args));
        crate::sys::abort_internal();
    }

    #[allow(dead_code)] // stack overflow detection not enabled on all platforms
    pub unsafe fn report_overflow() {
        dumb_print(format_args!(
            "\nthread '{}' has overflowed its stack\n",
            thread::current().name().unwrap_or("<unknown>")
        ));
    }