//@ignore-target-windows: Concurrency on Windows is not supported yet. //@compile-flags: -Zmiri-disable-abi-check //! Unwinding past the top frame of a stack is Undefined Behavior. #![feature(rustc_private, c_unwind)] use std::{mem, ptr}; extern "C-unwind" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void { //~^ ERROR: unwinding past the topmost frame of the stack panic!() } fn main() { unsafe { let mut native: libc::pthread_t = mem::zeroed(); let attr: libc::pthread_attr_t = mem::zeroed(); // assert_eq!(libc::pthread_attr_init(&mut attr), 0); FIXME: this function is not yet implemented. // Cast to avoid inserting abort-on-unwind. let thread_start: extern "C-unwind" fn(*mut libc::c_void) -> *mut libc::c_void = thread_start; let thread_start: extern "C" fn(*mut libc::c_void) -> *mut libc::c_void = mem::transmute(thread_start); assert_eq!(libc::pthread_create(&mut native, &attr, thread_start, ptr::null_mut()), 0); assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0); } }