30 lines
1.0 KiB
Rust
30 lines
1.0 KiB
Rust
//@ignore-target-windows: No libc on Windows
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//@compile-flags: -Zmiri-disable-abi-check
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//! Unwinding past the top frame of a stack is Undefined Behavior.
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#![feature(c_unwind)]
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use std::{mem, ptr};
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extern "C-unwind" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void {
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//~^ ERROR: unwinding past the topmost frame of the stack
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panic!()
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}
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fn main() {
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unsafe {
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let mut native: libc::pthread_t = mem::zeroed();
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let attr: libc::pthread_attr_t = mem::zeroed();
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// assert_eq!(libc::pthread_attr_init(&mut attr), 0); FIXME: this function is not yet implemented.
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// Cast to avoid inserting abort-on-unwind.
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let thread_start: extern "C-unwind" fn(*mut libc::c_void) -> *mut libc::c_void =
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thread_start;
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let thread_start: extern "C" fn(*mut libc::c_void) -> *mut libc::c_void =
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mem::transmute(thread_start);
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assert_eq!(libc::pthread_create(&mut native, &attr, thread_start, ptr::null_mut()), 0);
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assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0);
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}
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}
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