func exitThread(wait *atomic.Uint32) {
	throw("exitThread")
}

//go:nosplit
//go:cgo_unsafe_args
func issetugid() (ret int32) {
	libcCall(unsafe.Pointer(abi.FuncPCABI0(issetugid_trampoline)), unsafe.Pointer(&ret))
	return
}
func issetugid_trampoline()

// Tell the linker that the libc_* functions are to be found
// in a system library, with the libc_ prefix missing.

//go:cgo_import_dynamic libc_errno __errno "libc.so"

	flags, _ := fcntl(fd, _F_GETFL, 0)
	if flags != -1 {
		fcntl(fd, _F_SETFL, flags|_O_NONBLOCK)
	}
}

func issetugid() int32 {
	return libcCall(unsafe.Pointer(abi.FuncPCABI0(issetugid_trampoline)), nil)
}
func issetugid_trampoline()

// mach_vm_region is used to obtain virtual memory mappings for use by the
// profiling system and is only exported to runtime/pprof. It is restricted