use types::{CallbackPtr, c_void, Value};
#[cfg(unix)]
use types::RawFd;
extern "C" {
pub fn rb_thread_call_without_gvl(func: CallbackPtr,
args: *const c_void,
unblock_func: CallbackPtr,
unblock_args: *const c_void)
-> *mut c_void;
pub fn rb_thread_call_without_gvl2(func: CallbackPtr,
args: *const c_void,
unblock_func: CallbackPtr,
unblock_args: *const c_void)
-> *mut c_void;
pub fn rb_thread_call_with_gvl(func: CallbackPtr, args: *const c_void) -> *mut c_void;
pub fn rb_thread_create(function: extern "C" fn(*mut c_void) -> Value,
data: *mut c_void)
-> Value;
#[cfg(unix)]
pub fn rb_thread_wait_fd(fd: RawFd);
}