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|
/*
Module: sys
Misc low level stuff
*/
tag type_desc = {
first_param: **ctypes::c_int,
size: ctypes::size_t,
align: ctypes::size_t
// Remaining fields not listed
};
#[abi = "cdecl"]
native mod rustrt {
// Explicitly re-export native stuff we want to be made
// available outside this crate. Otherwise it's
// visible-in-crate, but not re-exported.
fn last_os_error() -> str;
fn refcount<T>(t: @T) -> uint;
fn do_gc();
fn unsupervise();
}
#[abi = "rust-intrinsic"]
native mod rusti {
fn get_type_desc<T>() -> *type_desc;
}
/*
Function: get_type_desc
Returns a pointer to a type descriptor. Useful for calling certain
function in the Rust runtime or otherwise performing dark magick.
*/
fn get_type_desc<T>() -> *type_desc {
ret rusti::get_type_desc::<T>();
}
/*
Function: last_os_error
Get a string representing the platform-dependent last error
*/
fn last_os_error() -> str {
rustrt::last_os_error()
}
/*
Function: size_of
Returns the size of a type
*/
fn size_of<T>() -> uint unsafe {
ret (*get_type_desc::<T>()).size;
}
/*
Function: align_of
Returns the alignment of a type
*/
fn align_of<T>() -> uint unsafe {
ret (*get_type_desc::<T>()).align;
}
/*
Function: refcount
Returns the refcount of a shared box
*/
fn refcount<T>(t: @T) -> uint {
ret rustrt::refcount::<T>(t);
}
/*
Function: do_gc
Force a garbage collection
*/
fn do_gc() -> () {
ret rustrt::do_gc();
}
// FIXME: There's a wrapper for this in the task module and this really
// just belongs there
fn unsupervise() -> () {
ret rustrt::unsupervise();
}
// Local Variables:
// mode: rust;
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// End:
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