46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
//! Runtime environment settings
|
|
|
|
use from_str::FromStr;
|
|
use option::{Some, None};
|
|
use os;
|
|
|
|
// Note that these are all accessed without any synchronization.
|
|
// They are expected to be initialized once then left alone.
|
|
|
|
static mut MIN_STACK: uint = 2000000;
|
|
static mut DEBUG_BORROW: bool = false;
|
|
|
|
pub fn init() {
|
|
unsafe {
|
|
match os::getenv("RUST_MIN_STACK") {
|
|
Some(s) => match FromStr::from_str(s) {
|
|
Some(i) => MIN_STACK = i,
|
|
None => ()
|
|
},
|
|
None => ()
|
|
}
|
|
match os::getenv("RUST_DEBUG_BORROW") {
|
|
Some(_) => DEBUG_BORROW = true,
|
|
None => ()
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn min_stack() -> uint {
|
|
unsafe { MIN_STACK }
|
|
}
|
|
|
|
pub fn debug_borrow() -> bool {
|
|
unsafe { DEBUG_BORROW }
|
|
}
|