30d4124a37
Conflicts: src/libcore/rt/context.rs src/libcore/rt/sched.rs src/libcore/rt/thread.rs src/libcore/rt/uv.rs
50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use vec;
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pub struct StackSegment {
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buf: ~[u8]
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}
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pub impl StackSegment {
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fn new(size: uint) -> StackSegment {
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// Crate a block of uninitialized values
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let mut stack = vec::with_capacity(size);
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unsafe {
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vec::raw::set_len(&mut stack, size);
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}
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StackSegment {
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buf: stack
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}
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}
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/// Point one word beyond the high end of the allocated stack
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fn end(&self) -> *uint {
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unsafe {
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vec::raw::to_ptr(self.buf).offset(self.buf.len()) as *uint
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}
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}
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}
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pub struct StackPool(());
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impl StackPool {
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pub fn new() -> StackPool { StackPool(()) }
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fn take_segment(&self, min_size: uint) -> StackSegment {
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StackSegment::new(min_size)
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}
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fn give_segment(&self, _stack: StackSegment) {
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}
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}
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