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Diffstat (limited to 'src/libstd/rt/stack.rs')
| -rw-r--r-- | src/libstd/rt/stack.rs | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/src/libstd/rt/stack.rs b/src/libstd/rt/stack.rs deleted file mode 100644 index 44b60e955d2..00000000000 --- a/src/libstd/rt/stack.rs +++ /dev/null @@ -1,78 +0,0 @@ -// 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. - -use container::Container; -use ptr::RawPtr; -use vec; -use ops::Drop; -use libc::{c_uint, uintptr_t}; - -pub struct StackSegment { - priv buf: ~[u8], - priv valgrind_id: c_uint -} - -impl StackSegment { - pub fn new(size: uint) -> StackSegment { - unsafe { - // Crate a block of uninitialized values - let mut stack = vec::with_capacity(size); - stack.set_len(size); - - let mut stk = StackSegment { - buf: stack, - valgrind_id: 0 - }; - - // XXX: Using the FFI to call a C macro. Slow - stk.valgrind_id = rust_valgrind_stack_register(stk.start(), stk.end()); - return stk; - } - } - - /// Point to the low end of the allocated stack - pub fn start(&self) -> *uint { - self.buf.as_ptr() as *uint - } - - /// Point one word beyond the high end of the allocated stack - pub fn end(&self) -> *uint { - unsafe { - self.buf.as_ptr().offset(self.buf.len() as int) as *uint - } - } -} - -impl Drop for StackSegment { - fn drop(&mut self) { - unsafe { - // XXX: Using the FFI to call a C macro. Slow - rust_valgrind_stack_deregister(self.valgrind_id); - } - } -} - -pub struct StackPool(()); - -impl StackPool { - pub fn new() -> StackPool { StackPool(()) } - - fn take_segment(&self, min_size: uint) -> StackSegment { - StackSegment::new(min_size) - } - - fn give_segment(&self, _stack: StackSegment) { - } -} - -extern { - fn rust_valgrind_stack_register(start: *uintptr_t, end: *uintptr_t) -> c_uint; - fn rust_valgrind_stack_deregister(id: c_uint); -} |
