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libcore: Add sys::set_min_stack

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Adding this back to the library as a stopgap measure to recover some benchmark
performance. See #1527.
This commit is contained in:
Brian Anderson 2012-01-14 19:21:23 -08:00
parent b93ed36555
commit bc77d7bdb0
1 changed files with 17 additions and 0 deletions
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17
src/libcore/sys.rs
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@ -21,6 +21,7 @@ native mod rustrt {
fn unsupervise(); fn unsupervise();
fn shape_log_str<T>(t: *sys::type_desc, data: T) -> str; fn shape_log_str<T>(t: *sys::type_desc, data: T) -> str;
fn rust_set_exit_status(code: int); fn rust_set_exit_status(code: int);
fn set_min_stack(size: uint);
} }
#[abi = "rust-intrinsic"] #[abi = "rust-intrinsic"]
@ -105,6 +106,22 @@ fn set_exit_status(code: int) {
rustrt::rust_set_exit_status(code); rustrt::rust_set_exit_status(code);
} }
// FIXME: #1495 - This shouldn't exist
#[doc(
brief =
"Globally set the minimum size, in bytes, of a stack segment",
desc =
"Rust tasks have segmented stacks that are connected in a linked list \
allowing them to start very small and grow very large. In some \
situations this can result in poor performance. Calling this function \
will set the minimum size of all stack segments allocated in the \
future, for all tasks."
)]
#[deprecated]
fn set_min_stack(size: uint) {
rustrt::set_min_stack(size);
}
// Local Variables: // Local Variables:
// mode: rust; // mode: rust;
// fill-column: 78; // fill-column: 78;