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Simplify jemalloc setup

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Using the new `override_allocator_on_supported_platforms` feature in
`tikv-jemalloc-sys v0.6.1` we can avoid the manual statics.
This commit is contained in:
Mads Marquart 2025-11-11 20:16:15 +01:00
parent 39107ffff6
commit a72893f708
1 changed files with 3 additions and 33 deletions
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36
src/driver.rs
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@ -13,10 +13,10 @@ extern crate rustc_interface;
extern crate rustc_session;
extern crate rustc_span;
// See docs in https://github.com/rust-lang/rust/blob/HEAD/compiler/rustc/src/main.rs
// about jemalloc.
/// See docs in https://github.com/rust-lang/rust/blob/HEAD/compiler/rustc/src/main.rs
/// and https://github.com/rust-lang/rust/pull/146627 for why we need this `use` statement.
#[cfg(feature = "jemalloc")]
extern crate tikv_jemalloc_sys as jemalloc_sys;
use tikv_jemalloc_sys as _;
use clippy_utils::sym;
use declare_clippy_lint::LintListBuilder;
@ -189,36 +189,6 @@ const BUG_REPORT_URL: &str = "https://github.com/rust-lang/rust-clippy/issues/ne
#[expect(clippy::too_many_lines)]
pub fn main() {
// See docs in https://github.com/rust-lang/rust/blob/HEAD/compiler/rustc/src/main.rs
// about jemalloc.
#[cfg(feature = "jemalloc")]
{
use std::os::raw::{c_int, c_void};
#[used]
static _F1: unsafe extern "C" fn(usize, usize) -> *mut c_void = jemalloc_sys::calloc;
#[used]
static _F2: unsafe extern "C" fn(*mut *mut c_void, usize, usize) -> c_int = jemalloc_sys::posix_memalign;
#[used]
static _F3: unsafe extern "C" fn(usize, usize) -> *mut c_void = jemalloc_sys::aligned_alloc;
#[used]
static _F4: unsafe extern "C" fn(usize) -> *mut c_void = jemalloc_sys::malloc;
#[used]
static _F5: unsafe extern "C" fn(*mut c_void, usize) -> *mut c_void = jemalloc_sys::realloc;
#[used]
static _F6: unsafe extern "C" fn(*mut c_void) = jemalloc_sys::free;
#[cfg(target_os = "macos")]
{
unsafe extern "C" {
fn _rjem_je_zone_register();
}
#[used]
static _F7: unsafe extern "C" fn() = _rjem_je_zone_register;
}
}
let early_dcx = EarlyDiagCtxt::new(ErrorOutputType::default());
rustc_driver::init_rustc_env_logger(&early_dcx);