Make use of unstable alloc_jemalloc crate optional

This commit is contained in:
Simon Sapin 2017-10-12 01:36:34 +02:00
parent d9a311963f
commit d6d772eba0
4 changed files with 18 additions and 11 deletions

View file

@ -9,6 +9,9 @@ publish = false
name = "profile"
path = "lib.rs"
[features]
unstable = []
[dependencies]
profile_traits = {path = "../profile_traits"}
influent = "0.4"

View file

@ -2,16 +2,17 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#![cfg_attr(not(target_os = "windows"), feature(alloc_jemalloc))]
#![cfg_attr(all(feature = "unstable", not(target_os = "windows")), feature(alloc_jemalloc))]
#![deny(unsafe_code)]
#[allow(unused_extern_crates)]
#[cfg(not(target_os = "windows"))]
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
extern crate alloc_jemalloc;
extern crate heartbeats_simple;
extern crate influent;
extern crate ipc_channel;
#[allow(unused_extern_crates)]
#[cfg(not(target_os = "windows"))]
extern crate libc;
#[macro_use]

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@ -353,14 +353,16 @@ impl ReportsForest {
//---------------------------------------------------------------------------
mod system_reporter {
#[cfg(not(target_os = "windows"))]
use libc::{c_char, c_int, c_void, size_t};
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
use libc::{c_char, c_void, size_t};
#[cfg(target_os = "linux")]
use libc::c_int;
use profile_traits::mem::{Report, ReportKind, ReporterRequest};
#[cfg(not(target_os = "windows"))]
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
use std::ffi::CString;
#[cfg(not(target_os = "windows"))]
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
use std::mem::size_of;
#[cfg(not(target_os = "windows"))]
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
use std::ptr::null_mut;
use super::{JEMALLOC_HEAP_ALLOCATED_STR, SYSTEM_HEAP_ALLOCATED_STR};
#[cfg(target_os = "macos")]
@ -457,14 +459,14 @@ mod system_reporter {
None
}
#[cfg(not(target_os = "windows"))]
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
extern {
#[cfg_attr(any(target_os = "macos", target_os = "android"), link_name = "je_mallctl")]
fn mallctl(name: *const c_char, oldp: *mut c_void, oldlenp: *mut size_t,
newp: *mut c_void, newlen: size_t) -> c_int;
newp: *mut c_void, newlen: size_t) -> ::libc::c_int;
}
#[cfg(not(target_os = "windows"))]
#[cfg(all(feature = "unstable", not(target_os = "windows")))]
fn jemalloc_stat(value_name: &str) -> Option<usize> {
// Before we request the measurement of interest, we first send an "epoch"
// request. Without that jemalloc gives cached statistics(!) which can be
@ -500,7 +502,7 @@ mod system_reporter {
Some(value as usize)
}
#[cfg(target_os = "windows")]
#[cfg(any(target_os = "windows", not(feature = "unstable")))]
fn jemalloc_stat(_value_name: &str) -> Option<usize> {
None
}

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@ -26,6 +26,7 @@ unstable = [
"compositing/unstable",
"constellation/unstable",
"gfx/unstable",
"profile/unstable",
]
[dependencies]