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Make use of unstable alloc_jemalloc crate optional

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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
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20
components/profile/mem.rs
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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
}