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From 536011d929ecbd1170baf34e09580e567c971f95 Mon Sep 17 00:00:00 2001
From: Shiz <hi@shiz.me>
Date: Sat, 8 Apr 2017 20:36:00 +0200
Subject: [PATCH] Fix jemalloc support for musl
Just like DragonFlyBSD, using the same symbols as the system allocator will
result in a segmentation fault at runtime due to allocator mismatches.
As such, prefix the jemalloc symbols instead.
Upstream-Issue: https://github.com/rust-lang/rust/pull/41168
---
src/liballoc_jemalloc/build.rs | 2 +-
src/liballoc_jemalloc/lib.rs | 10 +++++-----
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/liballoc_jemalloc/build.rs b/src/liballoc_jemalloc/build.rs
index ae040a2..f3a0eeb 100644
--- a/src/liballoc_jemalloc/build.rs
+++ b/src/liballoc_jemalloc/build.rs
@@ -138,7 +138,7 @@ fn main() {
// should be good to go!
cmd.arg("--with-jemalloc-prefix=je_");
cmd.arg("--disable-tls");
- } else if target.contains("dragonfly") {
+ } else if target.contains("dragonfly") || target.contains("musl") {
cmd.arg("--with-jemalloc-prefix=je_");
}
diff --git a/src/liballoc_jemalloc/lib.rs b/src/liballoc_jemalloc/lib.rs
index a7a67ef..83cc1ef 100644
--- a/src/liballoc_jemalloc/lib.rs
+++ b/src/liballoc_jemalloc/lib.rs
@@ -51,23 +51,23 @@ mod imp {
// request it as unprefixing cause segfaults (mismatches in allocators).
extern "C" {
#[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
- target_os = "dragonfly", target_os = "windows"),
+ target_os = "dragonfly", target_os = "windows", target_env = "musl"),
link_name = "je_mallocx")]
fn mallocx(size: size_t, flags: c_int) -> *mut c_void;
#[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
- target_os = "dragonfly", target_os = "windows"),
+ target_os = "dragonfly", target_os = "windows", target_env = "musl"),
link_name = "je_rallocx")]
fn rallocx(ptr: *mut c_void, size: size_t, flags: c_int) -> *mut c_void;
#[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
- target_os = "dragonfly", target_os = "windows"),
+ target_os = "dragonfly", target_os = "windows", target_env = "musl"),
link_name = "je_xallocx")]
fn xallocx(ptr: *mut c_void, size: size_t, extra: size_t, flags: c_int) -> size_t;
#[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
- target_os = "dragonfly", target_os = "windows"),
+ target_os = "dragonfly", target_os = "windows", target_env = "musl"),
link_name = "je_sdallocx")]
fn sdallocx(ptr: *mut c_void, size: size_t, flags: c_int);
#[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
- target_os = "dragonfly", target_os = "windows"),
+ target_os = "dragonfly", target_os = "windows", target_env = "musl"),
link_name = "je_nallocx")]
fn nallocx(size: size_t, flags: c_int) -> size_t;
}
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