diff options
author | Kostya Kortchinsky <kostyak@google.com> | 2017-01-20 18:32:18 +0000 |
---|---|---|
committer | Kostya Kortchinsky <kostyak@google.com> | 2017-01-20 18:32:18 +0000 |
commit | 3c3e150467551cde5760652ccff0c46a3fdba3c0 (patch) | |
tree | ed18a8fb6851f8b05af68c047d9f5d3edbecb4cd /lib/scudo/scudo_allocator.h | |
parent | 212ca9be08d3d542f8929754e651d42a6138fc41 (diff) |
[scudo] Replacing std::atomic with Sanitizer's atomics
Summary:
In an effort to getting rid of dependencies to external libraries, we are
replacing atomic PackedHeader use of std::atomic with Sanitizer's
atomic_uint64_t, which allows us to avoid -latomic.
Reviewers: kcc, phosek, alekseyshl
Reviewed By: alekseyshl
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D28864
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@292630 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/scudo/scudo_allocator.h')
-rw-r--r-- | lib/scudo/scudo_allocator.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/scudo/scudo_allocator.h b/lib/scudo/scudo_allocator.h index b9fc82dc6..5f5225b36 100644 --- a/lib/scudo/scudo_allocator.h +++ b/lib/scudo/scudo_allocator.h @@ -22,8 +22,6 @@ # error "The Scudo hardened allocator is currently only supported on Linux." #endif -#include <atomic> - namespace __scudo { enum AllocType : u8 { @@ -58,7 +56,7 @@ struct UnpackedHeader { u64 Salt : 8; }; -typedef std::atomic<PackedHeader> AtomicPackedHeader; +typedef atomic_uint64_t AtomicPackedHeader; COMPILER_CHECK(sizeof(UnpackedHeader) == sizeof(PackedHeader)); // Minimum alignment of 8 bytes for 32-bit, 16 for 64-bit |