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| author | Tom Sepez <tsepez@chromium.org> | 2018-09-17 23:52:37 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-09-17 23:52:37 +0000 |
| commit | 638b004e829f0ca84172120af4a0bca436460281 (patch) | |
| tree | dacd59378eee3e3ec371676471ad1276616eff84 /core | |
| parent | 0127cdaeff86335e9a2954706bdf0edee79e7975 (diff) | |
| download | pdfium-638b004e829f0ca84172120af4a0bca436460281.tar.xz | |
Make fxcrt::Retainable non-copyable.
Because copying ref-counts from one object to another is a
bad idea and sure to leak.
Change-Id: I5f2c0891d08c893eb1ac8fb8a5908d975295ae2e
Reviewed-on: https://pdfium-review.googlesource.com/42670
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'core')
| -rw-r--r-- | core/fxcrt/retain_ptr.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/core/fxcrt/retain_ptr.h b/core/fxcrt/retain_ptr.h index e14b1ef5dc..02faff611d 100644 --- a/core/fxcrt/retain_ptr.h +++ b/core/fxcrt/retain_ptr.h @@ -86,6 +86,8 @@ class RetainPtr { // Trivial implementation - internal ref count with virtual destructor. class Retainable { public: + Retainable() = default; + bool HasOneRef() const { return m_nRefCount == 1; } protected: @@ -98,6 +100,9 @@ class Retainable { template <typename U> friend class RetainPtr; + Retainable(const Retainable& that) = delete; + Retainable& operator=(const Retainable& that) = delete; + void Retain() { ++m_nRefCount; } void Release() { ASSERT(m_nRefCount > 0); |