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| author | Ivan Maidanski <ivmai@mail.ru> | 2017-12-01 20:32:34 +0300 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2017-12-11 10:23:03 +0300 |
| commit | 231065a2f58afa5f20ab92436ae75cd30d44bc6a (patch) | |
| tree | 00d51e1e328a43c46f7404aee070cbaff613a81a /src | |
| parent | 00bdd889702fe6dea13b835c7f633bc0d36f88bf (diff) | |
| download | libatomic_ops-231065a2f58afa5f20ab92436ae75cd30d44bc6a.tar.gz | |
Annotate AO_malloc with 'alloc_size' and 'malloc' attributes
* src/atomic_ops_malloc.h [!AO_ATTR_MALLOC] (AO_ATTR_MALLOC): New macro.
* src/atomic_ops_malloc.h [!AO_ATTR_ALLOC_SIZE] (AO_ATTR_ALLOC_SIZE):
Likewise.
* src/atomic_ops_malloc.h (AO_malloc): Add AO_ATTR_MALLOC,
AO_ATTR_ALLOC_SIZE attributes.
Diffstat (limited to 'src')
| -rw-r--r-- | src/atomic_ops_malloc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/atomic_ops_malloc.h b/src/atomic_ops_malloc.h index e324d5b..3ffe173 100644 --- a/src/atomic_ops_malloc.h +++ b/src/atomic_ops_malloc.h @@ -34,8 +34,37 @@ # define AO_MALLOC_IS_LOCK_FREE #endif +#ifndef AO_ATTR_MALLOC +# if AO_GNUC_PREREQ(3, 1) +# define AO_ATTR_MALLOC __attribute__((__malloc__)) +# elif defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(__EDG__) +# define AO_ATTR_MALLOC \ + __declspec(allocator) __declspec(noalias) __declspec(restrict) +# elif defined(_MSC_VER) && _MSC_VER >= 1400 +# define AO_ATTR_MALLOC __declspec(noalias) __declspec(restrict) +# else +# define AO_ATTR_MALLOC /* empty */ +# endif +#endif + +#ifndef AO_ATTR_ALLOC_SIZE +# ifdef __clang__ +# if __has_attribute(__alloc_size__) +# define AO_ATTR_ALLOC_SIZE(argnum) \ + __attribute__((__alloc_size__(argnum))) +# else +# define AO_ATTR_ALLOC_SIZE(argnum) /* empty */ +# endif +# elif AO_GNUC_PREREQ(4, 3) && !defined(__ICC) +# define AO_ATTR_ALLOC_SIZE(argnum) __attribute__((__alloc_size__(argnum))) +# else +# define AO_ATTR_ALLOC_SIZE(argnum) /* empty */ +# endif +#endif + void AO_free(void *); +AO_ATTR_MALLOC AO_ATTR_ALLOC_SIZE(1) void * AO_malloc(size_t); /* Allow use of mmap to grow the heap. No-op on some platforms. */ |