Inlinable API function macro. More...
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Macros | |
| #define | AST_INLINE_API(hdr, body) hdr; extern inline hdr body |
Detailed Description
Inlinable API function macro.
Small API functions that are candidates for inlining need to be specially declared and defined, to ensure that the 'right thing' always happens. For example:
- there must always be a non-inlined version of the function available for modules compiled out of the tree to link to
- references to a function that cannot be inlined (for any reason that the compiler deems proper) must devolve into an 'extern' reference, instead of 'static', so that multiple copies of the function body are not built in different modules. However, since this doesn't work for clang, we go with 'static' anyway and hope for the best!
- when DISABLE_INLINE is defined, inlining should be disabled completely, even if the compiler is configured to support it
The AST_INLINE_API macro allows this to happen automatically, when used to define your function. Proper usage is as follows:
- define your function one place, in a header file, using the macro to wrap the function (see strings.h or time.h for examples)
- choose a module to 'host' the function body for non-inline usages, and in that module only, define AST_API_MODULE before including the header file
Definition in file inline_api.h.
Macro Definition Documentation
◆ AST_INLINE_API
| #define AST_INLINE_API | ( | hdr, | |
| body | |||
| ) | hdr; extern inline hdr body |
Definition at line 54 of file inline_api.h.
Referenced by ast_atomic_dec_and_test(), ast_atomic_fetchadd_int(), ast_threadstorage_get(), and ast_tvnow().
