diff options
Diffstat (limited to 'absl/base/thread_annotations.h')
| -rw-r--r-- | absl/base/thread_annotations.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/absl/base/thread_annotations.h b/absl/base/thread_annotations.h index 5f51c0c2..6a7112df 100644 --- a/absl/base/thread_annotations.h +++ b/absl/base/thread_annotations.h @@ -34,6 +34,7 @@ #ifndef ABSL_BASE_THREAD_ANNOTATIONS_H_ #define ABSL_BASE_THREAD_ANNOTATIONS_H_ +#include "absl/base/attributes.h" #include "absl/base/config.h" // TODO(mbonadei): Remove after the backward compatibility period. #include "absl/base/internal/thread_annotations.h" // IWYU pragma: export @@ -151,8 +152,12 @@ // Documents a function that returns a mutex without acquiring it. For example, // a public getter method that returns a pointer to a private mutex should // be annotated with ABSL_LOCK_RETURNED. +#if ABSL_HAVE_ATTRIBUTE(lock_returned) #define ABSL_LOCK_RETURNED(x) \ ABSL_INTERNAL_THREAD_ANNOTATION_ATTRIBUTE(lock_returned(x)) +#else +#define ABSL_LOCK_RETURNED(x) +#endif // ABSL_LOCKABLE // |