diff options
Diffstat (limited to 'absl/base/internal/spinlock.h')
| -rw-r--r-- | absl/base/internal/spinlock.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/absl/base/internal/spinlock.h b/absl/base/internal/spinlock.h index c73b5e09..ac40daff 100644 --- a/absl/base/internal/spinlock.h +++ b/absl/base/internal/spinlock.h @@ -16,13 +16,15 @@ // Most users requiring mutual exclusion should use Mutex. // SpinLock is provided for use in two situations: -// - for use in code that Mutex itself depends on +// - for use by Abseil internal code that Mutex itself depends on // - for async signal safety (see below) // SpinLock is async signal safe. If a spinlock is used within a signal // handler, all code that acquires the lock must ensure that the signal cannot // arrive while they are holding the lock. Typically, this is done by blocking // the signal. +// +// Threads waiting on a SpinLock may be woken in an arbitrary order. #ifndef ABSL_BASE_INTERNAL_SPINLOCK_H_ #define ABSL_BASE_INTERNAL_SPINLOCK_H_ |