diff options
| author |  Abseil Team <absl-team@google.com> | 2017-11-10 06:33:50 -0800 |
|---|---|---|
| committer |  katzdm <katzdm@google.com> | 2017-11-10 13:09:51 -0500 |
| commit | 9e94e488f5006172245b2f977ab207ee140aca43 (patch) | |
| tree | 9d2158789ff957f0efe1fe9189a55bbbce7199d1 /absl/synchronization/internal/waiter.h | |
| parent | 778abb7c279547afe7a4642063712f13a80b8eea (diff) | |
Changes imported from Abseil "staging" branch:
- 28631b3dbc582cb88a637cc4c70886e38a4be0cf Refactoring to support production kernel Futex implementa... by Derek Mauro <dmauro@google.com>
- 411e7bb779c32bbc02b5fa6f516087a02fcb0812 Update comments about leap smearing. by Abseil Team <absl-team@google.com>
GitOrigin-RevId: 28631b3dbc582cb88a637cc4c70886e38a4be0cf
Change-Id: I0506aa2705212cd466460cae60182b0c2c667972
Diffstat (limited to 'absl/synchronization/internal/waiter.h')
| -rw-r--r-- | absl/synchronization/internal/waiter.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/absl/synchronization/internal/waiter.h b/absl/synchronization/internal/waiter.h index 025ace4..23166f4 100644 --- a/absl/synchronization/internal/waiter.h +++ b/absl/synchronization/internal/waiter.h @@ -29,6 +29,7 @@ #endif #include <atomic> +#include <cstdint> #include "absl/base/internal/thread_identity.h" #include "absl/synchronization/internal/kernel_timeout.h" @@ -99,10 +100,10 @@ class Waiter { private: #if ABSL_WAITER_MODE == ABSL_WAITER_MODE_FUTEX - // Futexes are defined by specification to be ints. - // Thus std::atomic<int> must be just an int with lockfree methods. - std::atomic<int> futex_; - static_assert(sizeof(int) == sizeof(futex_), "Wrong size for futex"); + // Futexes are defined by specification to be 32-bits. + // Thus std::atomic<int32_t> must be just an int32_t with lockfree methods. + std::atomic<int32_t> futex_; + static_assert(sizeof(int32_t) == sizeof(futex_), "Wrong size for futex"); #elif ABSL_WAITER_MODE == ABSL_WAITER_MODE_CONDVAR pthread_mutex_t mu_; |