diff options
author | 2018-07-18 15:02:13 -0400 | |
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committer | 2018-07-18 15:02:13 -0400 | |
commit | 44aa275286baf97fc13529aca547a88b180beb08 (patch) | |
tree | 137c9a19feb73a46cf4b62846bd49b029c39254d | |
parent | 42f22a28401c952f1fc5942231c7fdac80811bf5 (diff) | |
parent | 22baa38bf6145e727d08c524846ce7c91d5d42cb (diff) |
Merge pull request #143 from rongjiecomputer/kernel
Remove dependency of windows.h in kernel_timeout.h
-rw-r--r-- | absl/synchronization/internal/kernel_timeout.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/absl/synchronization/internal/kernel_timeout.h b/absl/synchronization/internal/kernel_timeout.h index 0d132d98..92dffb78 100644 --- a/absl/synchronization/internal/kernel_timeout.h +++ b/absl/synchronization/internal/kernel_timeout.h @@ -25,9 +25,6 @@ #ifndef ABSL_SYNCHRONIZATION_INTERNAL_KERNEL_TIMEOUT_H_ #define ABSL_SYNCHRONIZATION_INTERNAL_KERNEL_TIMEOUT_H_ -#ifdef _WIN32 -#include <intsafe.h> -#endif #include <time.h> #include <algorithm> #include <limits> @@ -117,9 +114,14 @@ class KernelTimeout { // Windows. Callers should recognize that the return value is a // relative duration (it should be recomputed by calling this method // in the case of a spurious wakeup). - DWORD InMillisecondsFromNow() const { + // This header file may be included transitively by public header files, + // so we define our own DWORD and INFINITE instead of getting them from + // <intsafe.h> and <WinBase.h>. + typedef unsigned long DWord; + DWord InMillisecondsFromNow() const { + constexpr DWord kInfinite = std::numeric_limits<DWord>::max(); if (!has_timeout()) { - return INFINITE; + return kInfinite; } // The use of absl::Now() to convert from absolute time to // relative time means that absl::Now() cannot use anything that @@ -131,10 +133,10 @@ class KernelTimeout { std::numeric_limits<int64_t>::max() - 999999u; uint64_t ms_from_now = (std::min<uint64_t>(max_nanos, ns_ - now) + 999999u) / 1000000u; - if (ms_from_now > std::numeric_limits<DWORD>::max()) { - return INFINITE; + if (ms_from_now > kInfinite) { + return kInfinite; } - return static_cast<DWORD>(ms_from_now); + return static_cast<DWord>(ms_from_now); } return 0; } |