diff options
| author |  Abseil Team <absl-team@google.com> | 2019-08-23 11:38:04 -0700 |
|---|---|---|
| committer |  Xiaoyi Zhang <zhangxy@google.com> | 2019-08-23 14:48:13 -0400 |
| commit | 2d2d7fbc283315b676159716376e739d3d23ed94 (patch) | |
| tree | 6530edfdc7591c4f89d0aa48442cc6d452c47735 /absl/flags/flag.cc | |
| parent | 0302d1e5fa4fcdd1763b7d1bb3212943b1ae911d (diff) | |
Export of internal Abseil changes
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d6748c733a70cd74ad9b76a0c9cd6b3fe2cecacf by Xiaoyi Zhang <zhangxy@google.com>:
Remove empty block, to address alerts reported in
https://github.com/abseil/abseil-cpp/issues/368.
PiperOrigin-RevId: 265099887
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232e2036b5668d6d1296b881f9347756d84541ee by Derek Mauro <dmauro@google.com>:
Make the Linux Bazel CI scripts test with the exception mode explicitly set.
PiperOrigin-RevId: 265092105
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942a40696c2c9b833be03e92d22a6ede7bccb6d4 by Xiaoyi Zhang <zhangxy@google.com>:
Import https://github.com/abseil/abseil-cpp/pull/372.
Suppress the unused variable warning on GCC, i.e. "-Wunused-variable".
PiperOrigin-RevId: 265063925
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7ef90796b52cbdc260afc77cf47206f9356471d0 by Xiaoyi Zhang <zhangxy@google.com>:
Add quotes to `ABSL_COMMON_INCLUDE_DIRS` since it's a list and may contain a
`;`. This addresses https://github.com/abseil/abseil-cpp/issues/373.
PiperOrigin-RevId: 265059077
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43f3ae742e00b83672ad6c5bc5b17fdb8f9fe6fe by Gennadiy Rozental <rogeeff@google.com>:
Internal re-organization
PiperOrigin-RevId: 264913945
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6a2adf9c08ee1d98cc6b2855a676345c6495294a by Andy Soffer <asoffer@google.com>:
Publicly expose type names for uniform interval tags as in, for example, absl::IntervalClosedClosedTag, and add equality comparison operators.
PiperOrigin-RevId: 264861162
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3c90c6e05fd61d56b419cd2d39dab8f17b8711b8 by Abseil Team <absl-team@google.com>:
Add validity check on returned frame pointer.
PiperOrigin-RevId: 264858823
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2db87e0cfa0c6bea7ba81684b834cb8a73b7d748 by Gennadiy Rozental <rogeeff@google.com>:
Add MUST_USE_RESULT attribute to absl::GetFlag to prevent accidental misuse.
PiperOrigin-RevId: 264782762
GitOrigin-RevId: d6748c733a70cd74ad9b76a0c9cd6b3fe2cecacf
Change-Id: I169e9c5358e4f63000c1255e806d26b8afecf5ff
Diffstat (limited to 'absl/flags/flag.cc')
| -rw-r--r-- | absl/flags/flag.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/absl/flags/flag.cc b/absl/flags/flag.cc index f16cc75..a02d069 100644 --- a/absl/flags/flag.cc +++ b/absl/flags/flag.cc @@ -41,4 +41,20 @@ ABSL_FLAGS_INTERNAL_FOR_EACH_LOCK_FREE(ABSL_FLAGS_ATOMIC_GET) #undef ABSL_FLAGS_ATOMIC_GET +// This global nutex protects on-demand construction of flag objects in MSVC +// builds. +#if defined(_MSC_VER) + +namespace flags_internal { + +ABSL_CONST_INIT static absl::Mutex construction_guard(absl::kConstInit); + +void LockGlobalConstructionGuard() { construction_guard.Lock(); } + +void UnlockGlobalConstructionGuard() { construction_guard.Unlock(); } + +} // namespace flags_internal + +#endif + } // namespace absl |