-- 20405fc394419d434d3ea09b2e62e4edcb282421 by Christian Blichmann <cblichmann@google.com>: Include `status` subdirectory in main `CMakeLists.txt` PiperOrigin-RevId: 297125966 -- 101087af9689612bdda679ee0869e5cde4472244 by Matt Kulukundis <kfm@google.com>: Fix typo PiperOrigin-RevId: 296991360 -- 55ff5bc6970d46214c0459d3a7a23973c7dc69b9 by Andy Getzendanner <durandal@google.com>: Extract logging's ErrnoSaver to absl::base_internal and use it in a couple other places. PiperOrigin-RevId: 296969168 -- b7cd7550297d53766576f751436617200c65831b by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 296951474 -- 8c04c73fc53f9a09c3e2400812b931157f35fe07 by Andy Soffer <asoffer@google.com>: Auto-generate list of files in the DLL, and add new build targets to the DLL. PiperOrigin-RevId: 296932061 -- 2f77829e196094f1addefd8ac2ac9e398c5b6100 by Andy Soffer <asoffer@google.com>: Fix bug introduced by DLL where we couldn't build shared libraries on non-windows platforms. Fixes #623 PiperOrigin-RevId: 296919347 -- b768163dbbff0c561b9dff0218a699e5e4fd33f3 by Abseil Team <absl-team@google.com>: typo: microprosessor PiperOrigin-RevId: 296904933 -- b185da0dac44c91855373f0723df9242cbfb3db3 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296509711 GitOrigin-RevId: 20405fc394419d434d3ea09b2e62e4edcb282421 Change-Id: I55c8eba6f353ceb337455ae144ab743ea21edbefpull/629/head
Abseil Team
5 years ago
committed by
CJ Johnson
parent
b69c7d880c
commit
0d5ce2797e
20 changed files with 248 additions and 128 deletions
@ -0,0 +1,43 @@ |
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// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ABSL_BASE_INTERNAL_ERRNO_SAVER_H_ |
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#define ABSL_BASE_INTERNAL_ERRNO_SAVER_H_ |
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#include <cerrno> |
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#include "absl/base/config.h" |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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namespace base_internal { |
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// `ErrnoSaver` captures the value of `errno` upon construction and restores it
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// upon deletion. It is used in low-level code and must be super fast. Do not
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// add instrumentation, even in debug modes.
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class ErrnoSaver { |
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public: |
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ErrnoSaver() : saved_errno_(errno) {} |
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~ErrnoSaver() { errno = saved_errno_; } |
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int operator()() const { return saved_errno_; } |
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private: |
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const int saved_errno_; |
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}; |
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} // namespace base_internal
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ABSL_NAMESPACE_END |
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} // namespace absl
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#endif // ABSL_BASE_INTERNAL_ERRNO_SAVER_H_
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// Copyright 2018 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/base/internal/errno_saver.h" |
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#include <cerrno> |
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#include "gmock/gmock.h" |
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#include "gtest/gtest.h" |
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namespace { |
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using ::testing::Eq; |
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struct ErrnoPrinter { |
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int no; |
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}; |
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std::ostream &operator<<(std::ostream &os, ErrnoPrinter ep) { |
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return os << strerror(ep.no) << " [" << ep.no << "]"; |
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} |
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bool operator==(ErrnoPrinter one, ErrnoPrinter two) { return one.no == two.no; } |
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TEST(ErrnoSaverTest, Works) { |
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errno = EDOM; |
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{ |
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absl::base_internal::ErrnoSaver errno_saver; |
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EXPECT_THAT(ErrnoPrinter{errno}, Eq(ErrnoPrinter{EDOM})); |
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errno = ERANGE; |
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EXPECT_THAT(ErrnoPrinter{errno}, Eq(ErrnoPrinter{ERANGE})); |
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EXPECT_THAT(ErrnoPrinter{errno_saver()}, Eq(ErrnoPrinter{EDOM})); |
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} |
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EXPECT_THAT(ErrnoPrinter{errno}, Eq(ErrnoPrinter{EDOM})); |
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} |
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} // namespace
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@ -1,30 +0,0 @@ |
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// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <iostream> |
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#include <random> |
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#include "absl/random/random.h" |
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// This program is used in integration tests.
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int main() { |
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std::seed_seq seed_seq{1234}; |
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absl::BitGen rng(seed_seq); |
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constexpr size_t kSequenceLength = 8; |
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for (size_t i = 0; i < kSequenceLength; i++) { |
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std::cout << rng() << "\n"; |
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} |
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return 0; |
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} |
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@ -1,30 +0,0 @@ |
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// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <iostream> |
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#include <random> |
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#include "absl/random/random.h" |
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// This program is used in integration tests.
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int main() { |
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std::seed_seq seed_seq{}; |
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absl::BitGen rng(seed_seq); |
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constexpr size_t kSequenceLength = 8; |
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for (size_t i = 0; i < kSequenceLength; i++) { |
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std::cout << rng() << "\n"; |
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} |
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return 0; |
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} |
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