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* Map the absl::is_trivially_* functions to their std implGravatar Abseil Team2022-08-05
| | | | | | | There's no point redefining these functions if they are supported by the compiler and the version of libstdc++. Also, some of the builtins used by the absl implementation of these functions (e.g. __has_trivial_destructor) have been deprecated in Clang 15. PiperOrigin-RevId: 465554125 Change-Id: I8674c3a5270ce3c654cdf58ae7dbd9d2bda8faa5
* Add more SimpleAtod / SimpleAtof test coverageGravatar Abseil Team2022-08-04
| | | | | PiperOrigin-RevId: 465451170 Change-Id: I5fd161b1ef156d60d7f9a6ecf493bcf802d581e8
* debugging: handle alternate signal stacks better on RISCVGravatar Saleem Abdulrasool2022-08-04
| | | | | | | | | | | | | In the case that we are unwinding with context, if the retreived frame pointer matches the signal context, assume that the value is valid and do not perform confidence checks. In any other case, continue to perform some validation to avoid returning an incorrect frame pointer. Given that the VDSO path is currently untested, remove the code to simplify the logic in the frame walking. PiperOrigin-RevId: 465360612 Change-Id: Iac656012182a12814bafecf20225ba68b90b4db1
* Revert change "Fix "unsafe narrowing" warnings in absl, 4/n.".Gravatar Thomas Köppe2022-08-04
| | | | | | | The change breaks existing code by changing the return type of absl::bit_width. PiperOrigin-RevId: 465295951 Change-Id: Id4ce7c2ac3699ce22aa2b4851a949f9e0104a3d7
* Fix "unsafe narrowing" warnings in absl, 3/n.Gravatar Abseil Team2022-08-04
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .cc files in dirs n-t, except string.) Bug: chromium:1292951 PiperOrigin-RevId: 465287204 Change-Id: I0fe98ff78bf3c08d86992019eb626755f8b6803e
* Fix "unsafe narrowing" warnings in absl, 4/n.Gravatar Abseil Team2022-08-04
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .cc files in strings/, except /internal/.) Bug: chromium:1292951 PiperOrigin-RevId: 465285043 Change-Id: I37e9d1b4c4e9aa655b720da1467927af2aba995e
* Fix "unsafe narrowing" warnings in absl, 2/n.Gravatar Abseil Team2022-08-01
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .cc files in dirs a-h.) Bug: chromium:1292951 PiperOrigin-RevId: 464541951 Change-Id: If23b63ccea8e9b730159ff1c7288e9300a40b6bd
* debugging: honour `STRICT_UNWINDING` in RISCV pathGravatar Saleem Abdulrasool2022-07-29
| | | | | | | | | | | | | The changes in d6f96eda14aca77748a439f05a567a46ce87e462 enabled handling cases where the stack may be non-contiguous or not fully symbolicated (e.g. in cases of alternate signal stacks). However, it did not properly honour the requests from the caller to perform a strict unwinding where such frames are terminated upon the discontinuity. This repairs that condition. Hoist the alignment check since that is safe to perform early. PiperOrigin-RevId: 464160529 Change-Id: Ic65645928ec60c2a3b4844f3abd4fed1b991edab
* Fix "unsafe narrowing" warnings in absl, 1/n.Gravatar Abseil Team2022-07-28
| | | | | | | | | | | | | | | Addresses failures with the following, in some files: -Wshorten-64-to-32 -Wimplicit-int-conversion -Wsign-compare -Wsign-conversion -Wtautological-unsigned-zero-compare (This specific CL focuses on .h and win32 .inc files.) Bug: chromium:1292951 PiperOrigin-RevId: 463835431 Change-Id: If8e5f7f651d5cd96035e23e4623bdb08a7fedabe
* Add ABSL_IS_TRIVIALLY_RELOCATABLE and ABSL_ATTRIBUTE_TRIVIAL_ABI macros for ↵Gravatar Evan Brown2022-07-27
| | | | | | | use with clang's __is_trivially_relocatable and [[clang::trivial_abi]]. PiperOrigin-RevId: 463668740 Change-Id: I2d2d2f53d8184a7e4f7c848c2a5f5140c2481d72
* Merge pull request #1223 from ElijahPepe:fix/implement-snprintf-safelyGravatar Copybara-Service2022-07-27
|\ | | | | | | | | PiperOrigin-RevId: 463581990 Change-Id: I47359d4d2d2fcd2365b5ff9a5c3b61b5751e4ed2
* | Fix frame pointer alignment check.Gravatar Abseil Team2022-07-26
| | | | | | | | | | | | | | The frame pointer sanity check in NextStackFrame() was more restrictive than it is necessary. The frame pointer is used to load the saved link-register and the address for the next stack frame. So it only needs to be 8-byte aligned. The aarch64 ABI does not specify an alignment requirement for the frame point. PiperOrigin-RevId: 463368519 Change-Id: I473e05181603288f14734fe29013900c7505e201
* | Fixed sign-conversion warning in code.Gravatar Abseil Team2022-07-25
| | | | | | | | | | PiperOrigin-RevId: 463214218 Change-Id: I54a37fd9560b480f9eaf0454670eacf875015fe8
* | Import of CCTZ from GitHub.Gravatar Abseil Team2022-07-25
| | | | | | | | | | PiperOrigin-RevId: 463153060 Change-Id: I6d24915c52bfe6507864df30aad99ba4fea2ea68
* | Add missing include for std::unique_ptrGravatar Abseil Team2022-07-22
| | | | | | | | | | PiperOrigin-RevId: 462681925 Change-Id: Ic5610cb4124b7f60a00817ca2f1d52674b27c168
* | Do not re-close files on EINTRGravatar David Majnemer2022-07-22
| | | | | | | | | | | | | | | | | | POSIX is unclear what state a file descriptor is in after a signal is delivered in the middle of close. On Linux, the file is closed even if it returns -1 with errno=EINTR. As such, do not use errno at all when closing files. PiperOrigin-RevId: 462638735 Change-Id: Ie73da1f3c83b1099bef146e1ea32e9a4818597cf
| * fix: properly create the b integerGravatar Elijah Conners2022-07-21
| | | | | | | | Signed-off-by: Elijah Conners <business@elijahpepe.com>
* | Renamespace absl::raw_logging_internal to absl::raw_log_internal to match ↵Gravatar Andy Getzendanner2022-07-20
| | | | | | | | | | | | | | (upcoming) non-raw logging namespace. PiperOrigin-RevId: 462213222 Change-Id: I3b9371097b368d55cc86b6106d6dec24ce122762
| * fix(mutex): safely call snprintfGravatar Elijah Conners2022-07-19
|/ | | | | | | | | | | In the PostSynchEvent() function, the pos integer uses an implementation of snprintf that is fundamentally unsafe: since the return value of snprintf is the number of characters that would have been written to the buffer, if an operation reaches the end of the buffer with more than one character discarded, the return value will be greater than the buffer size, requiring a check of the buffer's current size. Signed-off-by: Elijah Conners <business@elijahpepe.com>
* Check for negative return values from ReadFromOffsetGravatar David Majnemer2022-07-18
| | | | | | | | | In some places, we check if the amount we read is a multiple of some amount we are interested in. However, ReadFromOffset returns -1 when it errors. Certain record sizes can cause ReadFromOffset to cause us to think that we succeeded when we did not. It also results in confusing messages in logs. PiperOrigin-RevId: 461798762 Change-Id: I8c9c7f2cea4d1789e95e50833d5405239a47f02e
* Use HTTPS RFC URLs, which work regardless of the browser's locale.Gravatar Abseil Team2022-07-18
| | | | | PiperOrigin-RevId: 461737981 Change-Id: Iefb1d703725f0a258b5ee315c55277b261b75418
* Avoid signedness change when casting off_tGravatar Benjamin Barenblat2022-07-18
| | | | | | | | | | | Some ABSL_RAW_LOG statements print off_t values by casting them to uintmax_t. However, POSIX says off_t is signed [1], so intmax_t is more appropriate. Replace casts and format specifiers as needed. [1] https://pubs.opengroup.org/onlinepubs/009696899/basedefs/sys/types.h.html#:~:text=off_t%20shall,%20types%2e PiperOrigin-RevId: 461684406 Change-Id: I09ec1a3ba49cd688670618797943a84bc48dba3e
* Internal Cleanup: removing unused internal function declaration.Gravatar Martijn Vels2022-07-18
| | | | | PiperOrigin-RevId: 461616203 Change-Id: I4cf2e0738451a0471bb8341d9af003d271331fab
* Make Span complain if constructed with a parameter that won't outlive it, ↵Gravatar Abseil Team2022-07-18
| | | | | | | except if that parameter is also a span or appears to be a view type. PiperOrigin-RevId: 461612357 Change-Id: Ibba36f44465176db47dd21e1866134549143fa64
* any_invocable_test: Re-enable the two conversion tests that used to fail ↵Gravatar Dino Radakovic2022-07-15
| | | | | | | under MSVC PiperOrigin-RevId: 461238101 Change-Id: Id3edac104ecd9edd9daf8012894a62692bd9569f
* Add GetCustomAppendBuffer method to absl::CordGravatar Martijn Vels2022-07-15
| | | | | | | | | The Cord::GetCustomAppendBuffer() method provides the same functionality as Cord::GetAppendBuffer(), except that callers can specify a custom block size/limit if the method returns a newly allocated buffer. In other words: Cord::GetAppendBuffer() defaults to CordBuffer::CreateWithDefaultLimit(), Cord::GetCustomAppendBuffer() defaults to CordBuffer::CreateWithCustomLimit(). PiperOrigin-RevId: 461231989 Change-Id: I5c03f31139d9b068feee1bea76d59e1c5e30ef07
* debugging: add hooks for checking stack rangesGravatar Saleem Abdulrasool2022-07-14
| | | | | | | Add a hook to permit checking whether an address is in bounds for the stack. PiperOrigin-RevId: 460997074 Change-Id: Ib3b4d0cf656e614aa083457abb079c40ef8db0ff
* Minor clang-tidy cleanupsGravatar Abseil Team2022-07-14
| | | | | | | | | using decl 'Pointee' is unused missing #include <utility> for 'std::move' missing #include <memory> for 'std::unique_ptr' PiperOrigin-RevId: 460980847 Change-Id: I5ebfca39d6b93ef396b32d1b91a5d8748d43e018
* Support [[gnu::abi_tag("xyz")]] demangling.Gravatar Abseil Team2022-07-13
| | | | | PiperOrigin-RevId: 460752575 Change-Id: I9629504b5c63dbfe367cd55e287a782cd8fa546c
* Fix -Warray-parameter warningGravatar Abseil Team2022-07-13
| | | | | | | | | | Clang recently added this warning which flags inconsistencies between array parameters in function declarations. See https://crbug.com/1343303 PiperOrigin-RevId: 460725261 Change-Id: I57b1e99f13698c947e948c6024e3f6f4642ea189
* Merge pull request #1217 from anpol:macos-sigaltstackGravatar Copybara-Service2022-07-13
|\ | | | | | | | | PiperOrigin-RevId: 460713135 Change-Id: If7ea94f409edc1e4024d7eaa4ae025b0b258fc02
| * Disable sigaltstack() on macOS to make backtrace() work.Gravatar Andrei Polushin2022-07-13
|/ | | | | | | | | | | There are many reports that sigaltstack() on Apple platforms stops backtrace() from tracing an original stack, e.g. * https://github.com/llvm/llvm-project/commit/d39ead41056b00d10b6223543562cd304307ac9b * https://reviews.llvm.org/D28265 If we disable an alternate stack for signal handler, we won't be able to catch stack overflow errors, but backrace() will work again.
* Undo documentation change on erase.Gravatar Abseil Team2022-07-12
| | | | | PiperOrigin-RevId: 460555564 Change-Id: Icaf08bd252be12717f922e72a70a201bc1957154
* Improve documentation on erase.Gravatar Abseil Team2022-07-12
| | | | | PiperOrigin-RevId: 460509198 Change-Id: I6d85443cc3f568230f3a3d46b63358129654ddb9
* string_view: conditional constexpr is no longer needed for C++14Gravatar Derek Mauro2022-07-12
| | | | | PiperOrigin-RevId: 460407142 Change-Id: I9501d2e79cf8c20c5261ab0169bd4bbc3b02980c
* Make exponential_distribution_test a bigger test (timeout small -> moderate).Gravatar Abseil Team2022-07-07
| | | | | | | | | | | This test indicates it has a 90% chance of timing out at its current 60 second limit. Stats over 1000 runs: max = 102.5s, min = 40.4s, avg = 71.1s, dev = 11.2s Note that if you run this test locally from a workstation without flags, it'll take maybe 3 to 5 seconds. However, the test is run with config of android_arm, which seems to drastically change the execution time. PiperOrigin-RevId: 459503103 Change-Id: I7b7aaa2db7880370f47d1a83d295a3234f738a18
* Move Abseil to C++14 minimumGravatar Derek Mauro2022-07-06
| | | | | | | | | | Adds policy checks the raise the minimum C++ version to C++14 and the minimum GCC version to GCC 5 Updates the docs to indicate the C++14 minimum. PiperOrigin-RevId: 459401288 Change-Id: I18878f0e13001c57e97e26ad7c9a9c9c12c39265
* Revert commit f4988f5bd4176345aad2a525e24d5fd11b3c97eaGravatar Saleem Abdulrasool2022-07-06
| | | | | | | | This seems to have caused some regressions by causing a flaky failure in some cases. Revert the change to enable investigation. PiperOrigin-RevId: 459331687 Change-Id: Iaa4e4bfcb3013a75a2cd72768d980ac5e450f70c
* debugging: account for differences in alternate signal stacksGravatar Saleem Abdulrasool2022-06-30
| | | | | | | | | | | | | The alternate signal stack may be sufficiently beyond the esimated frame size (100k). If we run into the case that the frame is not in the correct direction assume that the frames may be non-contiguous due to an alternate signal stack layout. In such a case, if we find that there is an alternate stack configured, ignore the discontiuity (assuming that it is a removable point-wise discontinuity) and continue the stack unwinding. This permits us to capture stack traces in more cases. PiperOrigin-RevId: 458327775 Change-Id: Ia8b461847401492f72a23ba26601c72e0109402c
* Import of CCTZ from GitHub.Gravatar Abseil Team2022-06-29
| | | | | PiperOrigin-RevId: 457997580 Change-Id: I39d007d4f93c02e07ad660df13d9f63e786182f8
* Run flaky test in fewer configurationsGravatar Abseil Team2022-06-25
| | | | | PiperOrigin-RevId: 457234764 Change-Id: I7d543bc8e4e01d7739f1a3a2cf602ed3e1ea84d3
* AnyInvocable: Move credits to the top of the fileGravatar Dino Radakovic2022-06-24
| | | | | PiperOrigin-RevId: 457014105 Change-Id: I4ecd4185385a213838c6f3241b65536b1f833705
* Extend visibility of :examine_stack to an upcoming Abseil Log.Gravatar Gennadiy Rozental2022-06-24
| | | | | PiperOrigin-RevId: 457005885 Change-Id: I9045ca94a3695303274d7c448b25e32fe02f3383
* Merge contiguous mappings from the same file.Gravatar Abseil Team2022-06-22
| | | | | | | This allows symbolization to work if different parts of a binary's text are mapped differently, e.g. if they're mlock()ed or mapped onto huge pages. PiperOrigin-RevId: 456600880 Change-Id: I069264f94cf834df9201968275a00828f5eb077e
* Use ABSL_INTERNAL_HAS_SSE2 instead of __SSE2__Gravatar Abseil Team2022-06-22
| | | | | | | | | | | | | | This ensures that emmintrin.h is included with clang-cl. Otherwise, errors like this occur: .../absl/container/internal/raw_hash_set.h(536,8): error: unknown type name '__m128i' inline __m128i _mm_cmpgt_epi8_fixed(__m128i a, __m128i b) { This aligns the include ifdef guards and the guards that use the provided APIs. The includes are also reordered, so they appear after the config header which provides the internal macro values. PiperOrigin-RevId: 456530271 Change-Id: I86dfd0022fd06fe7aa132138ec4d1bd14a86ba84
* PR #1200: absl/debugging/CMakeLists.txt: link with libexecinfo if neededGravatar Fabrice Fontaine2022-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1200 `backtrace` and `execinfo.h` can be provided by libexecinfo on uclibc and musl resulting in the following build failure with any user of abseil-cpp (such as collectd): ``` /home/buildroot/autobuild/instance-0/output-1/host/lib/gcc/sparc-buildroot-linux-uclibc/10.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: /home/buildroot/autobuild/instance-0/output-1/host/bin/../sparc-buildroot-linux-uclibc/sysroot/usr/lib/libabsl_stacktrace.so: undefined reference to `backtrace' ``` [...] ``` libgrpc++ . . . . . . no (libgrpc++ not found) ``` [...] ``` configure: error: "Some plugins are missing dependencies - see the summary above for details" ``` Fixes: - http://autobuild.buildroot.org/results/6a0484412f020e763ce3ad5bda48f09c78645bff Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Merge dac52cd20efb672278dc64bcd74920172a599ac0 into 93ad4284ac12077b7bac07a4743df1c564e7c957 Merging this change closes #1200 COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1200 from ffontaine:master dac52cd20efb672278dc64bcd74920172a599ac0 PiperOrigin-RevId: 456323163 Change-Id: I3d2206761524d36e2b227c571e2e513f6840ff75
* Update GoogleTest version used by AbseilGravatar Derek Mauro2022-06-16
| | | | | | | | | | | | As part of this update, GoogleTest is now using the Abseil flags implementation, and the flags usage_test needs to be modified to pass. If building with bazel and --define=absl=1 to force GoogleTest to use Abseil, a WORKSPACE dependency on the abseil branch of the RE2 project is now required. PiperOrigin-RevId: 455512245 Change-Id: I2025df0c86006fac97a80713524c9d0aae8b358e
* Release absl::AnyInvocableGravatar Dino Radakovic2022-06-16
| | | | | | | | AnyInvocable is a C++11 compatible equivalent of the C++23 [std::move_only_function](https://en.cppreference.com/w/cpp/utility/functional/move_only_function/move_only_function). Although this implementation matches an intermediate draft revision of the standard (http://wg21.link/p0288r5), it is neither a standard tracking type nor a seamless backfill type. PiperOrigin-RevId: 455494585 Change-Id: If01565f8eecc78eee38fb794ef142b32b31abc7c
* PR #1197: absl/base/internal/direct_mmap.h: fix musl build on mipsGravatar Fabrice Fontaine2022-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1197 Fix the following musl build failure on mips: ``` In file included from /nvmedata/autobuild/instance-15/output-1/build/libabseil-cpp-20211102.0/absl/base/internal/low_level_alloc.cc:26: /nvmedata/autobuild/instance-15/output-1/build/libabseil-cpp-20211102.0/absl/base/internal/direct_mmap.h:49:10: fatal error: sgidefs.h: No such file or directory 49 | #include <sgidefs.h> | ^~~~~~~~~~~ ``` Fixes: - http://autobuild.buildroot.org/results/3fa027e602bacb22316fb5d9b233baa0b0f0e845 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Merge c9b5b5c5471213a871f7d6d1d2fc8f6899effbac into a184bab83ffcffc2aaac49a3900361158ab3890f Merging this change closes #1197 COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1197 from ffontaine:master c9b5b5c5471213a871f7d6d1d2fc8f6899effbac PiperOrigin-RevId: 455467767 Change-Id: I1905f7d70e914288bc1524a52adce3476a779fd8
* absl/base/internal/invoke: Ignore bogus warnings on GCC >= 11Gravatar Dino Radakovic2022-06-16
| | | | | PiperOrigin-RevId: 455463553 Change-Id: Ifa6c238556339dd4e36715ac040ca048f2f84a9a
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