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* Abseil LTS branch, Aug 2023, Patch 1 (#1534)20230802.1Gravatar Derek Mauro2023-09-18
| | | | | | | | | | | | | | | | | | | | * Add StdcppWaiter to the end of the list of waiter implementations Since ABSL_INTERNAL_HAVE_STDCPP_WAITER is defined on all systems it is effectively a fallback. I left the condition there in case we have to disable it on some platform in the future. PiperOrigin-RevId: 555629066 Change-Id: I76ca78c7f36d1d02dc4950a44c66903a2aaf2a52 * Use native methods to implement absl::base_internal::GetPID() on FreeBSD, NetBSD, and OpenBSD https://man.freebsd.org/cgi/man.cgi?query=pthread_getthreadid_np https://man.netbsd.org/_lwp_self.2 https://man.openbsd.org/getthrid.2 * Abseil LTS branch, Aug 2023, Patch 1 Bump ABSL_LTS_RELEASE_PATCH_LEVEL to 1
* Cherry pick CCTZ fix for MinGW (#1508)20230802.rc220230802.0Gravatar Derek Mauro2023-08-07
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* Apply LTS transformations for 20230802 LTS branch (#1505)20230802.rc1Gravatar Derek Mauro2023-08-02
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* Rollback of "Speed up StrAppend by up to 4x."Gravatar Abseil Team2023-08-02
| | | | | PiperOrigin-RevId: 553158292 Change-Id: I28350321550accd72da2f9f6f5992af311fe4b00
* Implement AbslStringify for crc32c_t in order to support absl::StrFormat ↵Gravatar Abseil Team2023-08-01
| | | | | | | natively PiperOrigin-RevId: 552940359 Change-Id: I925764757404c0c9f2a13ed729190d51f4ac46cf
* Changes absl::crc32c_t insertion operator (<<) to return value as 0-padded ↵Gravatar Abseil Team2023-08-01
| | | | | | | hex instead of dec PiperOrigin-RevId: 552927211 Change-Id: I0375d60a9df4cdfc694fe8d3b3d790f80fc614a1
* PR #1500: Define MAP_ANONYMOUS if not definedGravatar Ryan Schmidt2023-08-01
| | | | | | | | | | | | Included are additional automated edits by clang-format on import. Merge d74896699faacc4a1667603e52e72cbdc8006cf6 into 22091f4c0d6626b3ef40446ce3d4ccab19425ca3 Merging this change closes #1500 COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1500 from ryandesign:MAP_ANONYMOUS d74896699faacc4a1667603e52e72cbdc8006cf6 PiperOrigin-RevId: 552922776 Change-Id: I96a0395cb5e7156d7c7a889491c5d0b4cf755819
* raw_hash_set_test: Expect tsan to catch heap-use-after-free on iterators ↵Gravatar Dino Radakovic2023-08-01
| | | | | | | invalidated by rehashing PiperOrigin-RevId: 552901078 Change-Id: I137d01fe87b1bbf591b400305f6f7919982fc1c9
* Import of CCTZ from GitHub.Gravatar Abseil Team2023-08-01
| | | | | PiperOrigin-RevId: 552848883 Change-Id: Ibcf4b59e2ab671d8dd8fddcbc9d74d4c8cd3f0ff
* InlinedVector: Disable CFI checking on the const GetInlinedData() pathGravatar Derek Mauro2023-08-01
| | | | | | | | | | as well. Some empty cases can trigger this. See also: https://clang.llvm.org/docs/ControlFlowIntegrity.html#bad-cast-checking. PiperOrigin-RevId: 552846765 Change-Id: I6adb3c0c73efec841ffe8fdac4342f641c68ddbe
* Speed up StrAppend by up to 4x.Gravatar Abseil Team2023-08-01
| | | | | PiperOrigin-RevId: 552802740 Change-Id: I662da1b03bfffb7939b44ea3850566d3c209c6cc
* Remove deprecated function.Gravatar Abseil Team2023-07-31
| | | | | PiperOrigin-RevId: 552638642 Change-Id: I6b43289ca10ee9aecd6b848e78471863b22b01d1
* PR #1495: CMake: Link CoreFoundation with -frameworkGravatar Daniel Schürmann2023-07-31
| | | | | | | | | | | | | | | | | | | Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1495 This fixes https://github.com/abseil/abseil-cpp/issues/1494 With CMake 3.24 we can also use `$<LINK_LIBRARY:FRAMEWORK,CoreFoundation>` but abseil is still at CMake 3.10 The change has been tested here: https://github.com/daschuer/vcpkg/actions/runs/5670741925 Merge f3ff6bc01ff45970d2b803ca51421483b423b72b into c9c0fd5185067208e1cc4227d16122571762af39 Merging this change closes #1495 COPYBARA_INTEGRATE_REVIEW=https://github.com/abseil/abseil-cpp/pull/1495 from daschuer:framework-link-fix f3ff6bc01ff45970d2b803ca51421483b423b72b PiperOrigin-RevId: 552564485 Change-Id: I57b580e5795c54865576110e56220128d8b603b8
* raw_hash_set_test: Match lowercase "invalid iterator" in death testsGravatar Dino Radakovic2023-07-31
| | | | | PiperOrigin-RevId: 552520562 Change-Id: I5d311871afbc2906894c3b754a503a6abace8ceb
* Refactor raw_hash_set deallocation to pass CommonFields instead of passing ↵Gravatar Evan Brown2023-07-27
| | | | | | | | the results of a bunch of accessors of CommonFields. Motivation: this makes it easier to refactor CommonFields to be smaller. PiperOrigin-RevId: 551616928 Change-Id: I3710443fb156537d716944584bea02f945559e99
* InlinedVector: Disable CFI checking during the reinterpret_cast on theGravatar Derek Mauro2023-07-27
| | | | | | | | | | heap allocation path. The cast occurs before the memory is initialized. See also: https://clang.llvm.org/docs/ControlFlowIntegrity.html#bad-cast-checking. PiperOrigin-RevId: 551542366 Change-Id: Id5834892c36a5cb8ec095bcfee3e9e31f20c48ae
* Undefine internal `ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR` macro after usageGravatar Abseil Team2023-07-26
| | | | | PiperOrigin-RevId: 551287955 Change-Id: Ic77831cec71f6ffe0a4e091baabe932b245269ea
* Change the API constraints of erase(const_iterator, const_iterator) so that ↵Gravatar Evan Brown2023-07-26
| | | | | | | calling erase(begin(), end()) resets reserved growth. PiperOrigin-RevId: 551248712 Change-Id: I34755c63e3ee40da4ba7047e0d24eec567d28173
* InlinedVector: Disable CFI checking on GetInlinedData()Gravatar Derek Mauro2023-07-26
| | | | | | | | | | | | GetInlinedDataUninitialized() is removed. Just use GetInlinedData() in all cases instead. GetInlinedData() is sometimes used to return uninitialized memory. In these cases it is immediately constructed. This is a followup to 511ad64. See also: https://clang.llvm.org/docs/ControlFlowIntegrity.html#bad-cast-checking. PiperOrigin-RevId: 551205766 Change-Id: I4ddb45e29a723ccf6fc7dc203e762f4ad559fc83
* InlinedVector: Fix control-flow-inregrity warning when using a classGravatar Derek Mauro2023-07-25
| | | | | | | | | | | | | | | | with a vtable The code is getting the pointer, then constructing it on the next line. Using reinterpret_cast on this pointer is legal according to https://clang.llvm.org/docs/ControlFlowIntegrity.html#bad-cast-checking, but it flags it anyway. The docs say it might be necessary for `allocate()`-type APIs, and recommends adding them to an ignorelist. Also note that std::addressof is removed. It is unnecessary since inlined_data is a char-array. PiperOrigin-RevId: 550972834 Change-Id: Ib224cec330bb6bcb770296de6c91881f404ef531
* Import of CCTZ from GitHub.Gravatar Abseil Team2023-07-25
| | | | | PiperOrigin-RevId: 550964088 Change-Id: I54e4bff1cf72442c34e1668dbe8af9337eb0aa46
* `absl/BUILD.bazel`: Make license comment consistent with other bazel build filesGravatar Richard Levasseur2023-07-21
| | | | | PiperOrigin-RevId: 549965642 Change-Id: I708dd56a36d60cbc00564fa789e1cb1ef37f950a
* Add a special case for erase(begin(), end()) to reset the control bytes. The ↵Gravatar Evan Brown2023-07-20
| | | | | | | | motivation is to avoid potentially expanding the table unnecessarily later. Note: I prefer doing this as a special case in erase(iterator, iterator) rather than special casing erase(iterator) for size==1 because IIUC that changes the time complexity of erase(iterator) from O(1) to O(N) and in pathological cases, it could change loops from O(N) to O(N^2). PiperOrigin-RevId: 549661855 Change-Id: I8603324260f51a98809db32f840ff09f25cf2481
* Rename CommonFields::slots_ptr to slot_array to match the name of the ↵Gravatar Evan Brown2023-07-19
| | | | | | | corresponding function in raw_hash_set. PiperOrigin-RevId: 549379884 Change-Id: I305745dbea2c15821b2092441c9b4546fc7aabbe
* Add tests for the "%#04x" patternGravatar Phoebe Liang2023-07-18
| | | | | | | Verifies that values other than 0 are prepended with "0x", while 0 is printed as "0000". PiperOrigin-RevId: 549108651 Change-Id: Ib0f87d42066c46f3a5d4b05ca5c9d7ac17be9b66
* Move growth_left to the backing array.Gravatar Evan Brown2023-07-17
| | | | | PiperOrigin-RevId: 548794485 Change-Id: Ie82d5f8ad752518ef05b38144ca1e32b21c9def8
* Add Support for mmap on Qualcomm Hexagon DSP targets.Gravatar Abseil Team2023-07-17
| | | | | PiperOrigin-RevId: 548709037 Change-Id: I6eb03553299265660aa0abc180ae0f197a416ba4
* Test that CHECK respects ABSL_MIN_LOG_LEVELGravatar Abseil Team2023-07-14
| | | | | | | | Ensure that the CHECK expression and message are stripped when FATAL is below ABSL_MIN_LOG_LEVEL. PiperOrigin-RevId: 548157637 Change-Id: I4308ff7ff75aabebdd2dcefa2771cd7e77112817
* Use new emscripten_errn to avoid copying strings.Gravatar Abseil Team2023-07-13
| | | | | PiperOrigin-RevId: 547895328 Change-Id: If5da952604415fa6ed2402052f80add6c4b7dfb3
* Adding sw prefetchers to absl::hash.Gravatar Abseil Team2023-07-13
| | | | | PiperOrigin-RevId: 547850162 Change-Id: I43208c7fa1eaa2a7acfad5891b80c150ee58c65f
* Add a smaller library for string_view so that users canGravatar Derek Mauro2023-07-11
| | | | | | | | | | | depend on string_view without depending on all of //absl/strings:strings New code that uses string_view.h should depend on //absl/strings:string_view (Bazel) or absl::string_view (CMake) instead. PiperOrigin-RevId: 547283268 Change-Id: I6006b19605ce377d12c462129dda14251d16e1c1
* Add a comment to absl/flags/parse.cc indicating that the flags defined there ↵Gravatar Mark Barolak2023-07-11
| | | | | | | are not intended to be read or set from C++ code. PiperOrigin-RevId: 547264846 Change-Id: Idd0958f308ec74f907c22cce965fac2e06692e2c
* Cleanup `//absl/strings/internal/memutil.h`Gravatar Derek Mauro2023-07-11
| | | | | | | | | | | | | `memmatch()` is only used in `string_view.cc`, so move it there. The moving of `memmatch()` to `string_view.cc` decouples `string_view` from `memutil`, which will allow us to move `string_view` into its own target in a followup. The only other function that is used is `memcasecmp()`, so delete all other functions. PiperOrigin-RevId: 547238386 Change-Id: Id6fad47dd24191c8e8f26dd923fffa1007c8db4a
* Use an allowlist visibility model for //absl/synchronizationGravatar Derek Mauro2023-07-10
| | | | | PiperOrigin-RevId: 546914671 Change-Id: I6f0419103efdd8125e4027e7d5eec124ca604156
* Fix a typo of absl::Nonnull in the example comment.Gravatar Abseil Team2023-07-10
| | | | | PiperOrigin-RevId: 546897533 Change-Id: I3ad12f252c49e4672a64d00d0107111fdc5b6ac8
* Rename `absl::NonNull` to `absl::Nonnull`.Gravatar Abseil Team2023-07-06
| | | | | | | The current spelling is inconsistent with standard casing rules: "nonnull" is a single word, not two. PiperOrigin-RevId: 546034114 Change-Id: I04e5a204f4a74ebaa76031dd0b0874ca9cfa902c
* symbolize_test: Add an indirection for getting the PC from function ptr.Gravatar Tom Rybka2023-07-06
| | | | | | | | | | | | | | | | | | | | | | Don't assume that function ptr == PC. Adds a redirection mechanism, GetPCFromFnPtr, and enables more test cases for Emscripten/Wasm. On many (most?) platforms, the address of a function ptr is the same as its Program Counter (PC) for the purpose of most things, including symbolization. In Emscripten WebAssembly, the function ptr is just an index into a table of functions. However, the name section maps function names to their literal offsets into a Wasm binary. The WasmOffsetConverter is actually capable of both indirections, so we can effectively go from function ptr to offset into the binary (which is typically the "PC" for other Stack dumping things in Wasm, including `emscripten_pc_get_function`). More info: https://www.w3.org/TR/wasm-js-api-2/#exported-function-exotic-objects Also fix Emscripten symbolize handling for `nullptr` now that we have tests for that. PiperOrigin-RevId: 546006678 Change-Id: I0d4015ca9035b004158451b36c933cad009184ba
* Correct std::optional/variant/any auto-detection for Apple platforms.Gravatar James Y Knight2023-07-06
| | | | | | | | | | | | | | | | | In Xcode 14.3, Apple modified the OS versions which support these three types to exclude iOS 11 and watchOS 4. Update abseil accordingly. Those versions of the OS did _not_ actually support the types, and any binaries which used these types, built with prior Xcode versions, would've crashed on startup on an actual iOS 11 or watchOS 4 device due to missing symbols. As of Xcode 14.3, using them is now, correctly, a build failure. This change also drops the conditionals for pre-Xcode 12.5, as that is no longer a supported version. PiperOrigin-RevId: 546005629 Change-Id: Ib0430307ac2ada4910f07c54cfd6e99db8ca1905
* Clarify that lazy_emplace returns an iterator to the new element when lookup ↵Gravatar Abseil Team2023-07-05
| | | | | | | fails. PiperOrigin-RevId: 545683736 Change-Id: Ic0abec5037e160898e2f24de1b1489caff7d06fd
* absl: extend Condition::kTrue commentGravatar Abseil Team2023-07-01
| | | | | | | | | Explain when kTrue may be useful. Note that Mutex::Await/LockWhen with kTrue condition and a timeout do not return when the timeout is reached. PiperOrigin-RevId: 544846222 Change-Id: I7a14ae5a9314b2e500919f0c7b3a907d4d97c127
* roll forward: Make data members of CommonFields be private so that it's ↵Gravatar Evan Brown2023-06-30
| | | | | | | easier to change how we store this information internally. PiperOrigin-RevId: 544732832 Change-Id: I0c9a30f18edc71b3c7fffe94e2002ff6c52050f8
* rollback: Make data members of CommonFields be private so that it's easier ↵Gravatar Evan Brown2023-06-30
| | | | | | | to change how we store this information internally. PiperOrigin-RevId: 544718317 Change-Id: I0ff3e4df7e810be9f7c5db4328995e172eb704a5
* Rolls back use of emscripten_errn as some implementations may not be compatible.Gravatar Abseil Team2023-06-30
| | | | | PiperOrigin-RevId: 544677169 Change-Id: I98874c5c8d1c9a057958b63e2b3c4fdd5daccd39
* Make data members of CommonFields be private so that it's easier to change ↵Gravatar Evan Brown2023-06-30
| | | | | | | how we store this information internally. PiperOrigin-RevId: 544667586 Change-Id: I9b1943ca71ea1c1f8699832422cd7bc095ac8b2d
* Use new emscripten_errn to avoid copying strings.Gravatar Abseil Team2023-06-29
| | | | | PiperOrigin-RevId: 544461113 Change-Id: Iafbd6daf2d03ae18a49ea449315ee7cd6a0e615e
* Import of CCTZ from GitHub.Gravatar Abseil Team2023-06-29
| | | | | PiperOrigin-RevId: 544445872 Change-Id: Ic7d42dca3461babdf8a6dff4c73a1596e795ffb2
* Fix symbolization on PowerPC ELF v1Gravatar Benjamin Barenblat2023-06-29
| | | | | | | | | | The big-endian PowerPC ELF ABI (ppc64 in Debian) relies on function descriptors mapped in a non-executable segment. Make sure that segment is scanned during symbolization. Also correct bounds computation for that segment. PiperOrigin-RevId: 544440302 Change-Id: Ic05532aa35ae9efa127028318640ee7cdeeecc5f
* Support Qualcomm Hexagon DSP targets.Gravatar Abseil Team2023-06-29
| | | | | PiperOrigin-RevId: 544438364 Change-Id: I22d461f2d0aa8638a0e640eebecdc7e5e2b49ea3
* Fix typoGravatar Abseil Team2023-06-29
| | | | | PiperOrigin-RevId: 544401753 Change-Id: Ie5bb48bb46c8c1bf41ef902242cefefd739e7c37
* Introduce a kTotalMorePrecise accounting mode for ↵Gravatar Abseil Team2023-06-29
| | | | | | | | | Cord::EstimatedMemoryUsage(). This mode avoids double-counting blocks that a Cord references more than once; otherwise it is similar to the existing kTotal mode. There's no change to the existing kTotal or kFairShare accounting modes. PiperOrigin-RevId: 544378591 Change-Id: I7b4ae55cd93d631194e59a9cd0ff07f47611219e
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