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author | bugaevskiy <bugaevskiy@yandex-team.ru> | 2022-02-10 16:46:17 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:17 +0300 |
commit | a6e0145a095c7bb3770d6e07aee301de5c73f96e (patch) | |
tree | 1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /contrib/libs/jemalloc/src/jemalloc_cpp.cpp | |
parent | c7f68570483e493f4ddaf946de7b3a420ee621b0 (diff) | |
download | ydb-a6e0145a095c7bb3770d6e07aee301de5c73f96e.tar.gz |
Restoring authorship annotation for <bugaevskiy@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/jemalloc/src/jemalloc_cpp.cpp')
-rw-r--r-- | contrib/libs/jemalloc/src/jemalloc_cpp.cpp | 282 |
1 files changed, 141 insertions, 141 deletions
diff --git a/contrib/libs/jemalloc/src/jemalloc_cpp.cpp b/contrib/libs/jemalloc/src/jemalloc_cpp.cpp index 7469985729..da0441a7c9 100644 --- a/contrib/libs/jemalloc/src/jemalloc_cpp.cpp +++ b/contrib/libs/jemalloc/src/jemalloc_cpp.cpp @@ -1,141 +1,141 @@ -#include <mutex> -#include <new> - -#define JEMALLOC_CPP_CPP_ -#ifdef __cplusplus -extern "C" { -#endif - -#include "jemalloc/internal/jemalloc_preamble.h" -#include "jemalloc/internal/jemalloc_internal_includes.h" - -#ifdef __cplusplus -} -#endif - -// All operators in this file are exported. - -// Possibly alias hidden versions of malloc and sdallocx to avoid an extra plt -// thunk? -// -// extern __typeof (sdallocx) sdallocx_int -// __attribute ((alias ("sdallocx"), -// visibility ("hidden"))); -// -// ... but it needs to work with jemalloc namespaces. - -void *operator new(std::size_t size); -void *operator new[](std::size_t size); -void *operator new(std::size_t size, const std::nothrow_t &) noexcept; -void *operator new[](std::size_t size, const std::nothrow_t &) noexcept; -void operator delete(void *ptr) noexcept; -void operator delete[](void *ptr) noexcept; -void operator delete(void *ptr, const std::nothrow_t &) noexcept; -void operator delete[](void *ptr, const std::nothrow_t &) noexcept; - -#if __cpp_sized_deallocation >= 201309 -/* C++14's sized-delete operators. */ -void operator delete(void *ptr, std::size_t size) noexcept; -void operator delete[](void *ptr, std::size_t size) noexcept; -#endif - -JEMALLOC_NOINLINE -static void * -handleOOM(std::size_t size, bool nothrow) { - void *ptr = nullptr; - - while (ptr == nullptr) { - std::new_handler handler; - // GCC-4.8 and clang 4.0 do not have std::get_new_handler. - { - static std::mutex mtx; - std::lock_guard<std::mutex> lock(mtx); - - handler = std::set_new_handler(nullptr); - std::set_new_handler(handler); - } - if (handler == nullptr) - break; - - try { - handler(); - } catch (const std::bad_alloc &) { - break; - } - - ptr = je_malloc(size); - } - - if (ptr == nullptr && !nothrow) - std::__throw_bad_alloc(); - return ptr; -} - -template <bool IsNoExcept> -JEMALLOC_ALWAYS_INLINE -void * -newImpl(std::size_t size) noexcept(IsNoExcept) { - void *ptr = je_malloc(size); - if (likely(ptr != nullptr)) - return ptr; - - return handleOOM(size, IsNoExcept); -} - -void * -operator new(std::size_t size) { - return newImpl<false>(size); -} - -void * -operator new[](std::size_t size) { - return newImpl<false>(size); -} - -void * -operator new(std::size_t size, const std::nothrow_t &) noexcept { - return newImpl<true>(size); -} - -void * -operator new[](std::size_t size, const std::nothrow_t &) noexcept { - return newImpl<true>(size); -} - -void -operator delete(void *ptr) noexcept { - je_free(ptr); -} - -void -operator delete[](void *ptr) noexcept { - je_free(ptr); -} - -void -operator delete(void *ptr, const std::nothrow_t &) noexcept { - je_free(ptr); -} - -void operator delete[](void *ptr, const std::nothrow_t &) noexcept { - je_free(ptr); -} - -#if __cpp_sized_deallocation >= 201309 - -void -operator delete(void *ptr, std::size_t size) noexcept { - if (unlikely(ptr == nullptr)) { - return; - } - je_sdallocx_noflags(ptr, size); -} - -void operator delete[](void *ptr, std::size_t size) noexcept { - if (unlikely(ptr == nullptr)) { - return; - } - je_sdallocx_noflags(ptr, size); -} - -#endif // __cpp_sized_deallocation +#include <mutex> +#include <new> + +#define JEMALLOC_CPP_CPP_ +#ifdef __cplusplus +extern "C" { +#endif + +#include "jemalloc/internal/jemalloc_preamble.h" +#include "jemalloc/internal/jemalloc_internal_includes.h" + +#ifdef __cplusplus +} +#endif + +// All operators in this file are exported. + +// Possibly alias hidden versions of malloc and sdallocx to avoid an extra plt +// thunk? +// +// extern __typeof (sdallocx) sdallocx_int +// __attribute ((alias ("sdallocx"), +// visibility ("hidden"))); +// +// ... but it needs to work with jemalloc namespaces. + +void *operator new(std::size_t size); +void *operator new[](std::size_t size); +void *operator new(std::size_t size, const std::nothrow_t &) noexcept; +void *operator new[](std::size_t size, const std::nothrow_t &) noexcept; +void operator delete(void *ptr) noexcept; +void operator delete[](void *ptr) noexcept; +void operator delete(void *ptr, const std::nothrow_t &) noexcept; +void operator delete[](void *ptr, const std::nothrow_t &) noexcept; + +#if __cpp_sized_deallocation >= 201309 +/* C++14's sized-delete operators. */ +void operator delete(void *ptr, std::size_t size) noexcept; +void operator delete[](void *ptr, std::size_t size) noexcept; +#endif + +JEMALLOC_NOINLINE +static void * +handleOOM(std::size_t size, bool nothrow) { + void *ptr = nullptr; + + while (ptr == nullptr) { + std::new_handler handler; + // GCC-4.8 and clang 4.0 do not have std::get_new_handler. + { + static std::mutex mtx; + std::lock_guard<std::mutex> lock(mtx); + + handler = std::set_new_handler(nullptr); + std::set_new_handler(handler); + } + if (handler == nullptr) + break; + + try { + handler(); + } catch (const std::bad_alloc &) { + break; + } + + ptr = je_malloc(size); + } + + if (ptr == nullptr && !nothrow) + std::__throw_bad_alloc(); + return ptr; +} + +template <bool IsNoExcept> +JEMALLOC_ALWAYS_INLINE +void * +newImpl(std::size_t size) noexcept(IsNoExcept) { + void *ptr = je_malloc(size); + if (likely(ptr != nullptr)) + return ptr; + + return handleOOM(size, IsNoExcept); +} + +void * +operator new(std::size_t size) { + return newImpl<false>(size); +} + +void * +operator new[](std::size_t size) { + return newImpl<false>(size); +} + +void * +operator new(std::size_t size, const std::nothrow_t &) noexcept { + return newImpl<true>(size); +} + +void * +operator new[](std::size_t size, const std::nothrow_t &) noexcept { + return newImpl<true>(size); +} + +void +operator delete(void *ptr) noexcept { + je_free(ptr); +} + +void +operator delete[](void *ptr) noexcept { + je_free(ptr); +} + +void +operator delete(void *ptr, const std::nothrow_t &) noexcept { + je_free(ptr); +} + +void operator delete[](void *ptr, const std::nothrow_t &) noexcept { + je_free(ptr); +} + +#if __cpp_sized_deallocation >= 201309 + +void +operator delete(void *ptr, std::size_t size) noexcept { + if (unlikely(ptr == nullptr)) { + return; + } + je_sdallocx_noflags(ptr, size); +} + +void operator delete[](void *ptr, std::size_t size) noexcept { + if (unlikely(ptr == nullptr)) { + return; + } + je_sdallocx_noflags(ptr, size); +} + +#endif // __cpp_sized_deallocation |