/
/
usr
/
include
/
c++
/
11
EDITOR
/usr/include/c++/11/new
SAVE
CLOSE
// The -*- C++ -*- dynamic memory management header. // Copyright (C) 1994-2021 Free Software Foundation, Inc. // This file is part of GCC. // // GCC is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3, or (at your option) // any later version. // // GCC is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file new * This is a Standard C++ Library header. * * The header @c new defines several functions to manage dynamic memory and * handling memory allocation errors; see * https://gcc.gnu.org/onlinedocs/libstdc++/manual/dynamic_memory.html * for more. */ #ifndef _NEW #define _NEW #pragma GCC system_header #include <bits/c++config.h> #include <bits/exception.h> #pragma GCC visibility push(default) extern "C++" { namespace std { /** * @brief Exception possibly thrown by @c new. * @ingroup exceptions * * @c bad_alloc (or classes derived from it) is used to report allocation * errors from the throwing forms of @c new. */ class bad_alloc : public exception { public: bad_alloc() throw() { } #if __cplusplus >= 201103L bad_alloc(const bad_alloc&) = default; bad_alloc& operator=(const bad_alloc&) = default; #endif // This declaration is not useless: // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118 virtual ~bad_alloc() throw(); // See comment in eh_exception.cc. virtual const char* what() const throw(); }; #if __cplusplus >= 201103L class bad_array_new_length : public bad_alloc { public: bad_array_new_length() throw() { } // This declaration is not useless: // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118 virtual ~bad_array_new_length() throw(); // See comment in eh_exception.cc. virtual const char* what() const throw(); }; #endif #if __cpp_aligned_new enum class align_val_t: size_t {}; #endif struct nothrow_t { #if __cplusplus >= 201103L explicit nothrow_t() = default; #endif }; extern const nothrow_t nothrow; /** If you write your own error handler to be called by @c new, it must * be of this type. */ typedef void (*new_handler)(); /// Takes a replacement handler as the argument, returns the /// previous handler. new_handler set_new_handler(new_handler) throw(); #if __cplusplus >= 201103L /// Return the current new handler. new_handler get_new_handler() noexcept; #endif } // namespace std //@{ /** These are replaceable signatures: * - normal single new and delete (no arguments, throw @c bad_alloc on error) * - normal array new and delete (same) * - @c nothrow single new and delete (take a @c nothrow argument, return * @c NULL on error) * - @c nothrow array new and delete (same) * * Placement new and delete signatures (take a memory address argument, * does nothing) may not be replaced by a user's program. */ _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc) __attribute__((__externally_visible__)); _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc) __attribute__((__externally_visible__)); void operator delete(void*) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); void operator delete[](void*) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); #if __cpp_sized_deallocation void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); #endif _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__)); _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__)); void operator delete(void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); void operator delete[](void*, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); #if __cpp_aligned_new _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t) __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__)); _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__)); void operator delete(void*, std::align_val_t) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); void operator delete(void*, std::align_val_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t) __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__)); _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__)); void operator delete[](void*, std::align_val_t) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); void operator delete[](void*, std::align_val_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); #if __cpp_sized_deallocation void operator delete(void*, std::size_t, std::align_val_t) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); void operator delete[](void*, std::size_t, std::align_val_t) _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__)); #endif // __cpp_sized_deallocation #endif // __cpp_aligned_new // Default placement versions of operator new. _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT { return __p; } _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT { return __p; } // Default placement versions of operator delete. inline void operator delete (void*, void*) _GLIBCXX_USE_NOEXCEPT { } inline void operator delete[](void*, void*) _GLIBCXX_USE_NOEXCEPT { } //@} } // extern "C++" #if __cplusplus >= 201703L #ifdef _GLIBCXX_HAVE_BUILTIN_LAUNDER namespace std { #define __cpp_lib_launder 201606 /// Pointer optimization barrier [ptr.launder] template<typename _Tp> [[nodiscard]] constexpr _Tp* launder(_Tp* __p) noexcept { return __builtin_launder(__p); } // The program is ill-formed if T is a function type or // (possibly cv-qualified) void. template<typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM> void launder(_Ret (*)(_Args...) _GLIBCXX_NOEXCEPT_QUAL) = delete; template<typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM> void launder(_Ret (*)(_Args......) _GLIBCXX_NOEXCEPT_QUAL) = delete; void launder(void*) = delete; void launder(const void*) = delete; void launder(volatile void*) = delete; void launder(const volatile void*) = delete; } #endif // _GLIBCXX_HAVE_BUILTIN_LAUNDER #endif // C++17 #if __cplusplus > 201703L namespace std { /// Tag type used to declare a class-specific operator delete that can /// invoke the destructor before deallocating the memory. struct destroying_delete_t { explicit destroying_delete_t() = default; }; /// Tag variable of type destroying_delete_t. inline constexpr destroying_delete_t destroying_delete{}; } // Only define the feature test macro if the compiler supports the feature: #if __cpp_impl_destroying_delete # define __cpp_lib_destroying_delete 201806L #endif #endif // C++20 #pragma GCC visibility pop #endif
Ln 1, Col 1
FORMAT
WRAP
SAVE FILE
ONLINE
11
118 items
21:03:04
TERMINAL FM
×
NAVIGATION
Root
Parent Dir
Refresh
ACTIONS
New Folder
New File
Upload Files
New Symlink
SELECTION
Select All
Deselect
Delete Selected
NEW FOLDER
FOLDER NAME
NEW FILE
FILE NAME
UPLOAD FILES
Click to browse or drag & drop files
No files selected
RENAME
CURRENT NAME
NEW NAME
COPY FILE
SOURCE
DESTINATION NAME
CHMOD
FILE / FOLDER
CURRENT PERMISSIONS
NEW MODE (octal)
755 (rwxr-xr-x)
644 (rw-r--r--)
777 (rwxrwxrwx)
600 (rw-------)
444 (r--r--r--)
CONFIRM DELETE
You are about to delete:
This action is irreversible. All contents will be permanently removed.
NEW SYMLINK
LINK TARGET (path)
LINK NAME
Edit
Preview
Download
Rename
Copy
Chmod
Delete