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93 lines
4.4 KiB
C++
93 lines
4.4 KiB
C++
// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
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// Copyright (c) 2011, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ---
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// Author: Craig Silverstein <opensource@google.com>
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//
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// Used on systems that don't have their own definition of
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// malloc/new/etc. (Typically this will be a windows msvcrt.dll that
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// has been edited to remove the definitions.) We can just define our
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// own as normal functions.
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//
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// This should also work on systems were all the malloc routines are
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// defined as weak symbols, and there's no support for aliasing.
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#ifndef TCMALLOC_LIBC_OVERRIDE_REDEFINE_H_
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#define TCMALLOC_LIBC_OVERRIDE_REDEFINE_H_
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void* operator new(size_t size) { return tc_new(size); }
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void operator delete(void* p) throw() { tc_delete(p); }
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void* operator new[](size_t size) { return tc_newarray(size); }
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void operator delete[](void* p) throw() { tc_deletearray(p); }
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void* operator new(size_t size, const std::nothrow_t& nt) throw() {
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return tc_new_nothrow(size, nt);
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}
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void* operator new[](size_t size, const std::nothrow_t& nt) throw() {
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return tc_newarray_nothrow(size, nt);
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}
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void operator delete(void* ptr, const std::nothrow_t& nt) throw() {
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return tc_delete_nothrow(ptr, nt);
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}
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void operator delete[](void* ptr, const std::nothrow_t& nt) throw() {
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return tc_deletearray_nothrow(ptr, nt);
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}
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#ifdef ENABLE_SIZED_DELETE
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void operator delete(void* p, size_t s) throw() { tc_delete_sized(p, s); }
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void operator delete[](void* p, size_t s) throw(){ tc_deletearray_sized(p); }
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#endif
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extern "C" {
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void* malloc(size_t s) { return tc_malloc(s); }
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void free(void* p) { tc_free(p); }
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void* realloc(void* p, size_t s) { return tc_realloc(p, s); }
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void* calloc(size_t n, size_t s) { return tc_calloc(n, s); }
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void cfree(void* p) { tc_cfree(p); }
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void* memalign(size_t a, size_t s) { return tc_memalign(a, s); }
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void* valloc(size_t s) { return tc_valloc(s); }
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void* pvalloc(size_t s) { return tc_pvalloc(s); }
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int posix_memalign(void** r, size_t a, size_t s) {
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return tc_posix_memalign(r, a, s);
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}
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void malloc_stats(void) { tc_malloc_stats(); }
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int mallopt(int cmd, int v) { return tc_mallopt(cmd, v); }
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#ifdef HAVE_STRUCT_MALLINFO
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struct mallinfo mallinfo(void) { return tc_mallinfo(); }
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#endif
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size_t malloc_size(void* p) { return tc_malloc_size(p); }
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size_t malloc_usable_size(void* p) { return tc_malloc_size(p); }
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} // extern "C"
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// No need to do anything at tcmalloc-registration time: we do it all
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// via overriding weak symbols (at link time).
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static void ReplaceSystemAlloc() { }
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#endif // TCMALLOC_LIBC_OVERRIDE_REDEFINE_H_
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