// Copyright (c) 2005, Google Inc.
// All rights reserved.
// 
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// modification, are permitted provided that the following conditions are
// met:
// 
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// in the documentation and/or other materials provided with the
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// ---
// Author: Sanjay Ghemawat
//
// Routine that uses sbrk/mmap to allocate memory from the system.
// Useful for implementing malloc.

#ifndef TCMALLOC_SYSTEM_ALLOC_H__
#define TCMALLOC_SYSTEM_ALLOC_H__

// REQUIRES: "alignment" is a power of two or "0" to indicate default alignment
//
// Allocate and return "N" bytes of zeroed memory.  The returned
// pointer is a multiple of "alignment" if non-zero.  Returns NULL
// when out of memory.
extern void* TCMalloc_SystemAlloc(size_t bytes, size_t alignment = 0);

#endif /* TCMALLOC_SYSTEM_ALLOC_H__ */