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author | Avneesh Saluja <asaluja@gmail.com> | 2013-03-28 18:28:16 -0700 |
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committer | Avneesh Saluja <asaluja@gmail.com> | 2013-03-28 18:28:16 -0700 |
commit | 3d8d656fa7911524e0e6885647173474524e0784 (patch) | |
tree | 81b1ee2fcb67980376d03f0aa48e42e53abff222 /klm/util/pool.hh | |
parent | be7f57fdd484e063775d7abf083b9fa4c403b610 (diff) | |
parent | 96fedabebafe7a38a6d5928be8fff767e411d705 (diff) |
fixed conflicts
Diffstat (limited to 'klm/util/pool.hh')
-rw-r--r-- | klm/util/pool.hh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/klm/util/pool.hh b/klm/util/pool.hh new file mode 100644 index 00000000..72f8a0c8 --- /dev/null +++ b/klm/util/pool.hh @@ -0,0 +1,45 @@ +// Very simple pool. It can only allocate memory. And all of the memory it +// allocates must be freed at the same time. + +#ifndef UTIL_POOL__ +#define UTIL_POOL__ + +#include <vector> + +#include <stdint.h> + +namespace util { + +class Pool { + public: + Pool(); + + ~Pool(); + + void *Allocate(std::size_t size) { + void *ret = current_; + current_ += size; + if (current_ < current_end_) { + return ret; + } else { + return More(size); + } + } + + void FreeAll(); + + private: + void *More(std::size_t size); + + std::vector<void *> free_list_; + + uint8_t *current_, *current_end_; + + // no copying + Pool(const Pool &); + Pool &operator=(const Pool &); +}; + +} // namespace util + +#endif // UTIL_POOL__ |