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liblzma: API comment about lzma_allocator with threaded coding.

This commit is contained in:
Lasse Collin 2011-04-11 19:26:27 +03:00
parent 5eefc0086d
commit a7934c446a
1 changed files with 13 additions and 5 deletions
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18
src/liblzma/api/lzma/base.h
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@ -332,11 +332,19 @@ typedef enum {
* malloc() and free(). C++ users should note that the custom memory
* handling functions must not throw exceptions.
*
* liblzma doesn't make an internal copy of lzma_allocator. Thus, it is
* OK to change these function pointers in the middle of the coding
* process, but obviously it must be done carefully to make sure that the
* replacement `free' can deallocate memory allocated by the earlier
* `alloc' function(s).
* Single-threaded mode only: liblzma doesn't make an internal copy of
* lzma_allocator. Thus, it is OK to change these function pointers in
* the middle of the coding process, but obviously it must be done
* carefully to make sure that the replacement `free' can deallocate
* memory allocated by the earlier `alloc' function(s).
*
* Multithreaded mode: liblzma might internally store pointers to the
* lzma_allocator given via the lzma_stream structure. The application
* must not change the allocator pointer in lzma_stream or the contents
* of the pointed lzma_allocator structure until lzma_end() has been used
* to free the memory associated with that lzma_stream. The allocation
* functions might be called simultaneously from multiple threads, and
* thus they must be thread safe.
*/
typedef struct {
/**