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Beefed up description of what this does; new XXX.

This commit is contained in:
Tim Peters 2006-03-02 21:04:08 +00:00
parent 5f4390fb09
commit cb9426b5f4
1 changed files with 10 additions and 2 deletions
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12
Include/pyarena.h
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@ -12,8 +12,16 @@ extern "C" {
/* PyArena_New() and PyArena_Free() create a new arena and free it, /* PyArena_New() and PyArena_Free() create a new arena and free it,
respectively. Once an arena has been created, it can be used respectively. Once an arena has been created, it can be used
to allocate memory. Once it is freed, all the memory it allocated to allocate memory via PyArena_Malloc(). Pointers to PyObject can
is freed and none of its pointers are valid. also be registered with the arena via PyArena_AddPyObject(), and the
arena will ensure that the PyObjects stay alive at least until
PyArena_Free() is called. When an arena is freed, all the memory it
allocated is freed, the arena releases internal references to registered
PyObject*, and none of its pointers are valid.
XXX (tim) What does "none of its pointers are valid" mean? Does it
XXX mean that pointers previously obtained via PyArena_Malloc() are
XXX no longer valid? (That's clearly true, but not sure that's what
XXX the text is trying to say.)
PyArena_New() returns an arena pointer. On error, it PyArena_New() returns an arena pointer. On error, it
returns a negative number and sets an exception. returns a negative number and sets an exception.