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| author | Stefan Monnier <monnier@iro.umontreal.ca> | 2006-04-08 14:34:31 +0000 |
|---|---|---|
| committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2006-04-08 14:34:31 +0000 |
| commit | 31c3133a5006b112bfc5c4bef6e84569317534ab (patch) | |
| tree | d6ef226a3abfea7b94a9a2902879adeadcea98d9 /src/lisp.h | |
| parent | b500030faa2c3b5b1a19ecaa1cead8f4796f8c74 (diff) | |
| download | emacs-31c3133a5006b112bfc5c4bef6e84569317534ab.tar.gz | |
(PSEUDOVECTOR_SIZE_MASK): Expand docstring.
Diffstat (limited to 'src/lisp.h')
| -rw-r--r-- | src/lisp.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/lisp.h b/src/lisp.h index 56b5645b9dc..63a17801a3d 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -297,7 +297,11 @@ enum pvec_type #endif }; -/* For convenience, we also store the number of elements in these bits. */ +/* For convenience, we also store the number of elements in these bits. + Note that this size is not necessarily the memory-footprint size, but + only the number of Lisp_Object fields (that need to be traced by the GC). + The distinction is used e.g. by Lisp_Process which places extra + non-Lisp_Object fields at the end of the structure. */ #define PSEUDOVECTOR_SIZE_MASK 0x1ff /* Number of bits to put in each character in the internal representation |