[Xen-changelog] [xen-unstable] libxl: Add a comment about NOGC usage with flexarray

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Anthony PERARD <anthony.perard@xxxxxxxxxx>
# Date 1349693129 -3600
# Node ID 93e3e6a33e0a1ec9f92fc575334caa35e6dbc757
# Parent  3eb9a891889a734a21643f02dac19b1b0cbe53f7
libxl: Add a comment about NOGC usage with flexarray

Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r 3eb9a891889a -r 93e3e6a33e0a tools/libxl/flexarray.h
--- a/tools/libxl/flexarray.h   Fri Oct 05 15:12:04 2012 +0100
+++ b/tools/libxl/flexarray.h   Mon Oct 08 11:45:29 2012 +0100
@@ -26,7 +26,13 @@ typedef struct flexarray {
     struct libxl__gc *gc;
 } flexarray_t;
 
-_hidden flexarray_t *flexarray_make(struct libxl__gc *gc, int size, int 
autogrow);
+/*
+ * NOGC can be used with flexarrays, but flexarray_free will need to be called
+ * to free the struct. The content of the flexarray will not be freed through
+ * flexarray_free.
+ */
+_hidden flexarray_t *flexarray_make(struct libxl__gc *gc_opt,
+                                    int size, int autogrow);
 _hidden void flexarray_free(flexarray_t *array);
 _hidden void flexarray_grow(flexarray_t *array, int extents);
 _hidden int flexarray_set(flexarray_t *array, unsigned int index, void *ptr);

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