mirror of
https://github.com/gnustep/libs-base.git
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759a52916e
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@750 72102866-910b-0410-8b05-ffd578937521
76 lines
1.5 KiB
Objective-C
76 lines
1.5 KiB
Objective-C
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static unsigned released_capacity = 0;
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static unsigned released_index = 0;
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static id *released_objects = NULL;
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static void **released_stack_pointers = NULL;
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#define DEFAULT_SIZE 64
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static void *s1, *s2;
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static void unsigned stack_release_offset;
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static void init_stack_release()
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{
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s1 = get_stack();
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[Object _stackReleaseTest];
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stack_release_offset = s2 - s1;
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released_capacity = DEFAULT_SIZE;
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OBJC_MALLOC(released_objects, id, released_capacity);
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OBJC_MALLOC(released_stack_pointers, void*, released_capacity);
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}
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static void*
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get_stack()
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{
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int i;
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return &i;
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}
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static inline void
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grow_released_arrays()
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{
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if (index == released_capacity)
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{
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released_capacity *= 2;
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OBJC_REALLOC(released_objects, id, released_capacity);
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OBJC_REALLOC(released_stack_pointers, void*, released_capacity);
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}
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}
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@implementation Object (Releasing)
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+ _stackReleaseTest
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{
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s2 = get_stack();
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}
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- stackRelease
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/* - releaseLater */
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{
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static init_done = 0;
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/* Initialize if we haven't done it yet */
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if (!init_done)
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{
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init_stack_release();
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init_done = 1;
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}
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/* Do the pending releases of other objects */
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/* xxx This assumes stack grows up */
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while ((released_stack_pointers[released_index]
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> (get_stack() - stack_release_offset))
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&& released_index)
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{
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[released_objects[released_index] release];
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released_index--;
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}
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/* Queue this object for later release */
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released_index++;
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grow_released_arrays();
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released_objects[released_index] = self;
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return self;
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}
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@end
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