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47 lines
1.2 KiB
Objective-C
47 lines
1.2 KiB
Objective-C
#include "../toydispatch/toydispatch.h"
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#include <unistd.h>
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#include <stdlib.h>
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static dispatch_queue_t gc_deferred_queue;
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static dispatch_queue_t gc_queue;
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__attribute__((constructor)) void static create_queue(void)
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{
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gc_deferred_queue = dispatch_queue_create("GCKit collection deferred queue", 0);
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gc_queue = dispatch_queue_create("GCKit collection queue", 0);
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}
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struct gc_deferred_execution_t
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{
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useconds_t time;
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dispatch_function_t function;
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void *data;
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};
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static void perform_deferred(void *c)
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{
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struct gc_deferred_execution_t *context = c;
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usleep(context->time);
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dispatch_async_f(gc_queue, context->function, context->data);
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free(context);
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}
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/**
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* Runs function(data) at some point at least useconds microseconds in the
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* future.
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*/
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void GCPerformDeferred(dispatch_function_t function, void *data,
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int useconds)
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{
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struct gc_deferred_execution_t *context = malloc(sizeof(struct gc_deferred_execution_t));
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context->time = useconds;
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context->function = function;
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context->data = data;
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dispatch_async_f(gc_deferred_queue, context, perform_deferred);
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}
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void GCPerform(dispatch_function_t function, void *data)
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{
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dispatch_async_f(gc_queue, data, function);
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}
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