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35 lines
670 B
C
35 lines
670 B
C
#ifndef _DELAYED_CALL_H
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#define _DELAYED_CALL_H
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/*
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* Poor man's closures; I wish we could've done them sanely polymorphic,
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* but...
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*/
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struct delayed_call {
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void (*fn)(void *);
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void *arg;
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};
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#define DEFINE_DELAYED_CALL(name) struct delayed_call name = {NULL, NULL}
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/* I really wish we had closures with sane typechecking... */
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static inline void set_delayed_call(struct delayed_call *call,
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void (*fn)(void *), void *arg)
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{
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call->fn = fn;
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call->arg = arg;
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}
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static inline void do_delayed_call(struct delayed_call *call)
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{
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if (call->fn)
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call->fn(call->arg);
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}
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static inline void clear_delayed_call(struct delayed_call *call)
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{
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call->fn = NULL;
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}
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#endif
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