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35 lines
709 B
35 lines
709 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#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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