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- /*
- * cancellation.h
- *
- * Asynchronously-cancellable function calls.
- *
- * Written & released by Keir Fraser <keir.xen@gmail.com>
- *
- * This is free and unencumbered software released into the public domain.
- * See the file COPYING for more details, or visit <http://unlicense.org>.
- */
- struct cancellation {
- uint32_t *sp;
- };
- #define cancellation_is_active(c) ((c)->sp != NULL)
- /* Execute fn() in a wrapped cancellable environment. */
- int call_cancellable_fn(struct cancellation *c, int (*fn)(void *), void *arg);
- /* From IRQ content: stop running fn() and immediately return -1. */
- void cancel_call(struct cancellation *c);
- /*
- * Local variables:
- * mode: C
- * c-file-style: "Linux"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
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