54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
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#ifndef ELOOP_H
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#define ELOOP_H
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/* Magic number for eloop_cancel_timeout() */
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#define ELOOP_ALL_CTX (void *) -1
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/* Initialize global event loop data - must be called before any other eloop_*
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* function. user_data is a pointer to global data structure and will be passed
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* as eloop_ctx to signal handlers. */
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void eloop_init(void *user_data);
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/* Register handler for read event */
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int eloop_register_read_sock(int sock,
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void (*handler)(int sock, void *eloop_ctx,
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void *sock_ctx),
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void *eloop_data, void *user_data);
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void eloop_unregister_read_sock(int sock);
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/* Register timeout */
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int eloop_register_timeout(unsigned int secs, unsigned int usecs,
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void (*handler)(void *eloop_ctx, void *timeout_ctx),
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void *eloop_data, void *user_data);
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/* Cancel timeouts matching <handler,eloop_data,user_data>.
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* ELOOP_ALL_CTX can be used as a wildcard for cancelling all timeouts
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* regardless of eloop_data/user_data. */
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int eloop_cancel_timeout(void (*handler)(void *eloop_ctx, void *sock_ctx),
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void *eloop_data, void *user_data);
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/* Register handler for signal.
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* Note: signals are 'global' events and there is no local eloop_data pointer
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* like with other handlers. The (global) pointer given to eloop_init() will be
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* used as eloop_ctx for signal handlers. */
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int eloop_register_signal(int sock,
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void (*handler)(int sig, void *eloop_ctx,
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void *signal_ctx),
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void *user_data);
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/* Start event loop and continue running as long as there are any registered
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* event handlers. */
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void eloop_run(void);
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/* Terminate event loop even if there are registered events. */
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void eloop_terminate(void);
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/* Free any reserved resources. After calling eloop_destoy(), other eloop_*
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* functions must not be called before re-running eloop_init(). */
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void eloop_destroy(void);
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/* Check whether event loop has been terminated. */
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int eloop_terminated(void);
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#endif /* ELOOP_H */
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