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poller: Make event sources opaque

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This commit is contained in:
Kenny Levinsen 2020-08-31 01:33:41 +02:00
parent 8e1bf10d9d
commit 7d88315fea
2 changed files with 47 additions and 51 deletions
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74
include/poller.h
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@ -6,10 +6,6 @@
#include "list.h"
struct poller;
struct event_source_fd;
struct event_source_signal;
/*
* These are the event types available from the poller.
*/
@ -18,6 +14,16 @@ struct event_source_signal;
#define EVENT_ERROR 0x8
#define EVENT_HANGUP 0x10
/**
* The fd poller class. This must be created by poller_add_fd.
*/
struct event_source_fd;
/*
* The signal poller class. This must be created by poller_add_signal.
*/
struct event_source_signal;
/**
* The callback type used by event_source_fd, passed to poller_add_fd.
*/
@ -31,21 +37,6 @@ struct event_source_fd_impl {
int (*destroy)(struct event_source_fd *event_source);
};
/**
* The fd poller class. This must be created by poller_add_fd.
*/
struct event_source_fd {
const struct event_source_fd_impl *impl;
event_source_fd_func_t func;
int fd;
uint32_t mask;
void *data;
struct poller *poller;
bool killed;
};
/**
* Removes the event_source_fd from the poller and frees the structure.
*/
@ -68,41 +59,11 @@ struct event_source_signal_impl {
int (*destroy)(struct event_source_signal *event_source);
};
/*
* The signal poller class. This must be created by poller_add_signal.
*/
struct event_source_signal {
const struct event_source_signal_impl *impl;
event_source_signal_func_t func;
int signal;
void *data;
struct poller *poller;
bool raised;
bool killed;
};
/**
* Removes the event_source_siganl from the poller and frees the structure.
*/
int event_source_signal_destroy(struct event_source_signal *event_source);
/**
* The interface that a poll backend must implement.
*/
struct poll_impl {
struct poller *(*create)(void);
int (*destroy)(struct poller *);
struct event_source_fd *(*add_fd)(struct poller *, int fd, uint32_t mask,
event_source_fd_func_t func, void *data);
struct event_source_signal *(*add_signal)(struct poller *, int signal,
event_source_signal_func_t func, void *data);
int (*poll)(struct poller *);
};
/**
* The poller base class. This must be created by poller_create.
*/
@ -119,9 +80,20 @@ struct poller {
};
/**
* Creates a poller with the best available polling backend. This poller must
* be torn down with poller_destroy when it is no longer needed.
* The interface that a poll backend must implement.
*/
struct poll_impl {
struct poller *(*create)(void);
int (*destroy)(struct poller *);
struct event_source_fd *(*add_fd)(struct poller *, int fd, uint32_t mask,
event_source_fd_func_t func, void *data);
struct event_source_signal *(*add_signal)(struct poller *, int signal,
event_source_signal_func_t func, void *data);
int (*poll)(struct poller *);
};
/**
* Initializes the poller. The poller must be torn down with poller_finish when
* it is no longer needed.