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Anticipate magic number

This commit is contained in:
Willem Toorop 2016-03-02 12:38:29 +01:00
parent 4230961e9f
commit 8e4dd05379
2 changed files with 22 additions and 15 deletions
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36
src/ub_loop.c
View File

@ -38,6 +38,8 @@
#include "ub_loop.h"
#ifdef HAVE_UNBOUND_EVENT_API
#define UB_EVENT_API_MAGIC 0x44d74d78
#ifndef HAVE_UNBOUND_EVENT_H
/** event timeout */
#define UB_EV_TIMEOUT 0x01
@ -51,38 +53,40 @@
#define UB_EV_PERSIST 0x10
struct ub_event_base_vmt {
void (*event_base_free)(struct ub_event_base*);
int (*event_base_dispatch)(struct ub_event_base*);
int (*event_base_loopexit)(struct ub_event_base*, struct timeval*);
struct ub_event* (*event_new)(struct ub_event_base*,
void (*free)(struct ub_event_base*);
int (*dispatch)(struct ub_event_base*);
int (*loopexit)(struct ub_event_base*, struct timeval*);
struct ub_event* (*new_event)(struct ub_event_base*,
int fd, short bits, void (*cb)(int, short, void*), void* arg);
struct ub_event* (*signal_new)(struct ub_event_base*, int fd,
struct ub_event* (*new_signal)(struct ub_event_base*, int fd,
void (*cb)(int, short, void*), void* arg);
struct ub_event* (*winsock_register_wsaevent)(struct ub_event_base*,
void* wsaevent, void (*cb)(int, short, void*), void* arg);
};
struct ub_event_vmt {
void (*event_add_bits)(struct ub_event*, short);
void (*event_del_bits)(struct ub_event*, short);
void (*event_set_fd)(struct ub_event*, int);
void (*event_free)(struct ub_event*);
int (*event_add)(struct ub_event*, struct timeval*);
int (*event_del)(struct ub_event*);
int (*timer_add)(struct ub_event*, struct ub_event_base*,
void (*add_bits)(struct ub_event*, short);
void (*del_bits)(struct ub_event*, short);
void (*set_fd)(struct ub_event*, int);
void (*free)(struct ub_event*);
int (*add)(struct ub_event*, struct timeval*);
int (*del)(struct ub_event*);
int (*add_timer)(struct ub_event*, struct ub_event_base*,
void (*cb)(int, short, void*), void* arg, struct timeval*);
int (*timer_del)(struct ub_event*);
int (*signal_add)(struct ub_event*, struct timeval*);
int (*signal_del)(struct ub_event*);
int (*del_timer)(struct ub_event*);
int (*add_signal)(struct ub_event*, struct timeval*);
int (*del_signal)(struct ub_event*);
void (*winsock_unregister_wsaevent)(struct ub_event* ev);
void (*winsock_tcp_wouldblock)(struct ub_event*, int eventbit);
};
struct ub_event {
unsigned long magic;
struct ub_event_vmt* vmt;
};
#endif
typedef struct my_event {
struct ub_event super;
/** event in the getdns event loop */
@ -291,6 +295,7 @@ static struct ub_event* my_event_new(struct ub_event_base* base, int fd,
return NULL;
ev = GETDNS_MALLOC(AS_UB_LOOP(base)->mf, my_event);
ev->super.magic = UB_EVENT_API_MAGIC;
ev->super.vmt = &vmt;
ev->loop = AS_UB_LOOP(base);
ev->added = 0;
@ -331,6 +336,7 @@ void _getdns_ub_loop_init(_getdns_ub_loop *loop, struct mem_funcs *mf, getdns_ev
my_winsock_register_wsaevent
};
loop->super.magic = UB_EVENT_API_MAGIC;
loop->super.vmt = &vmt;
loop->mf = *mf;
loop->extension = extension;

1
src/ub_loop.h
View File

@ -44,6 +44,7 @@
#ifndef HAVE_UNBOUND_EVENT_H
struct ub_event_base_vmt;
struct ub_event_base {
unsigned long magic;
struct ub_event_base_vmt* vmt;
};
struct ub_event_base;