1 #ifndef EV_API_H
2 #define EV_API_H
3 
4 #include "EXTERN.h"
5 #include "perl.h"
6 #include "XSUB.h"
7 
8 #ifndef pTHX_
9 # define pTHX_
10 # define aTHX_
11 # define pTHX
12 # define aTHX
13 #endif
14 
15 #define EV_COMMON				\
16   int e_flags; /* cheap on 64 bit systems */	\
17   SV *loop;                                     \
18   SV *self;    /* contains this struct */	\
19   SV *cb_sv, *fh, *data;
20 
21 #ifndef EV_PROTOTYPES
22 # define EV_PROTOTYPES 0
23 #endif
24 
25 #ifndef EV_H
26 # define EV_H <EV/ev.h>
27 #endif
28 
29 #include EV_H
30 
31 struct EVAPI {
32   I32 ver;
33   I32 rev;
34 #define EV_API_VERSION 5
35 #define EV_API_REVISION 1
36 
37   struct ev_loop *default_loop;
38   unsigned int supported_backends;
39   unsigned int recommended_backends;
40   unsigned int embeddable_backends;
41 
42   /* TODO: remove on major API bump */
43   /* perl fh or fd int to fd */
44   int (*sv_fileno) (SV *fh);
45   /* signal number/name to signum */
46   int (*sv_signum) (SV *fh);
47 
48   /* same as libev functions */
49   ev_tstamp (*time_)(void);
50   void (*sleep_)(ev_tstamp);
51 
52   struct ev_loop *(*loop_new)(unsigned int);
53   void (*loop_destroy)(EV_P);
54   void (*loop_fork)(EV_P);
55   unsigned int (*backend)(EV_P);
56   unsigned int (*iteration)(EV_P);
57   unsigned int (*depth)(EV_P);
58   ev_tstamp (*now)(EV_P);
59   void (*now_update)(EV_P);
60   int (*run)(EV_P_ int flags);
61   void (*break_)(EV_P_ int how);
62   void (*suspend)(EV_P);
63   void (*resume) (EV_P);
64   void (*ref)  (EV_P);
65   void (*unref)(EV_P);
66   void (*set_userdata)(EV_P_ void *data);
67   void *(*userdata)   (EV_P);
68   void (*set_loop_release_cb)  (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
69   void (*set_invoke_pending_cb)(EV_P_ void (*invoke_pending_cb)(EV_P));
70   unsigned int (*pending_count)(EV_P);
71   void (*invoke_pending)       (EV_P);
72   void (*verify)               (EV_P);
73 
74   void (*once)(EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
75 
76   void (*invoke)(EV_P_ void *, int);
77   int  (*clear_pending)(EV_P_ void *);
78 
79   void (*io_start)(EV_P_ ev_io *);
80   void (*io_stop) (EV_P_ ev_io *);
81   void (*timer_start)(EV_P_ ev_timer *);
82   void (*timer_stop) (EV_P_ ev_timer *);
83   void (*timer_again)(EV_P_ ev_timer *);
84   ev_tstamp (*timer_remaining) (EV_P_ ev_timer *);
85   void (*periodic_start)(EV_P_ ev_periodic *);
86   void (*periodic_stop) (EV_P_ ev_periodic *);
87   void (*signal_start)(EV_P_ ev_signal *);
88   void (*signal_stop) (EV_P_ ev_signal *);
89   void (*child_start)(EV_P_ ev_child *);
90   void (*child_stop) (EV_P_ ev_child *);
91   void (*stat_start)(EV_P_ ev_stat *);
92   void (*stat_stop) (EV_P_ ev_stat *);
93   void (*stat_stat) (EV_P_ ev_stat *);
94   void (*idle_start)(EV_P_ ev_idle *);
95   void (*idle_stop) (EV_P_ ev_idle *);
96   void (*prepare_start)(EV_P_ ev_prepare *);
97   void (*prepare_stop) (EV_P_ ev_prepare *);
98   void (*check_start)(EV_P_ ev_check *);
99   void (*check_stop) (EV_P_ ev_check *);
100   void (*embed_start)(EV_P_ ev_embed *);
101   void (*embed_stop) (EV_P_ ev_embed *);
102   void (*embed_sweep)(EV_P_ ev_embed *);
103   void (*fork_start) (EV_P_ ev_fork *);
104   void (*fork_stop)  (EV_P_ ev_fork *);
105   void (*cleanup_start) (EV_P_ ev_cleanup *);
106   void (*cleanup_stop)  (EV_P_ ev_cleanup *);
107   void (*async_start)(EV_P_ ev_async *);
108   void (*async_stop) (EV_P_ ev_async *);
109   void (*async_send) (EV_P_ ev_async *);
110 };
111 
112 #if !EV_PROTOTYPES
113 # undef EV_DEFAULT
114 # undef EV_DEFAULT_
115 # undef EV_DEFAULT_UC
116 # undef EV_DEFAULT_UC_
117 # undef EV_A_
118 # define EV_DEFAULT                GEVAPI->default_loop
119 # define EV_DEFAULT_UC             GEVAPI->default_loop
120 # define ev_supported_backends()   GEVAPI->supported_backends
121 # define ev_recommended_backends() GEVAPI->recommended_backends
122 # define ev_embeddable_backends()  GEVAPI->embeddable_backends
123 
124 # define sv_fileno(sv)             GEVAPI->sv_fileno (sv)
125 # define sv_signum(sv)             GEVAPI->sv_signum (sv)
126 
127 # define ev_time()                 GEVAPI->time_ ()
128 # define ev_sleep(time)            GEVAPI->sleep_ ((time))
129 
130 # define ev_loop_new(flags)        GEVAPI->loop_new ((flags))
131 # define ev_loop_destroy(loop)     GEVAPI->loop_destroy ((loop))
132 # define ev_loop_fork(loop)        GEVAPI->loop_fork ((loop))
133 # define ev_backend(loop)          GEVAPI->backend ((loop))
134 # define ev_iteration(loop)        GEVAPI->iteration ((loop))
135 # define ev_depth(loop)            GEVAPI->depth ((depth))
136 # define ev_now(loop)              GEVAPI->now ((loop))
137 # define ev_now_update(loop)       GEVAPI->now_update ((loop))
138 # define ev_run(l,flags)           GEVAPI->run ((l), (flags))
139 # define ev_break(loop,how)        GEVAPI->break_ ((loop), (how))
140 # define ev_suspend(loop)          GEVAPI->suspend ((loop))
141 # define ev_resume(loop)           GEVAPI->resume ((loop))
142 # define ev_ref(loop)              GEVAPI->ref   (loop)
143 # define ev_unref(loop)            GEVAPI->unref (loop)
144 # define ev_set_userdata(l,p)      GEVAPI->set_userdata ((l), (p))
145 # define ev_userdata(l)            GEVAPI->userdata (l)
146 # define ev_set_loop_release_cb(l,r,a) GEVAPI->set_loop_release_cb ((l), (r), (a))
147 # define ev_set_invoke_pending_cb(l,c) GEVAPI->set_invoke_pending_cb ((l), (c))
148 # define ev_invoke_pending(l)      GEVAPI->invoke_pending ((l))
149 # define ev_pending_count(l)       GEVAPI->pending_count ((l))
150 # define ev_verify(l)              GEVAPI->verify ((l))
151 
152 # define ev_once(loop,fd,events,timeout,cb,arg) GEVAPI->once ((loop), (fd), (events), (timeout), (cb), (arg))
153 
154 # define ev_invoke(l,w,rev)        GEVAPI->invoke ((l), (w), (rev))
155 # define ev_clear_pending(l,w)     GEVAPI->clear_pending ((l), (w))
156 # define ev_io_start(l,w)          GEVAPI->io_start ((l), (w))
157 # define ev_io_stop(l,w)           GEVAPI->io_stop  ((l), (w))
158 # define ev_timer_start(l,w)       GEVAPI->timer_start ((l), (w))
159 # define ev_timer_stop(l,w)        GEVAPI->timer_stop  ((l), (w))
160 # define ev_timer_again(l,w)       GEVAPI->timer_again ((l), (w))
161 # define ev_timer_remaining(l,w)   GEVAPI->timer_remaining ((l), (w))
162 # define ev_periodic_start(l,w)    GEVAPI->periodic_start ((l), (w))
163 # define ev_periodic_stop(l,w)     GEVAPI->periodic_stop  ((l), (w))
164 # define ev_signal_start(l,w)      GEVAPI->signal_start ((l), (w))
165 # define ev_signal_stop(l,w)       GEVAPI->signal_stop  ((l), (w))
166 # define ev_idle_start(l,w)        GEVAPI->idle_start ((l), (w))
167 # define ev_idle_stop(l,w)         GEVAPI->idle_stop  ((l), (w))
168 # define ev_prepare_start(l,w)     GEVAPI->prepare_start ((l), (w))
169 # define ev_prepare_stop(l,w)      GEVAPI->prepare_stop  ((l), (w))
170 # define ev_check_start(l,w)       GEVAPI->check_start ((l), (w))
171 # define ev_check_stop(l,w)        GEVAPI->check_stop  ((l), (w))
172 # define ev_child_start(l,w)       GEVAPI->child_start ((l), (w))
173 # define ev_child_stop(l,w)        GEVAPI->child_stop  ((l), (w))
174 # define ev_stat_start(l,w)        GEVAPI->stat_start ((l), (w))
175 # define ev_stat_stop(l,w)         GEVAPI->stat_stop  ((l), (w))
176 # define ev_stat_stat(l,w)         GEVAPI->stat_stat  ((l), (w))
177 # define ev_embed_start(l,w)       GEVAPI->embed_start ((l), (w))
178 # define ev_embed_stop(l,w)        GEVAPI->embed_stop  ((l), (w))
179 # define ev_embed_sweep(l,w)       GEVAPI->embed_sweep ((l), (w))
180 # define ev_fork_start(l,w)        GEVAPI->fork_start ((l), (w))
181 # define ev_fork_stop(l,w)         GEVAPI->fork_stop  ((l), (w))
182 # define ev_cleanup_start(l,w)     GEVAPI->cleanup_start ((l), (w))
183 # define ev_cleanup_stop(l,w)      GEVAPI->cleanup_stop  ((l), (w))
184 # define ev_async_start(l,w)       GEVAPI->async_start ((l), (w))
185 # define ev_async_stop(l,w)        GEVAPI->async_stop  ((l), (w))
186 # define ev_async_send(l,w)        GEVAPI->async_send  ((l), (w))
187 #endif
188 
189 static struct EVAPI *GEVAPI;
190 
191 #define I_EV_API(YourName)                                                                 \
192 STMT_START {                                                                               \
193   SV *sv = perl_get_sv ("EV::API", 0);                                                     \
194   if (!sv) croak ("EV::API not found");                                                    \
195   GEVAPI = (struct EVAPI*) SvIV (sv);                                                      \
196   if (GEVAPI->ver != EV_API_VERSION                                                        \
197       || GEVAPI->rev < EV_API_REVISION)                                                    \
198     croak ("EV::API version mismatch (%d.%d vs. %d.%d) -- please recompile '%s'",          \
199            (int)GEVAPI->ver, (int)GEVAPI->rev, EV_API_VERSION, EV_API_REVISION, YourName); \
200 } STMT_END
201 
202 #endif
203 
204