1 |
#include "EXTERN.h" |
2 |
#include "perl.h" |
3 |
#include "XSUB.h" |
4 |
|
5 |
#include <assert.h> |
6 |
#include <string.h> |
7 |
|
8 |
#define EV_PROTOTYPES 0 |
9 |
#include "EVAPI.h" |
10 |
#include "../Coro/CoroAPI.h" |
11 |
|
12 |
static void |
13 |
once_cb (int revents, void *arg) |
14 |
{ |
15 |
AV *av = (AV *)arg; /* @_ */ |
16 |
av_push (av, newSViv (revents)); |
17 |
CORO_READY (AvARRAY (av)[0]); |
18 |
SvREFCNT_dec (av); |
19 |
} |
20 |
|
21 |
#define ONCE_INIT AV *av = GvAV (PL_defgv); |
22 |
#define ONCE_DONE av_clear (av); av_push (av, SvREFCNT_inc (CORO_CURRENT)); |
23 |
|
24 |
static struct ev_prepare scheduler; |
25 |
static struct ev_idle idler; |
26 |
static int inhibit; |
27 |
|
28 |
static void |
29 |
idle_cb (struct ev_idle *w, int revents) |
30 |
{ |
31 |
ev_idle_stop (w); |
32 |
} |
33 |
|
34 |
static void |
35 |
prepare_cb (struct ev_prepare *w, int revents) |
36 |
{ |
37 |
static int incede; |
38 |
|
39 |
if (inhibit) |
40 |
return; |
41 |
|
42 |
++incede; |
43 |
|
44 |
CORO_CEDE_NOTSELF; |
45 |
|
46 |
while (CORO_NREADY >= incede && CORO_CEDE) |
47 |
; |
48 |
|
49 |
/* if still ready, then we have lower-priority coroutines. |
50 |
* poll anyways, but do not block. |
51 |
*/ |
52 |
if (CORO_NREADY >= incede && !ev_is_active (&idler)) |
53 |
ev_idle_start (&idler); |
54 |
|
55 |
--incede; |
56 |
} |
57 |
|
58 |
MODULE = Coro::EV PACKAGE = Coro::EV |
59 |
|
60 |
PROTOTYPES: ENABLE |
61 |
|
62 |
BOOT: |
63 |
{ |
64 |
I_EV_API ("Coro::EV"); |
65 |
I_CORO_API ("Coro::Event"); |
66 |
|
67 |
ev_prepare_init (&scheduler, prepare_cb); |
68 |
ev_prepare_start (EV_DEFAULT_ &scheduler); |
69 |
ev_unref (); |
70 |
|
71 |
ev_idle_init (&idler, idle_cb); |
72 |
} |
73 |
|
74 |
void |
75 |
_loop_oneshot () |
76 |
CODE: |
77 |
++inhibit; |
78 |
ev_loop (EV_DEFAULT_ EVLOOP_ONESHOT); |
79 |
--inhibit; |
80 |
|
81 |
void |
82 |
_timed_io_once (...) |
83 |
CODE: |
84 |
{ |
85 |
ONCE_INIT; |
86 |
assert (AvFILLp (av) >= 1); |
87 |
ev_once ( |
88 |
sv_fileno (AvARRAY (av)[0]), |
89 |
SvIV (AvARRAY (av)[1]), |
90 |
AvFILLp (av) >= 2 && SvOK (AvARRAY (av)[2]) ? SvNV (AvARRAY (av)[2]) : -1., |
91 |
once_cb, |
92 |
(void *)SvREFCNT_inc (av) |
93 |
); |
94 |
ONCE_DONE; |
95 |
} |
96 |
|
97 |
void |
98 |
_timer_once (...) |
99 |
CODE: |
100 |
{ |
101 |
ONCE_INIT; |
102 |
NV after = SvNV (AvARRAY (av)[0]); |
103 |
ev_once ( |
104 |
-1, |
105 |
0, |
106 |
after >= 0. ? after : 0., |
107 |
once_cb, |
108 |
(void *)SvREFCNT_inc (av) |
109 |
); |
110 |
ONCE_DONE; |
111 |
} |
112 |
|
113 |
|
114 |
|