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Comparing libev/event.c (file contents):
Revision 1.37 by root, Wed Oct 29 17:50:57 2008 UTC vs.
Revision 1.46 by root, Sun Oct 24 17:19:47 2010 UTC

1/* 1/*
2 * libevent compatibility layer 2 * libevent compatibility layer
3 * 3 *
4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
39 39
40#include <stddef.h> 40#include <stddef.h>
41#include <stdlib.h> 41#include <stdlib.h>
42#include <assert.h> 42#include <assert.h>
43 43
44#ifndef WIN32
45# include <sys/time.h>
46#endif
47
48#ifdef EV_EVENT_H 44#ifdef EV_EVENT_H
49# include EV_EVENT_H 45# include EV_EVENT_H
50#else 46#else
51# include "event.h" 47# include "event.h"
52#endif 48#endif
49
50/* same definition as in ev.c */
51#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
53 52
54#if EV_MULTIPLICITY 53#if EV_MULTIPLICITY
55# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base 54# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base
56# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base 55# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base
57#else 56#else
65 int dummy; 64 int dummy;
66}; 65};
67 66
68static struct event_base *ev_x_cur; 67static struct event_base *ev_x_cur;
69 68
70static void
71ev_tv_set (struct timeval *tv, ev_tstamp at)
72{
73 tv->tv_sec = (long)at;
74 tv->tv_usec = (long)((at - (ev_tstamp)tv->tv_sec) * 1e6);
75}
76
77static ev_tstamp 69static ev_tstamp
78ev_tv_get (struct timeval *tv) 70ev_tv_get (struct timeval *tv)
79{ 71{
80 if (tv) 72 if (tv)
73 {
81 return tv->tv_sec + tv->tv_usec * 1e-6; 74 ev_tstamp after = tv->tv_sec + tv->tv_usec * 1e-6;
75 return after ? after : 1e-6;
76 }
82 else 77 else
83 return -1.; 78 return -1.;
84} 79}
85 80
86#define EVENT_VERSION(a,b) # a "." # b 81#define EVENT_STRINGIFY(s) # s
82#define EVENT_VERSION(a,b) EVENT_STRINGIFY (a) "." EVENT_STRINGIFY (b)
87 83
88const char *event_get_version (void) 84const char *event_get_version (void)
89{ 85{
86 /* returns ABI, not API or library, version */
90 return EVENT_VERSION (EV_VERSION_MAJOR, EV_VERSION_MINOR); 87 return EVENT_VERSION (EV_VERSION_MAJOR, EV_VERSION_MINOR);
91} 88}
92 89
93const char *event_get_method (void) 90const char *event_get_method (void)
94{ 91{
101 if (ev_x_cur) 98 if (ev_x_cur)
102 ev_x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO); 99 ev_x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO);
103 else 100 else
104 ev_x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO); 101 ev_x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO);
105#else 102#else
106 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !ev_x_cur)); 103 assert (("libev: multiple event bases not supported when not compiled with EV_MULTIPLICITY", !ev_x_cur));
107 104
108 ev_x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO); 105 ev_x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO);
109#endif 106#endif
110 107
111 return ev_x_cur; 108 return ev_x_cur;
144} 141}
145 142
146static void 143static void
147ev_x_cb (struct event *ev, int revents) 144ev_x_cb (struct event *ev, int revents)
148{ 145{
149 revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL; 146 revents &= EV_READ | EV_WRITE | EV_TIMER | EV_SIGNAL;
150 147
151 ev->ev_res = revents; 148 ev->ev_res = revents;
152 ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg); 149 ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg);
153} 150}
154 151
302 if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to)) 299 if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
303 { 300 {
304 revents |= EV_TIMEOUT; 301 revents |= EV_TIMEOUT;
305 302
306 if (tv) 303 if (tv)
307 ev_tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ 304 EV_TV_SET (tv, ev_now (EV_A)); /* not sure if this is right :) */
308 } 305 }
309 306
310 return events & revents; 307 return events & revents;
311} 308}
312 309
331 328
332int event_base_loop (struct event_base *base, int flags) 329int event_base_loop (struct event_base *base, int flags)
333{ 330{
334 dLOOPbase; 331 dLOOPbase;
335 332
336 ev_loop (EV_A_ flags); 333 ev_run (EV_A_ flags);
337 334
338 return 0; 335 return 0;
339} 336}
340 337
341int event_base_dispatch (struct event_base *base) 338int event_base_dispatch (struct event_base *base)
346static void 343static void
347ev_x_loopexit_cb (int revents, void *base) 344ev_x_loopexit_cb (int revents, void *base)
348{ 345{
349 dLOOPbase; 346 dLOOPbase;
350 347
351 ev_unloop (EV_A_ EVUNLOOP_ONE); 348 ev_break (EV_A_ EVBREAK_ONE);
352} 349}
353 350
354int event_base_loopexit (struct event_base *base, struct timeval *tv) 351int event_base_loopexit (struct event_base *base, struct timeval *tv)
355{ 352{
356 ev_tstamp after = ev_tv_get (tv); 353 ev_tstamp after = ev_tv_get (tv);

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