1 | /* |
1 | /* |
2 | * libevent compatibility layer |
2 | * libevent compatibility layer |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 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 | * |
… | |
… | |
45 | # include EV_EVENT_H |
45 | # include EV_EVENT_H |
46 | #else |
46 | #else |
47 | # include "event.h" |
47 | # include "event.h" |
48 | #endif |
48 | #endif |
49 | |
49 | |
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50 | /* same definition as in ev.c */ |
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51 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
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52 | |
50 | #if EV_MULTIPLICITY |
53 | #if EV_MULTIPLICITY |
51 | # 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 |
52 | # define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base |
55 | # define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base |
53 | #else |
56 | #else |
54 | # define dLOOPev |
57 | # define dLOOPev |
… | |
… | |
61 | int dummy; |
64 | int dummy; |
62 | }; |
65 | }; |
63 | |
66 | |
64 | static struct event_base *ev_x_cur; |
67 | static struct event_base *ev_x_cur; |
65 | |
68 | |
66 | static void |
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67 | ev_tv_set (struct timeval *tv, ev_tstamp at) |
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68 | { |
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69 | tv->tv_sec = (long)at; |
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70 | tv->tv_usec = (long)((at - (ev_tstamp)tv->tv_sec) * 1e6); |
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71 | } |
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72 | |
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73 | static ev_tstamp |
69 | static ev_tstamp |
74 | ev_tv_get (struct timeval *tv) |
70 | ev_tv_get (struct timeval *tv) |
75 | { |
71 | { |
76 | if (tv) |
72 | if (tv) |
77 | { |
73 | { |
… | |
… | |
145 | } |
141 | } |
146 | |
142 | |
147 | static void |
143 | static void |
148 | ev_x_cb (struct event *ev, int revents) |
144 | ev_x_cb (struct event *ev, int revents) |
149 | { |
145 | { |
150 | revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL; |
146 | revents &= EV_READ | EV_WRITE | EV_TIMER | EV_SIGNAL; |
151 | |
147 | |
152 | ev->ev_res = revents; |
148 | ev->ev_res = revents; |
153 | ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg); |
149 | ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg); |
154 | } |
150 | } |
155 | |
151 | |
… | |
… | |
303 | 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)) |
304 | { |
300 | { |
305 | revents |= EV_TIMEOUT; |
301 | revents |= EV_TIMEOUT; |
306 | |
302 | |
307 | if (tv) |
303 | if (tv) |
308 | 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 :) */ |
309 | } |
305 | } |
310 | |
306 | |
311 | return events & revents; |
307 | return events & revents; |
312 | } |
308 | } |
313 | |
309 | |
… | |
… | |
332 | |
328 | |
333 | int event_base_loop (struct event_base *base, int flags) |
329 | int event_base_loop (struct event_base *base, int flags) |
334 | { |
330 | { |
335 | dLOOPbase; |
331 | dLOOPbase; |
336 | |
332 | |
337 | ev_loop (EV_A_ flags); |
333 | ev_run (EV_A_ flags); |
338 | |
334 | |
339 | return 0; |
335 | return 0; |
340 | } |
336 | } |
341 | |
337 | |
342 | int event_base_dispatch (struct event_base *base) |
338 | int event_base_dispatch (struct event_base *base) |
… | |
… | |
347 | static void |
343 | static void |
348 | ev_x_loopexit_cb (int revents, void *base) |
344 | ev_x_loopexit_cb (int revents, void *base) |
349 | { |
345 | { |
350 | dLOOPbase; |
346 | dLOOPbase; |
351 | |
347 | |
352 | ev_unloop (EV_A_ EVUNLOOP_ONE); |
348 | ev_break (EV_A_ EVBREAK_ONE); |
353 | } |
349 | } |
354 | |
350 | |
355 | int event_base_loopexit (struct event_base *base, struct timeval *tv) |
351 | int event_base_loopexit (struct event_base *base, struct timeval *tv) |
356 | { |
352 | { |
357 | ev_tstamp after = ev_tv_get (tv); |
353 | ev_tstamp after = ev_tv_get (tv); |