1 /*
2  * This is free and unencumbered software released into the public domain.
3  *
4  * Anyone is free to copy, modify, publish, use, compile, sell, or
5  * distribute this software, either in source code form or as a compiled
6  * binary, for any purpose, commercial or non-commercial, and by any
7  * means.
8  *
9  * In jurisdictions that recognize copyright laws, the author or authors
10  * of this software dedicate any and all copyright interest in the
11  * software to the public domain. We make this dedication for the benefit
12  * of the public at large and to the detriment of our heirs and
13  * successors. We intend this dedication to be an overt act of
14  * relinquishment in perpetuity of all present and future rights to this
15  * software under copyright law.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 struct timeval;
27 
28 #define EV_READ		0x1
29 #define EV_WRITE	0x2
30 #define EV_SIGNAL	0x4
31 #define EV_TIMEOUT	0x8
32 
33 int		ev_init(void);
34 int		ev_add(int, int, void(*)(int, int, void *), void *);
35 int		ev_signal(int, void(*)(int, int, void * ), void *);
36 unsigned int	ev_timer(const struct timeval *, void(*)(int, int, void *),
37 		    void *);
38 int		ev_timer_pending(unsigned int);
39 int		ev_timer_cancel(unsigned int);
40 int		ev_del(int);
41 int		ev_step(void);
42 int		ev_step(void);
43 int		ev_loop(void);
44 void		ev_break(void);