xref: /minix3/external/bsd/libevent/dist/test/test-time.c (revision e985b929927b5932e3b68f4b50587d458900107a)
1 /*	$NetBSD: test-time.c,v 1.1.1.1 2013/04/11 16:43:33 christos Exp $	*/
2 /*
3  * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
4  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #include "event2/event-config.h"
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: test-time.c,v 1.1.1.1 2013/04/11 16:43:33 christos Exp $");
31 
32 #include <sys/types.h>
33 #include <sys/stat.h>
34 #include <fcntl.h>
35 #include <stdlib.h>
36 #include <stdio.h>
37 #include <string.h>
38 #ifndef WIN32
39 #include <unistd.h>
40 #include <sys/time.h>
41 #endif
42 #include <errno.h>
43 
44 #include "event2/event.h"
45 #include "event2/event_compat.h"
46 #include "event2/event_struct.h"
47 
48 int called = 0;
49 
50 #define NEVENT	20000
51 
52 struct event *ev[NEVENT];
53 
54 static int
rand_int(int n)55 rand_int(int n)
56 {
57 #ifdef WIN32
58 	return (int)(rand() % n);
59 #else
60 	return (int)(random() % n);
61 #endif
62 }
63 
64 static void
time_cb(evutil_socket_t fd,short event,void * arg)65 time_cb(evutil_socket_t fd, short event, void *arg)
66 {
67 	struct timeval tv;
68 	int i, j;
69 
70 	called++;
71 
72 	if (called < 10*NEVENT) {
73 		for (i = 0; i < 10; i++) {
74 			j = rand_int(NEVENT);
75 			tv.tv_sec = 0;
76 			tv.tv_usec = rand_int(50000);
77 			if (tv.tv_usec % 2)
78 				evtimer_add(ev[j], &tv);
79 			else
80 				evtimer_del(ev[j]);
81 		}
82 	}
83 }
84 
85 int
main(int argc,char ** argv)86 main(int argc, char **argv)
87 {
88 	struct timeval tv;
89 	int i;
90 #ifdef WIN32
91 	WORD wVersionRequested;
92 	WSADATA wsaData;
93 
94 	wVersionRequested = MAKEWORD(2, 2);
95 
96 	(void) WSAStartup(wVersionRequested, &wsaData);
97 #endif
98 
99 	/* Initalize the event library */
100 	event_init();
101 
102 	for (i = 0; i < NEVENT; i++) {
103 		ev[i] = malloc(sizeof(struct event));
104 
105 		/* Initalize one event */
106 		evtimer_set(ev[i], time_cb, ev[i]);
107 		tv.tv_sec = 0;
108 		tv.tv_usec = rand_int(50000);
109 		evtimer_add(ev[i], &tv);
110 	}
111 
112 	event_dispatch();
113 
114 	return (called < NEVENT);
115 }
116 
117