1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/chromium/src/third_party/libevent/sample/time-test.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,107 @@
1.4 +/*
1.5 + * XXX This sample code was once meant to show how to use the basic Libevent
1.6 + * interfaces, but it never worked on non-Unix platforms, and some of the
1.7 + * interfaces have changed since it was first written. It should probably
1.8 + * be removed or replaced with something better.
1.9 + *
1.10 + * Compile with:
1.11 + * cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent
1.12 + */
1.13 +
1.14 +#include <sys/types.h>
1.15 +
1.16 +#include <event2/event-config.h>
1.17 +
1.18 +#include <sys/stat.h>
1.19 +#ifndef WIN32
1.20 +#include <sys/queue.h>
1.21 +#include <unistd.h>
1.22 +#endif
1.23 +#include <time.h>
1.24 +#ifdef _EVENT_HAVE_SYS_TIME_H
1.25 +#include <sys/time.h>
1.26 +#endif
1.27 +#include <fcntl.h>
1.28 +#include <stdlib.h>
1.29 +#include <stdio.h>
1.30 +#include <string.h>
1.31 +#include <errno.h>
1.32 +
1.33 +#include <event2/event.h>
1.34 +#include <event2/event_struct.h>
1.35 +#include <event2/util.h>
1.36 +
1.37 +#ifdef WIN32
1.38 +#include <winsock2.h>
1.39 +#endif
1.40 +
1.41 +struct timeval lasttime;
1.42 +
1.43 +int event_is_persistent;
1.44 +
1.45 +static void
1.46 +timeout_cb(evutil_socket_t fd, short event, void *arg)
1.47 +{
1.48 + struct timeval newtime, difference;
1.49 + struct event *timeout = arg;
1.50 + double elapsed;
1.51 +
1.52 + evutil_gettimeofday(&newtime, NULL);
1.53 + evutil_timersub(&newtime, &lasttime, &difference);
1.54 + elapsed = difference.tv_sec +
1.55 + (difference.tv_usec / 1.0e6);
1.56 +
1.57 + printf("timeout_cb called at %d: %.3f seconds elapsed.\n",
1.58 + (int)newtime.tv_sec, elapsed);
1.59 + lasttime = newtime;
1.60 +
1.61 + if (! event_is_persistent) {
1.62 + struct timeval tv;
1.63 + evutil_timerclear(&tv);
1.64 + tv.tv_sec = 2;
1.65 + event_add(timeout, &tv);
1.66 + }
1.67 +}
1.68 +
1.69 +int
1.70 +main(int argc, char **argv)
1.71 +{
1.72 + struct event timeout;
1.73 + struct timeval tv;
1.74 + struct event_base *base;
1.75 + int flags;
1.76 +
1.77 +#ifdef WIN32
1.78 + WORD wVersionRequested;
1.79 + WSADATA wsaData;
1.80 +
1.81 + wVersionRequested = MAKEWORD(2, 2);
1.82 +
1.83 + (void)WSAStartup(wVersionRequested, &wsaData);
1.84 +#endif
1.85 +
1.86 + if (argc == 2 && !strcmp(argv[1], "-p")) {
1.87 + event_is_persistent = 1;
1.88 + flags = EV_PERSIST;
1.89 + } else {
1.90 + event_is_persistent = 0;
1.91 + flags = 0;
1.92 + }
1.93 +
1.94 + /* Initalize the event library */
1.95 + base = event_base_new();
1.96 +
1.97 + /* Initalize one event */
1.98 + event_assign(&timeout, base, -1, flags, timeout_cb, (void*) &timeout);
1.99 +
1.100 + evutil_timerclear(&tv);
1.101 + tv.tv_sec = 2;
1.102 + event_add(&timeout, &tv);
1.103 +
1.104 + evutil_gettimeofday(&lasttime, NULL);
1.105 +
1.106 + event_base_dispatch(base);
1.107 +
1.108 + return (0);
1.109 +}
1.110 +
