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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /ipc/chromium/src/third_party/libevent/sample/time-test.c | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'ipc/chromium/src/third_party/libevent/sample/time-test.c')
-rw-r--r-- | ipc/chromium/src/third_party/libevent/sample/time-test.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/ipc/chromium/src/third_party/libevent/sample/time-test.c b/ipc/chromium/src/third_party/libevent/sample/time-test.c new file mode 100644 index 000000000..77d4e206a --- /dev/null +++ b/ipc/chromium/src/third_party/libevent/sample/time-test.c @@ -0,0 +1,107 @@ +/* + * XXX This sample code was once meant to show how to use the basic Libevent + * interfaces, but it never worked on non-Unix platforms, and some of the + * interfaces have changed since it was first written. It should probably + * be removed or replaced with something better. + * + * Compile with: + * cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent + */ + +#include <sys/types.h> + +#include <event2/event-config.h> + +#include <sys/stat.h> +#ifndef WIN32 +#include <sys/queue.h> +#include <unistd.h> +#endif +#include <time.h> +#ifdef _EVENT_HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> + +#include <event2/event.h> +#include <event2/event_struct.h> +#include <event2/util.h> + +#ifdef WIN32 +#include <winsock2.h> +#endif + +struct timeval lasttime; + +int event_is_persistent; + +static void +timeout_cb(evutil_socket_t fd, short event, void *arg) +{ + struct timeval newtime, difference; + struct event *timeout = arg; + double elapsed; + + evutil_gettimeofday(&newtime, NULL); + evutil_timersub(&newtime, &lasttime, &difference); + elapsed = difference.tv_sec + + (difference.tv_usec / 1.0e6); + + printf("timeout_cb called at %d: %.3f seconds elapsed.\n", + (int)newtime.tv_sec, elapsed); + lasttime = newtime; + + if (! event_is_persistent) { + struct timeval tv; + evutil_timerclear(&tv); + tv.tv_sec = 2; + event_add(timeout, &tv); + } +} + +int +main(int argc, char **argv) +{ + struct event timeout; + struct timeval tv; + struct event_base *base; + int flags; + +#ifdef WIN32 + WORD wVersionRequested; + WSADATA wsaData; + + wVersionRequested = MAKEWORD(2, 2); + + (void)WSAStartup(wVersionRequested, &wsaData); +#endif + + if (argc == 2 && !strcmp(argv[1], "-p")) { + event_is_persistent = 1; + flags = EV_PERSIST; + } else { + event_is_persistent = 0; + flags = 0; + } + + /* Initalize the event library */ + base = event_base_new(); + + /* Initalize one event */ + event_assign(&timeout, base, -1, flags, timeout_cb, (void*) &timeout); + + evutil_timerclear(&tv); + tv.tv_sec = 2; + event_add(&timeout, &tv); + + evutil_gettimeofday(&lasttime, NULL); + + event_base_dispatch(base); + + return (0); +} + |