2 * XXX This sample code was once meant to show how to use the basic Libevent
3 * interfaces, but it never worked on non-Unix platforms, and some of the
4 * interfaces have changed since it was first written. It should probably
5 * be removed or replaced with something better.
8 * cc -I/usr/local/include -o event-test event-test.c -L/usr/local/lib -levent
11 #include <event2/event-config.h>
13 #include <sys/types.h>
16 #include <sys/queue.h>
32 fifo_read(int fd, short event, void *arg)
36 struct event *ev = arg;
41 /* Reschedule this event */
44 fprintf(stderr, "fifo_read called with fd: %d, event: %d, arg: %p\n",
47 len = ReadFile((HANDLE)fd, buf, sizeof(buf) - 1, &dwBytesRead, NULL);
49 /* Check for end of file. */
50 if (len && dwBytesRead == 0) {
51 fprintf(stderr, "End Of File");
56 buf[dwBytesRead] = '\0';
58 len = read(fd, buf, sizeof(buf) - 1);
63 } else if (len == 0) {
64 fprintf(stderr, "Connection closed\n");
70 fprintf(stdout, "Read: %s\n", buf);
74 main(int argc, char **argv)
80 socket = CreateFileA("test.txt", /* open File */
81 GENERIC_READ, /* open for reading */
83 NULL, /* no security */
84 OPEN_EXISTING, /* existing file only */
85 FILE_ATTRIBUTE_NORMAL, /* normal file */
86 NULL); /* no attr. template */
88 if (socket == INVALID_HANDLE_VALUE)
93 const char *fifo = "event.fifo";
96 if (lstat(fifo, &st) == 0) {
97 if ((st.st_mode & S_IFMT) == S_IFREG) {
105 if (mkfifo(fifo, 0600) == -1) {
110 /* Linux pipes are broken, we need O_RDWR instead of O_RDONLY */
112 socket = open(fifo, O_RDWR | O_NONBLOCK, 0);
114 socket = open(fifo, O_RDONLY | O_NONBLOCK, 0);
122 fprintf(stderr, "Write data to %s\n", fifo);
124 /* Initalize the event library */
127 /* Initalize one event */
129 event_set(&evfifo, (int)socket, EV_READ, fifo_read, &evfifo);
131 event_set(&evfifo, socket, EV_READ, fifo_read, &evfifo);
134 /* Add it to the active events, without a timeout */
135 event_add(&evfifo, NULL);