1 /* event.c -- event management stuff
3 * author: hackbard@hackdaworld.dyndns.org
9 int event_init(t_event *event,int outfd) {
11 dprintf(outfd,"[event] initializing event system ...\n");
17 FD_ZERO(&(event->rfds));
18 FD_ZERO(&(event->rfds_o));
19 FD_ZERO(&(event->wfds));
20 FD_ZERO(&(event->wfds_o));
25 int event_math(int fd,t_event *event,char rw,char ar) {
28 if(rw==READ) FD_SET(fd,&(event->rfds_o));
29 else FD_SET(fd,&(event->wfds_o));
30 if(fd>event->maxfd) event->maxfd=fd;
32 if(rw==READ) FD_CLR(fd,&(event->rfds_o));
33 else FD_CLR(fd,&(event->wfds_o));
34 if(fd==event->maxfd) event->maxfd-=1;
37 dprintf(event->outfd,"[event] %c fd %d to %c file descriptor set\n",
38 ar==ADD?'+':'-',fd,rw==READ?'r':'w');
43 int event_start(t_event *event,void *ptr,
44 int (*callback0)(t_event *event,void *ptr),
45 int (*callback1)(t_event *event,void *ptr)) {
50 /* switch on event system */
51 event->status=ENABLED;
53 while(event->status&ENABLED) {
55 event->rfds=event->rfds_o;
56 event->wfds=event->wfds_o;
59 if((s_ret=select(event->maxfd+1,&(event->rfds),&(event->wfds),NULL,
61 perror("[event] select call");
66 /* 1+ fd(s) available for reading/writing */
67 if(callback0(event,ptr)==CALLBACK_ERROR) {
68 dprintf(event->outfd,"[event] callback0 returned error\n");
73 /* usual stuff to be executed */
74 if(callback1(event,ptr)==CALLBACK_ERROR) {
75 dprintf(event->outfd,"[event] callback returned error\n");
84 int event_stop(t_event *event) {
86 dprintf(event->outfd,"[event] shutdown\n");
87 event->status=DISABLED;