2 ashd - A Sane HTTP Daemon
3 Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include <sys/select.h>
35 struct blocker *n, *p;
42 static struct blocker *blockers;
44 int block(int fd, int ev, time_t to)
53 bl->to = time(NULL) + to;
72 fd_set rfds, wfds, efds;
73 struct blocker *bl, *nbl;
79 while(blockers != NULL) {
86 for(bl = blockers; bl; bl = bl->n) {
88 FD_SET(bl->fd, &rfds);
90 FD_SET(bl->fd, &wfds);
91 FD_SET(bl->fd, &efds);
94 if((bl->to != 0) && ((timeout == 0) || (timeout > bl->to)))
97 toval.tv_sec = timeout - now;
99 ret = select(maxfd + 1, &rfds, &wfds, &efds, timeout?(&toval):NULL);
102 flog(LOG_CRIT, "ioloop: select errored out: %s", strerror(errno));
103 /* To avoid CPU hogging in case it's bad, which it
109 for(bl = blockers; bl; bl = nbl) {
112 if(FD_ISSET(bl->fd, &rfds))
114 if(FD_ISSET(bl->fd, &wfds))
116 if(FD_ISSET(bl->fd, &efds))
120 else if((bl->to != 0) && (bl->to <= now))