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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* s_bsd_devpoll.c: /dev/poll compatible network routines. |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Originally by Adrian Chadd <adrian@creative.net.au> |
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* Copyright (C) 2002 Hybrid Development Team |
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* Copyright (c) 2001-2015 ircd-hybrid development team |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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* |
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* $Id$ |
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*/ |
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|
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/*! \file s_bsd_devpoll.c |
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* \brief /dev/poll compatible network routines. |
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* \version $Id$ |
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*/ |
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#include "stdinc.h" |
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#if USE_IOPOLL_MECHANISM == __IOPOLL_MECHANISM_DEVPOLL |
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#include <sys/ioctl.h> |
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/* HPUX uses devpoll.h and not sys/devpoll.h */ |
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#ifdef HAVE_DEVPOLL_H |
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#include "fdlist.h" |
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#include "ircd.h" |
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#include "s_bsd.h" |
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#include "s_log.h" |
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#include "log.h" |
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static fde_t dpfd; |
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if ((fd = open("/dev/poll", O_RDWR)) < 0) |
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{ |
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ilog(L_CRIT, "init_netio: Couldn't open /dev/poll - %d: %s", |
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ilog(LOG_TYPE_IRCD, "init_netio: Couldn't open /dev/poll - %d: %s", |
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errno, strerror(errno)); |
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exit(115); /* Whee! */ |
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} |
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/* Write the thing to our poll fd */ |
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if (write(dpfd.fd, &pfd, sizeof(pfd)) != sizeof(pfd)) |
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ilog(L_NOTICE, "devpoll_write_update: dpfd write failed %d: %s", |
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ilog(LOG_TYPE_IRCD, "devpoll_write_update: dpfd write failed %d: %s", |
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errno, strerror(errno)); |
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} |
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* and deregister interest in a pending IO state for a given FD. |
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*/ |
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void |
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comm_setselect(fde_t *F, unsigned int type, PF *handler, |
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comm_setselect(fde_t *F, unsigned int type, void (*handler)(fde_t *, void *), |
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void *client_data, time_t timeout) |
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{ |
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int new_events; |
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F->write_data = client_data; |
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} |
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new_events = (F->read_handler ? POLLRDNORM : 0) | |
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(F->write_handler ? POLLWRNORM : 0); |
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new_events = (F->read_handler ? POLLIN : 0) | |
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(F->write_handler ? POLLOUT : 0); |
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if (timeout != 0) |
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{ |
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F->timeout = CurrentTime + (timeout / 1000); |
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F->timeout_handler = handler; |
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F->timeout_data = client_data; |
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} |
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if (new_events != F->evcache) |
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{ |
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int num, i; |
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struct pollfd pollfds[128]; |
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struct dvpoll dopoll; |
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PF *hdl; |
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void (*hdl)(fde_t *, void *); |
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fde_t *F; |
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dopoll.dp_timeout = SELECT_DELAY; |
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if (F == NULL || !F->flags.open) |
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continue; |
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if ((dopoll.dp_fds[i].revents & (POLLRDNORM | POLLIN | POLLHUP | POLLERR))) |
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if ((dopoll.dp_fds[i].revents & POLLIN)) |
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{ |
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if ((hdl = F->read_handler) != NULL) |
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{ |
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F->read_handler = NULL; |
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if (!F->flags.open) |
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continue; |
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} |
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} |
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if ((dopoll.dp_fds[i].revents & (POLLWRNORM | POLLOUT | POLLHUP | POLLERR))) |
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if ((hdl = F->write_handler) != NULL) |
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if ((dopoll.dp_fds[i].revents & POLLOUT)) |
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{ |
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if ((hdl = F->write_handler) != NULL) |
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{ |
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F->write_handler = NULL; |
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hdl(F, F->write_data); |
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if (!F->flags.open) |
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continue; |
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} |
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} |
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comm_setselect(F, 0, NULL, NULL, 0); |
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} |
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} |
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#endif |
