diff options
Diffstat (limited to 'framework/src/audit/src/libev/ev_poll.c')
| -rw-r--r-- | framework/src/audit/src/libev/ev_poll.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/framework/src/audit/src/libev/ev_poll.c b/framework/src/audit/src/libev/ev_poll.c deleted file mode 100644 index 48323516..00000000 --- a/framework/src/audit/src/libev/ev_poll.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * libev poll fd activity backend - * - * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modifica- - * tion, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- - * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO - * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- - * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- - * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Alternatively, the contents of this file may be used under the terms of - * the GNU General Public License ("GPL") version 2 or any later version, - * in which case the provisions of the GPL are applicable instead of - * the above. If you wish to allow the use of your version of this file - * only under the terms of the GPL and not to allow others to use your - * version of this file under the BSD license, indicate your decision - * by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL. If you do not delete the - * provisions above, a recipient may use your version of this file under - * either the BSD or the GPL. - */ - -#include <poll.h> - -void inline_size -pollidx_init (int *base, int count) -{ - /* consider using memset (.., -1, ...), which is practically guaranteed - * to work on all systems implementing poll */ - while (count--) - *base++ = -1; -} - -static void -poll_modify (EV_P_ int fd, int oev, int nev) -{ - int idx; - - if (oev == nev) - return; - - array_needsize (int, pollidxs, pollidxmax, fd + 1, pollidx_init); - - idx = pollidxs [fd]; - - if (idx < 0) /* need to allocate a new pollfd */ - { - pollidxs [fd] = idx = pollcnt++; - array_needsize (struct pollfd, polls, pollmax, pollcnt, EMPTY2); - polls [idx].fd = fd; - } - - assert (polls [idx].fd == fd); - - if (nev) - polls [idx].events = - (nev & EV_READ ? POLLIN : 0) - | (nev & EV_WRITE ? POLLOUT : 0); - else /* remove pollfd */ - { - pollidxs [fd] = -1; - - if (expect_true (idx < --pollcnt)) - { - polls [idx] = polls [pollcnt]; - pollidxs [polls [idx].fd] = idx; - } - } -} - -static void -poll_poll (EV_P_ ev_tstamp timeout) -{ - struct pollfd *p; - int res; - - EV_RELEASE_CB; - res = poll (polls, pollcnt, timeout * 1e3); - EV_ACQUIRE_CB; - - if (expect_false (res < 0)) - { - if (errno == EBADF) - fd_ebadf (EV_A); - else if (errno == ENOMEM && !syserr_cb) - fd_enomem (EV_A); - else if (errno != EINTR) - ev_syserr ("(libev) poll"); - } - else - for (p = polls; res; ++p) - { - assert (("libev: poll() returned illegal result, broken BSD kernel?", p < polls + pollcnt)); - - if (expect_false (p->revents)) /* this expect is debatable */ - { - --res; - - if (expect_false (p->revents & POLLNVAL)) - fd_kill (EV_A_ p->fd); - else - fd_event ( - EV_A_ - p->fd, - (p->revents & (POLLOUT | POLLERR | POLLHUP) ? EV_WRITE : 0) - | (p->revents & (POLLIN | POLLERR | POLLHUP) ? EV_READ : 0) - ); - } - } -} - -int inline_size -poll_init (EV_P_ int flags) -{ - backend_mintime = 1e-3; - backend_modify = poll_modify; - backend_poll = poll_poll; - - pollidxs = 0; pollidxmax = 0; - polls = 0; pollmax = 0; pollcnt = 0; - - return EVBACKEND_POLL; -} - -void inline_size -poll_destroy (EV_P) -{ - ev_free (pollidxs); - ev_free (polls); -} - |