remove old / modified copy of libosmocore (will be replaced with new)

[osmocom-bb.git] / src / shared / libosmocore / src / select.c

diff --git a/src/shared/libosmocore/src/select.c b/src/shared/libosmocore/src/select.c
deleted file mode 100644 (file)
index 2f6afa7..0000000
--- a/src/shared/libosmocore/src/select.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/* select filedescriptor handling, taken from:
- * userspace logging daemon for the iptables ULOG target
- * of the linux 2.4 netfilter subsystem.
- *
- * (C) 2000-2009 by Harald Welte <laforge@gnumonks.org>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 
- *  as published by the Free Software Foundation
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <fcntl.h>
-#include <osmocore/select.h>
-#include <osmocore/linuxlist.h>
-#include <osmocore/timer.h>
-
-#include "../config.h"
-
-#ifdef HAVE_SYS_SELECT_H
-
-static int maxfd = 0;
-static LLIST_HEAD(bsc_fds);
-static int unregistered_count;
-
-int bsc_register_fd(struct bsc_fd *fd)
-{
-       int flags;
-
-       /* make FD nonblocking */
-       flags = fcntl(fd->fd, F_GETFL);
-       if (flags < 0)
-               return flags;
-       flags |= O_NONBLOCK;
-       flags = fcntl(fd->fd, F_SETFL, flags);
-       if (flags < 0)
-               return flags;
-
-       /* Register FD */
-       if (fd->fd > maxfd)
-               maxfd = fd->fd;
-
-       llist_add_tail(&fd->list, &bsc_fds);
-
-       return 0;
-}
-
-void bsc_unregister_fd(struct bsc_fd *fd)
-{
-       unregistered_count++;
-       llist_del(&fd->list);
-}
-
-int bsc_select_main(int polling)
-{
-       struct bsc_fd *ufd, *tmp;
-       fd_set readset, writeset, exceptset;
-       int work = 0, rc;
-       struct timeval no_time = {0, 0};
-
-       FD_ZERO(&readset);
-       FD_ZERO(&writeset);
-       FD_ZERO(&exceptset);
-
-       /* prepare read and write fdsets */
-       llist_for_each_entry(ufd, &bsc_fds, list) {
-               if (ufd->when & BSC_FD_READ)
-                       FD_SET(ufd->fd, &readset);
-
-               if (ufd->when & BSC_FD_WRITE)
-                       FD_SET(ufd->fd, &writeset);
-
-               if (ufd->when & BSC_FD_EXCEPT)
-                       FD_SET(ufd->fd, &exceptset);
-       }
-
-       bsc_timer_check();
-
-       if (!polling)
-               bsc_prepare_timers();
-       rc = select(maxfd+1, &readset, &writeset, &exceptset, polling ? &no_time : bsc_nearest_timer());
-       if (rc < 0)
-               return 0;
-
-       /* fire timers */
-       bsc_update_timers();
-
-       /* call registered callback functions */
-restart:
-       unregistered_count = 0;
-       llist_for_each_entry_safe(ufd, tmp, &bsc_fds, list) {
-               int flags = 0;
-
-               if (FD_ISSET(ufd->fd, &readset)) {
-                       flags |= BSC_FD_READ;
-                       FD_CLR(ufd->fd, &readset);
-               }
-
-               if (FD_ISSET(ufd->fd, &writeset)) {
-                       flags |= BSC_FD_WRITE;
-                       FD_CLR(ufd->fd, &writeset);
-               }
-
-               if (FD_ISSET(ufd->fd, &exceptset)) {
-                       flags |= BSC_FD_EXCEPT;
-                       FD_CLR(ufd->fd, &exceptset);
-               }
-
-               if (flags) {
-                       work = 1;
-                       ufd->cb(ufd, flags);
-               }
-               /* ugly, ugly hack. If more than one filedescriptors were
-                * unregistered, they might have been consecutive and
-                * llist_for_each_entry_safe() is no longer safe */
-               /* this seems to happen with the last element of the list as well */
-               if (unregistered_count >= 1)
-                       goto restart;
-       }
-       return work;
-}
-
-#endif /* _HAVE_SYS_SELECT_H */