--- /dev/null
+/*****************************************************************************
+ * poll.c: poll() emulation for OS/2
+ *****************************************************************************
+ * Copyright © 2011 KO Myung-Hun <komh@chollian.et>
+ * Copyright © 2007 Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/time.h>
+
+#include <vlc_common.h>
+#include <vlc_network.h>
+
+int vlc_poll (struct pollfd *fds, unsigned nfds, int timeout)
+{
+ fd_set rdset;
+ fd_set wrset;
+ fd_set exset;
+ struct timeval tv = { 0, 0 };
+ int val;
+
+resume:
+ val = -1;
+ vlc_testcancel ();
+
+ FD_ZERO (&rdset);
+ FD_ZERO (&wrset);
+ FD_ZERO (&exset);
+ for (unsigned i = 0; i < nfds; i++)
+ {
+ int fd = fds[i].fd;
+
+ if (fds[i].fd >= FD_SETSIZE)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (val < fd)
+ val = fd;
+
+ if (fds[i].events & POLLIN)
+ FD_SET (fd, &rdset);
+ if (fds[i].events & POLLOUT)
+ FD_SET (fd, &wrset);
+ if (fds[i].events & POLLPRI)
+ FD_SET (fd, &exset);
+ }
+
+#ifndef HAVE_ALERTABLE_SELECT
+# warning FIXME! Fix cancellation and remove this crap.
+ if ((timeout < 0) || (timeout > 50))
+ {
+ tv.tv_sec = 0;
+ tv.tv_usec = 50000;
+ }
+ else
+#endif
+ if (timeout >= 0)
+ {
+ div_t d = div (timeout, 1000);
+ tv.tv_sec = d.quot;
+ tv.tv_usec = d.rem * 1000;
+ }
+
+ val = select (val + 1, &rdset, &wrset, &exset, &tv);
+
+#ifndef HAVE_ALERTABLE_SELECT
+ if (val == 0)
+ {
+ if (timeout > 0)
+ timeout -= (timeout > 50) ? 50 : timeout;
+ if (timeout != 0)
+ goto resume;
+ }
+#endif
+
+ if (val == -1)
+ return -1;
+
+ for (unsigned i = 0; i < nfds; i++)
+ {
+ int fd = fds[i].fd;
+ fds[i].revents = (FD_ISSET (fd, &rdset) ? POLLIN : 0)
+ | (FD_ISSET (fd, &wrset) ? POLLOUT : 0)
+ | (FD_ISSET (fd, &exset) ? POLLPRI : 0);
+ }
+ return val;
+}