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/* $Id: cl_poll.h,v 1.6 2005/07/28 08:20:05 sunjd Exp $ */ /* * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CLPLUMBING_CL_POLL_H # define CLPLUMBING_CL_POLL_H #include <glib.h> #include <sys/poll.h> /* * Poll the file descriptors described by the NFDS structures starting at * FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for * an event to occur; if TIMEOUT is -1, block until an event occurs. * Returns the number of file descriptors with events, zero if timed out, * or -1 for errors. * * When available, this function uses POSIX signals, and Linux F_SETSIG() * calls to provide this capability. When it is not available it * uses the real poll() call. * */ int cl_poll(struct pollfd *fds, unsigned int nfds, int timeout_ms); /* * Call cl_poll_ignore() when you close a file descriptor you monitored * via cl_poll() before, or if you don't want it monitored any more. */ int cl_poll_ignore(int fd); /* Select the signal you want us to use (must be a RT signal) */ int cl_poll_setsig(int nsig); int cl_glibpoll(GPollFD* ufds, guint nfsd, gint timeout); #endif