diff options
Diffstat (limited to 'include/clplumbing/cl_poll.h')
-rw-r--r-- | include/clplumbing/cl_poll.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/clplumbing/cl_poll.h b/include/clplumbing/cl_poll.h new file mode 100644 index 0000000..1b1908f --- /dev/null +++ b/include/clplumbing/cl_poll.h @@ -0,0 +1,46 @@ +/* + * 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 |