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/* daemon/fds.h
*
* Interface to poll and fd handling
*
* Copyright 2009 Simtec Electronics
*
* For licence terms refer to the COPYING file.
*/
#ifndef DAEMON_FDS_H
#define DAEMON_FDS_H
typedef void (* ekeyfd_pollfunc_t)(int fd, short events, void *pw);
/** Add a filedescriptor to the poll set.
*
* @param fd The file descriptor to add.
* @param events The events to call the poll function for.
* @param func The private function to call when the fd events occour.
* @param pw The private data to pass to the poll function.
* @return The number of file descriptors allocated.
*/
int ekeyfd_add(int fd, short events, ekeyfd_pollfunc_t func, void *pw);
/** Remove a file descriptor from the poll set.
*
* @param fd The file descriptor to remove.
*/
int ekeyfd_rm(int fd);
/** Poll all file descriptors for activity.
*
* @param timeout How long to wait for activity.
* @return The number of file descriptors with processed events.
*/
int ekeyfd_poll(int timeout);
/** Set events associated with a file descriptor.
*/
void ekeyfd_set_events(int fd, short events);
/** Clear events associated with a file descriptor.
*/
void ekeyfd_clear_events(int fd, short events);
#endif
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