sys/kern/sys_eventfd.c

36  * eventfd
44  * This implementation is API compatible with the Linux eventfd(2)
51 #include <sys/eventfd.h>
63 struct eventfd {
87  *	Create an eventfd object.
89 static struct eventfd *
92 	struct eventfd * const efd = kmem_zalloc(sizeof(*efd), KM_SLEEP);
111  *	Destroy an eventfd object.
114 eventfd_destroy(struct eventfd * const efd)
133  *	Block on an eventfd.  Handles non-blocking, as well as
137 eventfd_wait(struct eventfd * const efd, int const fflag, bool const is_write)
181  *	Wake LWPs block on an eventfd.
184 eventfd_wake(struct eventfd * const efd, bool const is_write)
204  * eventfd file operations
211 	struct eventfd * const efd = fp->f_eventfd;
251 	struct eventfd * const efd = fp->f_eventfd;
301 	struct eventfd * const efd = fp->f_eventfd;
319 		 * FIONSPACE doesn't really work for eventfd, because the
334 	struct eventfd * const efd = fp->f_eventfd;
338 	 * Note that Linux will return POLLERR if the eventfd count
343 	 * Also note that the Linux eventfd(2) man page does not
374 	struct eventfd * const efd = fp->f_eventfd;
396 	struct eventfd * const efd = fp->f_eventfd;
407 	struct eventfd * const efd = ((file_t *)kn->kn_obj)->f_eventfd;
418 	struct eventfd * const efd = ((file_t *)kn->kn_obj)->f_eventfd;
446 	struct eventfd * const efd = ((file_t *)kn->kn_obj)->f_eventfd;
457 	struct eventfd * const efd = ((file_t *)kn->kn_obj)->f_eventfd;
485 	struct eventfd * const efd = ((file_t *)kn->kn_obj)->f_eventfd;
515 	struct eventfd * const efd = fp->f_eventfd;
534 	.fo_name = "eventfd",
547  * eventfd(2) system call