diff options
Diffstat (limited to 'source4/lib/events/events.h')
-rw-r--r-- | source4/lib/events/events.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/source4/lib/events/events.h b/source4/lib/events/events.h new file mode 100644 index 00000000000..e3973c3c485 --- /dev/null +++ b/source4/lib/events/events.h @@ -0,0 +1,63 @@ +/* + Unix SMB/CIFS implementation. + + generalised event loop handling + + Copyright (C) Andrew Tridgell 2005 + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +struct event_context; +struct fd_event; +struct timed_event; + +/* event handler types */ +typedef void (*event_fd_handler_t)(struct event_context *, struct fd_event *, + uint16_t , void *); +typedef void (*event_timed_handler_t)(struct event_context *, struct timed_event *, + struct timeval , void *); + +struct event_context *event_context_init(TALLOC_CTX *mem_ctx); + +struct fd_event *event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx, + int fd, uint16_t flags, event_fd_handler_t handler, + void *private); + +struct timed_event *event_add_timed(struct event_context *ev, TALLOC_CTX *mem_ctx, + struct timeval next_event, + event_timed_handler_t handler, + void *private); + +int event_loop_once(struct event_context *ev); +int event_loop_wait(struct event_context *ev); + +uint16_t event_fd_flags(struct fd_event *fde); +void event_fd_setflags(struct fd_event *fde, uint16_t flags); + +/* bits for file descriptor event flags */ +#define EVENT_FD_READ 1 +#define EVENT_FD_WRITE 2 + +#define EVENT_FD_WRITEABLE(fde) \ + event_fd_setflags(fde, event_fd_flags(fde) | EVENT_FD_WRITE) +#define EVENT_FD_READABLE(fde) \ + event_fd_setflags(fde, event_fd_flags(fde) | EVENT_FD_READ) + +#define EVENT_FD_NOT_WRITEABLE(fde) \ + event_fd_setflags(fde, event_fd_flags(fde) & ~EVENT_FD_WRITE) +#define EVENT_FD_NOT_READABLE(fde) \ + event_fd_setflags(fde, event_fd_flags(fde) & ~EVENT_FD_WRITE) + |