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Diffstat (limited to 'tevent/tevent.h')
-rw-r--r-- | tevent/tevent.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/tevent/tevent.h b/tevent/tevent.h new file mode 100644 index 00000000..1857f9bb --- /dev/null +++ b/tevent/tevent.h @@ -0,0 +1,98 @@ +/* + 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 3 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, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __TEVENT_H__ +#define __TEVENT_H__ + +#include <stdint.h> +#include <talloc.h> + +struct event_context; +struct event_ops; +struct fd_event; +struct timed_event; +struct aio_event; +struct signal_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 *); +typedef void (*event_signal_handler_t)(struct event_context *, struct signal_event *, + int , int, void *, void *); +typedef void (*event_aio_handler_t)(struct event_context *, struct aio_event *, + int, void *); + +#ifdef _SAMBA_BUILD_ +struct event_context *s4_event_context_init(TALLOC_CTX *mem_ctx); +#endif + +struct event_context *event_context_init(TALLOC_CTX *mem_ctx); +struct event_context *event_context_init_byname(TALLOC_CTX *mem_ctx, const char *name); +const char **event_backend_list(TALLOC_CTX *mem_ctx); +void event_set_default_backend(const char *backend); + +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_data); + +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_data); + +struct signal_event *event_add_signal(struct event_context *ev, TALLOC_CTX *mem_ctx, + int signum, int sa_flags, + event_signal_handler_t handler, + void *private_data); + +struct iocb; +struct aio_event *event_add_aio(struct event_context *ev, + TALLOC_CTX *mem_ctx, + struct iocb *iocb, + event_aio_handler_t handler, + void *private_data); + +int event_loop_once(struct event_context *ev); +int event_loop_wait(struct event_context *ev); + +uint16_t event_get_fd_flags(struct fd_event *fde); +void event_set_fd_flags(struct fd_event *fde, uint16_t flags); + +struct event_context *event_context_find(TALLOC_CTX *mem_ctx); + +/* bits for file descriptor event flags */ +#define EVENT_FD_READ 1 +#define EVENT_FD_WRITE 2 +#define EVENT_FD_AUTOCLOSE 4 + +#define EVENT_FD_WRITEABLE(fde) \ + event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_WRITE) +#define EVENT_FD_READABLE(fde) \ + event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_READ) + +#define EVENT_FD_NOT_WRITEABLE(fde) \ + event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_WRITE) +#define EVENT_FD_NOT_READABLE(fde) \ + event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_READ) + +#endif /* __TEVENT_H__ */ |