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/*
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>
#include <sys/time.h>
struct tevent_context;
struct tevent_ops;
struct tevent_fd;
struct tevent_timer;
struct tevent_aio;
struct tevent_signal;
/* event handler types */
typedef void (*tevent_fd_handler_t)(struct tevent_context *ev,
struct tevent_fd *fde,
uint16_t flags,
void *private_data);
typedef void (*tevent_fd_close_fn_t)(struct tevent_context *ev,
struct tevent_fd *fde,
int fd,
void *private_data);
typedef void (*tevent_timer_handler_t)(struct tevent_context *ev,
struct tevent_timer *te,
struct timeval current_time,
void *private_data);
typedef void (*tevent_signal_handler_t)(struct tevent_context *ev,
struct tevent_signal *se,
int signum,
int count,
void *siginfo,
void *private_data);
typedef void (*tevent_aio_handler_t)(struct tevent_context *ev,
struct tevent_aio *ae,
int ret,
void *private_data);
struct tevent_context *tevent_context_init(TALLOC_CTX *mem_ctx);
struct tevent_context *tevent_context_init_byname(TALLOC_CTX *mem_ctx, const char *name);
const char **tevent_backend_list(TALLOC_CTX *mem_ctx);
void tevent_set_default_backend(const char *backend);
struct tevent_fd *_tevent_add_fd(struct tevent_context *ev,
TALLOC_CTX *mem_ctx,
int fd,
uint16_t flags,
tevent_fd_handler_t handler,
void *private_data,
const char *handler_name,
const char *location);
#define tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
_tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data, \
#handler, __location__)
struct tevent_timer *_tevent_add_timer(struct tevent_context *ev,
TALLOC_CTX *mem_ctx,
struct timeval next_event,
tevent_timer_handler_t handler,
void *private_data,
const char *handler_name,
const char *location);
#define tevent_add_timer(ev, mem_ctx, next_event, handler, private_data) \
_tevent_add_timer(ev, mem_ctx, next_event, handler, private_data, \
#handler, __location__)
struct tevent_signal *_tevent_add_signal(struct tevent_context *ev,
TALLOC_CTX *mem_ctx,
int signum,
int sa_flags,
tevent_signal_handler_t handler,
void *private_data,
const char *handler_name,
const char *location);
#define tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
_tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data, \
#handler, __location__)
struct iocb;
struct tevent_aio *_tevent_add_aio(struct tevent_context *ev,
TALLOC_CTX *mem_ctx,
struct iocb *iocb,
tevent_aio_handler_t handler,
void *private_data,
const char *handler_name,
const char *location);
#define tevent_add_aio(ev, mem_ctx, iocb, handler, private_data) \
_tevent_add_aio(ev, mem_ctx, iocb, handler, private_data, \
#handler, __location__)
int tevent_loop_once(struct tevent_context *ev);
int tevent_loop_wait(struct tevent_context *ev);
void tevent_fd_set_close_fn(struct tevent_fd *fde,
tevent_fd_close_fn_t close_fn);
void tevent_fd_set_auto_close(struct tevent_fd *fde);
uint16_t tevent_fd_get_flags(struct tevent_fd *fde);
void tevent_fd_set_flags(struct tevent_fd *fde, uint16_t flags);
/* bits for file descriptor event flags */
#define TEVENT_FD_READ 1
#define TEVENT_FD_WRITE 2
#define TEVENT_FD_WRITEABLE(fde) \
tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) | TEVENT_FD_WRITE)
#define TEVENT_FD_READABLE(fde) \
tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) | TEVENT_FD_READ)
#define TEVENT_FD_NOT_WRITEABLE(fde) \
tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) & ~TEVENT_FD_WRITE)
#define TEVENT_FD_NOT_READABLE(fde) \
tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) & ~TEVENT_FD_READ)
/* DEBUG */
enum tevent_debug_level {
TEVENT_DEBUG_FATAL,
TEVENT_DEBUG_ERROR,
TEVENT_DEBUG_WARNING,
TEVENT_DEBUG_TRACE
};
int tevent_set_debug(struct tevent_context *ev,
void (*debug)(void *context,
enum tevent_debug_level level,
const char *fmt,
va_list ap) PRINTF_ATTRIBUTE(3,0),
void *context);
int tevent_set_debug_stderr(struct tevent_context *ev);
#ifdef TEVENT_COMPAT_DEFINES
#define event_context tevent_context
#define event_ops tevent_ops
#define fd_event tevent_fd
#define timed_event tevent_timer
#define aio_event tevent_aio
#define signal_event tevent_signal
#define event_fd_handler_t tevent_fd_handler_t
#define event_timed_handler_t tevent_timer_handler_t
#define event_aio_handler_t tevent_aio_handler_t
#define event_signal_handler_t tevent_signal_handler_t
#define event_context_init(mem_ctx) \
tevent_context_init(mem_ctx)
#define event_context_init_byname(mem_ctx, name) \
tevent_context_init_byname(mem_ctx, name)
#define event_backend_list(mem_ctx) \
tevent_backend_list(mem_ctx)
#define event_set_default_backend(backend) \
tevent_set_default_backend(backend)
#define event_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data)
#define event_add_timed(ev, mem_ctx, next_event, handler, private_data) \
tevent_add_timer(ev, mem_ctx, next_event, handler, private_data)
#define event_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data)
#define event_add_aio(ev, mem_ctx, iocb, handler, private_data) \
tevent_add_aio(ev, mem_ctx, iocb, handler, private_data)
#define event_loop_once(ev) \
tevent_loop_once(ev)
#define event_loop_wait(ev) \
tevent_loop_wait(ev)
#define event_get_fd_flags(fde) \
tevent_fd_get_flags(fde)
#define event_set_fd_flags(fde, flags) \
tevent_fd_set_flags(fde, flags)
#define EVENT_FD_READ TEVENT_FD_READ
#define EVENT_FD_WRITE TEVENT_FD_WRITE
#define EVENT_FD_WRITEABLE(fde) \
TEVENT_FD_WRITEABLE(fde)
#define EVENT_FD_READABLE(fde) \
TEVENT_FD_READABLE(fde)
#define EVENT_FD_NOT_WRITEABLE(fde) \
TEVENT_FD_NOT_WRITEABLE(fde)
#define EVENT_FD_NOT_READABLE(fde) \
TEVENT_FD_NOT_READABLE(fde)
#define ev_debug_level tevent_debug_level
#define EV_DEBUG_FATAL TEVENT_DEBUG_FATAL
#define EV_DEBUG_ERROR TEVENT_DEBUG_ERROR
#define EV_DEBUG_WARNING TEVENT_DEBUG_WARNING
#define EV_DEBUG_TRACE TEVENT_DEBUG_TRACE
#define ev_set_debug(ev, debug, context) \
tevent_set_debug(ev, debug, context)
#define ev_set_debug_stderr(_ev) tevent_set_debug_stderr(ev)
#endif /* TEVENT_COMPAT_DEFINES */
#endif /* __TEVENT_H__ */
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