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95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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generalised event loop handling
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Copyright (C) Andrew Tridgell 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __EVENTS_H__
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#define __EVENTS_H__
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#include "talloc/talloc.h"
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#include <stdlib.h>
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struct event_context;
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struct event_ops;
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struct fd_event;
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struct timed_event;
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struct aio_event;
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struct signal_event;
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/* event handler types */
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typedef void (*event_fd_handler_t)(struct event_context *, struct fd_event *,
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uint16_t , void *);
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typedef void (*event_timed_handler_t)(struct event_context *, struct timed_event *,
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struct timeval , void *);
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typedef void (*event_signal_handler_t)(struct event_context *, struct signal_event *,
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int , int, void *, void *);
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typedef void (*event_aio_handler_t)(struct event_context *, struct aio_event *,
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int, void *);
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struct event_context *event_context_init(TALLOC_CTX *mem_ctx);
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struct event_context *event_context_init_byname(TALLOC_CTX *mem_ctx, const char *name);
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const char **event_backend_list(TALLOC_CTX *mem_ctx);
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void event_set_default_backend(const char *backend);
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struct fd_event *event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx,
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int fd, uint16_t flags, event_fd_handler_t handler,
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void *private);
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struct timed_event *event_add_timed(struct event_context *ev, TALLOC_CTX *mem_ctx,
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struct timeval next_event,
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event_timed_handler_t handler,
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void *private);
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struct signal_event *event_add_signal(struct event_context *ev, TALLOC_CTX *mem_ctx,
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int signum, int sa_flags,
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event_signal_handler_t handler,
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void *private);
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struct iocb;
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struct aio_event *event_add_aio(struct event_context *ev,
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TALLOC_CTX *mem_ctx,
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struct iocb *iocb,
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event_aio_handler_t handler,
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void *private);
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int event_loop_once(struct event_context *ev);
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int event_loop_wait(struct event_context *ev);
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uint16_t event_get_fd_flags(struct fd_event *fde);
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void event_set_fd_flags(struct fd_event *fde, uint16_t flags);
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struct event_context *event_context_find(TALLOC_CTX *mem_ctx);
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/* bits for file descriptor event flags */
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#define EVENT_FD_READ 1
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#define EVENT_FD_WRITE 2
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#define EVENT_FD_AUTOCLOSE 4
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#define EVENT_FD_WRITEABLE(fde) \
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event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_WRITE)
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#define EVENT_FD_READABLE(fde) \
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event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_READ)
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#define EVENT_FD_NOT_WRITEABLE(fde) \
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event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_WRITE)
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#define EVENT_FD_NOT_READABLE(fde) \
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event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_READ)
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#endif /* __EVENTS_H__ */
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