mirror of
https://salsa.debian.org/ha-team/libqb
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92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/*
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* Copyright (C) 2012 Red Hat, Inc.
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*
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* Author: Angus Salkeld <asalkeld@redhat.com>
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*
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* This file is part of libqb.
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*
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* libqb is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* libqb 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libqb. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QB_LOOP_POLL_INT_DEFINED
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#define QB_LOOP_POLL_INT_DEFINED
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#include "os_base.h"
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#ifdef HAVE_SYS_POLL_H
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#include <sys/poll.h>
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#endif /* HAVE_SYS_POLL_H */
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#include <qb/qbdefs.h>
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#include <qb/qblist.h>
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#include <qb/qbarray.h>
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#include <qb/qbutil.h>
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#include "loop_int.h"
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#include "util_int.h"
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struct qb_poll_entry;
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typedef int32_t(*qb_poll_add_to_jobs_fn) (struct qb_loop * l,
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struct qb_poll_entry * pe);
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struct qb_poll_entry {
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struct qb_loop_item item;
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qb_loop_poll_dispatch_fn poll_dispatch_fn;
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enum qb_loop_priority p;
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uint32_t install_pos;
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struct pollfd ufd;
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qb_poll_add_to_jobs_fn add_to_jobs;
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uint32_t runs;
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enum qb_poll_entry_state state;
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uint32_t check;
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};
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struct qb_poll_source;
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struct qb_loop_driver {
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int32_t (*poll)(struct qb_loop_source* s, int32_t ms_timeout);
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void (*fini)(struct qb_poll_source *s);
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int32_t (*add)(struct qb_poll_source *s, struct qb_poll_entry *pe, int32_t fd, int32_t events);
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int32_t (*mod)(struct qb_poll_source *s, struct qb_poll_entry *pe, int32_t fd, int32_t events);
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int32_t (*del)(struct qb_poll_source *s, struct qb_poll_entry *pe, int32_t fd, int32_t arr_index);
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};
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struct qb_poll_source {
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struct qb_loop_source s;
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int32_t poll_entry_count;
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qb_array_t *poll_entries;
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qb_loop_poll_low_fds_event_fn low_fds_event_fn;
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int32_t not_enough_fds;
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#if defined(HAVE_EPOLL) || defined(HAVE_KQUEUE)
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int32_t epollfd;
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#else
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struct pollfd *ufds;
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#endif /* HAVE_EPOLL */
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struct qb_loop_driver driver;
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};
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void
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qb_poll_fds_usage_check_(struct qb_poll_source *s);
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int32_t
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qb_epoll_init(struct qb_poll_source *s);
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int32_t
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qb_poll_init(struct qb_poll_source *s);
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int32_t
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qb_kqueue_init(struct qb_poll_source *s);
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#endif /* QB_LOOP_POLL_INT_DEFINED */
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