[core] isolate backend fdevent handler defs
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7b2514cdad
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8f3bbd7f13
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#ifndef INCLUDED_FDEVENT_IMPL_H
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#define INCLUDED_FDEVENT_IMPL_H
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#include "first.h"
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/* select event-system */
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#if defined(HAVE_EPOLL_CTL) && defined(HAVE_SYS_EPOLL_H)
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# define FDEVENT_USE_LINUX_EPOLL
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struct epoll_event; /* declaration */
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#endif
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/* MacOS 10.3.x has poll.h under /usr/include/, all other unixes
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* under /usr/include/sys/ */
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#if defined HAVE_POLL && (defined(HAVE_SYS_POLL_H) || defined(HAVE_POLL_H))
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# define FDEVENT_USE_POLL
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struct pollfd; /* declaration */
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#endif
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#if defined HAVE_SELECT
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# ifdef __WIN32
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# include <winsock2.h>
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# endif
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# define FDEVENT_USE_SELECT
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# ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>
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# endif
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#endif
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#if defined HAVE_SYS_DEVPOLL_H && defined(__sun)
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# define FDEVENT_USE_SOLARIS_DEVPOLL
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struct pollfd; /* declaration */
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#endif
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#if defined HAVE_PORT_H && defined HAVE_PORT_CREATE && defined(__sun)
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# define FDEVENT_USE_SOLARIS_PORT
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# include <port.h>
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#endif
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#if defined HAVE_SYS_EVENT_H && defined HAVE_KQUEUE
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# define FDEVENT_USE_FREEBSD_KQUEUE
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struct kevent; /* declaration */
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#endif
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#if defined HAVE_LIBEV
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# define FDEVENT_USE_LIBEV
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struct ev_loop; /* declaration */
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#endif
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#include "base_decls.h"
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#include "settings.h" /* (handler_t) */
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typedef enum {
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FDEVENT_HANDLER_UNSET,
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FDEVENT_HANDLER_SELECT,
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FDEVENT_HANDLER_POLL,
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FDEVENT_HANDLER_LINUX_SYSEPOLL,
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FDEVENT_HANDLER_SOLARIS_DEVPOLL,
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FDEVENT_HANDLER_SOLARIS_PORT,
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FDEVENT_HANDLER_FREEBSD_KQUEUE,
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FDEVENT_HANDLER_LIBEV
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} fdevent_handler_t;
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typedef handler_t (*fdevent_handler)(struct server *srv, void *ctx, int revents);
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typedef struct _fdnode {
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fdevent_handler handler;
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void *ctx;
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void *handler_ctx;
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int fd;
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int events;
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} fdnode;
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/**
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* array of unused fd's
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*
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*/
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#ifdef FDEVENT_USE_POLL
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typedef struct {
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int *ptr;
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size_t used;
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size_t size;
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} buffer_int;
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#endif
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struct fdevents {
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struct server *srv;
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fdevent_handler_t type;
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fdnode **fdarray;
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fdnode *pendclose;
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size_t maxfds;
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#ifdef FDEVENT_USE_LINUX_EPOLL
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int epoll_fd;
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struct epoll_event *epoll_events;
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#endif
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#ifdef FDEVENT_USE_POLL
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struct pollfd *pollfds;
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size_t size;
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size_t used;
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buffer_int unused;
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#endif
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#ifdef FDEVENT_USE_SELECT
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fd_set select_read;
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fd_set select_write;
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fd_set select_error;
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fd_set select_set_read;
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fd_set select_set_write;
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fd_set select_set_error;
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int select_max_fd;
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#endif
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#ifdef FDEVENT_USE_SOLARIS_DEVPOLL
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int devpoll_fd;
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struct pollfd *devpollfds;
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#endif
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#ifdef FDEVENT_USE_SOLARIS_PORT
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port_event_t *port_events;
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#endif
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#ifdef FDEVENT_USE_FREEBSD_KQUEUE
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int kq_fd;
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struct kevent *kq_results;
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#endif
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#ifdef FDEVENT_USE_SOLARIS_PORT
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int port_fd;
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#endif
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#ifdef FDEVENT_USE_LIBEV
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struct ev_loop *libev_loop;
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#endif
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int (*reset)(struct fdevents *ev);
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void (*free)(struct fdevents *ev);
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int (*event_set)(struct fdevents *ev, int fde_ndx, int fd, int events);
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int (*event_del)(struct fdevents *ev, int fde_ndx, int fd);
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int (*event_get_revent)(struct fdevents *ev, size_t ndx);
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int (*event_get_fd)(struct fdevents *ev, size_t ndx);
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int (*event_next_fdndx)(struct fdevents *ev, int ndx);
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int (*poll)(struct fdevents *ev, int timeout_ms);
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};
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int fdevent_select_init(struct fdevents *ev);
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int fdevent_poll_init(struct fdevents *ev);
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int fdevent_linux_sysepoll_init(struct fdevents *ev);
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int fdevent_solaris_devpoll_init(struct fdevents *ev);
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int fdevent_solaris_port_init(struct fdevents *ev);
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int fdevent_freebsd_kqueue_init(struct fdevents *ev);
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int fdevent_libev_init(struct fdevents *ev);
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#endif
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