/usr/include/lighttpd/fdevent.h is in lighttpd-dev 1.4.28-2ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | #ifndef _FDEVENT_H_
#define _FDEVENT_H_
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "settings.h"
#include "bitset.h"
#if defined HAVE_STDINT_H
# include <stdint.h>
#elif defined HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#include <sys/types.h>
/* select event-system */
#if defined(HAVE_EPOLL_CTL) && defined(HAVE_SYS_EPOLL_H)
# define USE_LINUX_EPOLL
# include <sys/epoll.h>
#endif
/* MacOS 10.3.x has poll.h under /usr/include/, all other unixes
* under /usr/include/sys/ */
#if defined HAVE_POLL && (defined(HAVE_SYS_POLL_H) || defined(HAVE_POLL_H))
# define USE_POLL
# ifdef HAVE_POLL_H
# include <poll.h>
# else
# include <sys/poll.h>
# endif
#endif
#if defined HAVE_SELECT
# ifdef __WIN32
# include <winsock2.h>
# endif
# define USE_SELECT
# ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
# endif
#endif
#if defined HAVE_SYS_DEVPOLL_H && defined(__sun)
# define USE_SOLARIS_DEVPOLL
# include <sys/devpoll.h>
#endif
#if defined HAVE_SYS_EVENT_H && defined HAVE_KQUEUE
# define USE_FREEBSD_KQUEUE
# include <sys/event.h>
#endif
#if defined HAVE_SYS_PORT_H && defined HAVE_PORT_CREATE
# define USE_SOLARIS_PORT
# include <sys/port.h>
#endif
#if defined HAVE_LIBEV
# define USE_LIBEV
# include <ev.h>
#endif
struct server;
typedef handler_t (*fdevent_handler)(struct server *srv, void *ctx, int revents);
/* these are the POLL* values from <bits/poll.h> (linux poll)
*/
#define FDEVENT_IN BV(0)
#define FDEVENT_PRI BV(1)
#define FDEVENT_OUT BV(2)
#define FDEVENT_ERR BV(3)
#define FDEVENT_HUP BV(4)
#define FDEVENT_NVAL BV(5)
typedef enum { FD_EVENT_TYPE_UNSET = -1,
FD_EVENT_TYPE_CONNECTION,
FD_EVENT_TYPE_FCGI_CONNECTION,
FD_EVENT_TYPE_DIRWATCH,
FD_EVENT_TYPE_CGI_CONNECTION
} fd_event_t;
typedef enum { FDEVENT_HANDLER_UNSET,
FDEVENT_HANDLER_SELECT,
FDEVENT_HANDLER_POLL,
FDEVENT_HANDLER_LINUX_SYSEPOLL,
FDEVENT_HANDLER_SOLARIS_DEVPOLL,
FDEVENT_HANDLER_FREEBSD_KQUEUE,
FDEVENT_HANDLER_LIBEV
} fdevent_handler_t;
typedef struct _fdnode {
fdevent_handler handler;
void *ctx;
void *handler_ctx;
int fd;
int events;
} fdnode;
/**
* array of unused fd's
*
*/
typedef struct {
int *ptr;
size_t used;
size_t size;
} buffer_int;
/**
* fd-event handler for select(), poll() and rt-signals on Linux 2.4
*
*/
typedef struct fdevents {
struct server *srv;
fdevent_handler_t type;
fdnode **fdarray;
size_t maxfds;
#ifdef USE_LINUX_EPOLL
int epoll_fd;
struct epoll_event *epoll_events;
#endif
#ifdef USE_POLL
struct pollfd *pollfds;
size_t size;
size_t used;
buffer_int unused;
#endif
#ifdef USE_SELECT
fd_set select_read;
fd_set select_write;
fd_set select_error;
fd_set select_set_read;
fd_set select_set_write;
fd_set select_set_error;
int select_max_fd;
#endif
#ifdef USE_SOLARIS_DEVPOLL
int devpoll_fd;
struct pollfd *devpollfds;
#endif
#ifdef USE_FREEBSD_KQUEUE
int kq_fd;
struct kevent *kq_results;
#endif
#ifdef USE_SOLARIS_PORT
int port_fd;
#endif
#ifdef USE_LIBEV
struct ev_loop *libev_loop;
#endif
int (*reset)(struct fdevents *ev);
void (*free)(struct fdevents *ev);
int (*event_set)(struct fdevents *ev, int fde_ndx, int fd, int events);
int (*event_del)(struct fdevents *ev, int fde_ndx, int fd);
int (*event_get_revent)(struct fdevents *ev, size_t ndx);
int (*event_get_fd)(struct fdevents *ev, size_t ndx);
int (*event_next_fdndx)(struct fdevents *ev, int ndx);
int (*poll)(struct fdevents *ev, int timeout_ms);
int (*fcntl_set)(struct fdevents *ev, int fd);
} fdevents;
fdevents *fdevent_init(struct server *srv, size_t maxfds, fdevent_handler_t type);
int fdevent_reset(fdevents *ev); /* "init" after fork() */
void fdevent_free(fdevents *ev);
int fdevent_event_set(fdevents *ev, int *fde_ndx, int fd, int events); /* events can be FDEVENT_IN, FDEVENT_OUT or FDEVENT_IN | FDEVENT_OUT */
int fdevent_event_del(fdevents *ev, int *fde_ndx, int fd);
int fdevent_event_get_revent(fdevents *ev, size_t ndx);
int fdevent_event_get_fd(fdevents *ev, size_t ndx);
fdevent_handler fdevent_get_handler(fdevents *ev, int fd);
void * fdevent_get_context(fdevents *ev, int fd);
int fdevent_event_next_fdndx(fdevents *ev, int ndx);
int fdevent_poll(fdevents *ev, int timeout_ms);
int fdevent_register(fdevents *ev, int fd, fdevent_handler handler, void *ctx);
int fdevent_unregister(fdevents *ev, int fd);
int fdevent_fcntl_set(fdevents *ev, int fd);
int fdevent_select_init(fdevents *ev);
int fdevent_poll_init(fdevents *ev);
int fdevent_linux_sysepoll_init(fdevents *ev);
int fdevent_solaris_devpoll_init(fdevents *ev);
int fdevent_freebsd_kqueue_init(fdevents *ev);
int fdevent_libev_init(fdevents *ev);
#endif
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