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Commit 0d168ce5 authored by Vladislav Vaintroub's avatar Vladislav Vaintroub
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Remove libevent from sources - not needed now

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extra/libevent/CMakeLists.txt deleted 100644 → 0
View file @ 62dcaf8c
INCLUDE_DIRECTORIES(
${CMAKE_SOURCE_DIR}/extra/libevent
${CMAKE_SOURCE_DIR}/extra/libevent/compat
${CMAKE_SOURCE_DIR}/extra/libevent/WIN32-Code
${CMAKE_BINARY_DIR}/extra/libevent
${CMAKE_SOURCE_DIR}/include
)
IF(MSVC)
ADD_DEFINITIONS("-DWIN32 -DHAVE_CONFIG_H")
ENDIF(MSVC)
SET(LIBEVENT_SOURCES
buffer.c
evbuffer.c
event.c
evutil.c
log.c
signal.c
strlcpy.c
WIN32-Code/win32.c
WIN32-Code/config.h
WIN32-Code/misc.c
WIN32-Code/misc.h
event-internal.h
event.h
evsignal.h
evutil.h
log.h
min_heap.h
strlcpy-internal.h
)
IF(WIN32)
# Workaround source distribution bug, remove preconfigured event-config
IF(NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
FILE(REMOVE ${CMAKE_SOURCE_DIR}/extra/libevent/event-config.h)
ENDIF()
CONFIGURE_FILE(WIN32-Code/config.h ${CMAKE_BINARY_DIR}/extra/libevent/event-config.h COPYONLY)
ENDIF()
IF(NOT SOURCE_SUBLIBS)
ADD_LIBRARY(libevent ${LIBEVENT_SOURCES})
ENDIF(NOT SOURCE_SUBLIBS)
extra/libevent/README deleted 100644 → 0
View file @ 62dcaf8c
To build libevent, type
$ ./configure && make
(If you got libevent from the subversion repository, you will
first need to run the included "autogen.sh" script in order to
generate the configure script.)
Install as root via
# make install
You can run the regression tests by
$ make verify
Before, reporting any problems, please run the regression tests.
To enable the low-level tracing build the library as:
CFLAGS=-DUSE_DEBUG ./configure [...]
Acknowledgements:
-----------------
The following people have helped with suggestions, ideas, code or
fixing bugs:
Alejo
Weston Andros Adamson
William Ahern
Stas Bekman
Andrew Danforth
Mike Davis
Shie Erlich
Alexander von Gernler
Artur Grabowski
Aaron Hopkins
Claudio Jeker
Scott Lamb
Adam Langley
Philip Lewis
David Libenzi
Nick Mathewson
Andrey Matveev
Richard Nyberg
Jon Oberheide
Phil Oleson
Dave Pacheco
Tassilo von Parseval
Pierre Phaneuf
Jon Poland
Bert JW Regeer
Dug Song
Taral
If I have forgotten your name, please contact me.
extra/libevent/WIN32-Code/config.h deleted 100644 → 0
View file @ 62dcaf8c
/* config.h. Generated by configure. */
/* config.h.in. Generated from configure.in by autoheader. */
/* Define if clock_gettime is available in libc */
/* #undef DNS_USE_CPU_CLOCK_FOR_ID */
/* Define if no secure id variant is available */
#define DNS_USE_FTIME_FOR_ID 1
/* Define if no secure id variant is available */
/* #define DNS_USE_GETTIMEOFDAY_FOR_ID 1 */
/* Define to 1 if you have the `clock_gettime' function. */
/* #undef HAVE_CLOCK_GETTIME */
/* Define if /dev/poll is available */
/* #undef HAVE_DEVPOLL */
/* Define to 1 if you have the <dlfcn.h> header file. */
/* #undef HAVE_DLFCN_H */
/* Define if your system supports the epoll system calls */
/* #undef HAVE_EPOLL */
/* Define to 1 if you have the `epoll_ctl' function. */
/* #undef HAVE_EPOLL_CTL */
/* Define if your system supports event ports */
/* #undef HAVE_EVENT_PORTS */
/* Define to 1 if you have the `fcntl' function. */
/* #undef HAVE_FCNTL */
/* Define to 1 if you have the <fcntl.h> header file. */
#define HAVE_FCNTL_H 1
/* Define to 1 if you have the `getaddrinfo' function. */
/* #undef HAVE_GETADDRINFO */
/* Define to 1 if you have the `getnameinfo' function. */
/* #undef HAVE_GETNAMEINFO */
/* Define to 1 if you have the `gettimeofday' function. */
/* #define HAVE_GETTIMEOFDAY 1 */
/* Define to 1 if you have the `inet_ntop' function. */
/* #undef HAVE_INET_NTOP */
/* Define to 1 if you have the <inttypes.h> header file. */
/* #undef HAVE_INTTYPES_H 1 */
/* Define to 1 if you have the `kqueue' function. */
/* #undef HAVE_KQUEUE */
/* Define to 1 if you have the `nsl' library (-lnsl). */
/* #undef HAVE_LIBNSL */
/* Define to 1 if you have the `resolv' library (-lresolv). */
/* #undef HAVE_LIBRESOLV */
/* Define to 1 if you have the `rt' library (-lrt). */
/* #undef HAVE_LIBRT */
/* Define to 1 if you have the `socket' library (-lsocket). */
/* #undef HAVE_LIBSOCKET */
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 if you have the <netinet/in6.h> header file. */
/* #undef HAVE_NETINET_IN6_H */
/* Define to 1 if you have the `poll' function. */
/* #undef HAVE_POLL */
/* Define to 1 if you have the <poll.h> header file. */
/* #undef HAVE_POLL_H */
/* Define to 1 if you have the `port_create' function. */
/* #undef HAVE_PORT_CREATE */
/* Define to 1 if you have the <port.h> header file. */
/* #undef HAVE_PORT_H */
/* Define to 1 if you have the `select' function. */
/* #undef HAVE_SELECT */
/* Define if F_SETFD is defined in <fcntl.h> */
/* #undef HAVE_SETFD */
/* Define to 1 if you have the `sigaction' function. */
/* #undef HAVE_SIGACTION */
/* Define to 1 if you have the `signal' function. */
#define HAVE_SIGNAL 1
/* Define to 1 if you have the <signal.h> header file. */
#define HAVE_SIGNAL_H 1
/* Define to 1 if you have the <stdarg.h> header file. */
#define HAVE_STDARG_H 1
/* Define to 1 if you have the <stdint.h> header file. */
/* #define HAVE_STDINT_H 1 */
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if you have the `strlcpy' function. */
/* #undef HAVE_STRLCPY */
/* Define to 1 if you have the `strsep' function. */
/* #undef HAVE_STRSEP */
/* Define to 1 if you have the `strtok_r' function. */
/* #undef HAVE_STRTOK_R */
/* Define to 1 if the system has the type `struct in6_addr'. */
#define HAVE_STRUCT_IN6_ADDR 1
/* Define to 1 if you have the <sys/devpoll.h> header file. */
/* #undef HAVE_SYS_DEVPOLL_H */
/* Define to 1 if you have the <sys/epoll.h> header file. */
/* #undef HAVE_SYS_EPOLL_H */
/* Define to 1 if you have the <sys/event.h> header file. */
/* #undef HAVE_SYS_EVENT_H */
/* Define to 1 if you have the <sys/ioctl.h> header file. */
/* #undef HAVE_SYS_IOCTL_H */
/* Define to 1 if you have the <sys/queue.h> header file. */
/* #undef HAVE_SYS_QUEUE_H */
/* Define to 1 if you have the <sys/select.h> header file. */
/* #undef HAVE_SYS_SELECT_H */
/* Define to 1 if you have the <sys/socket.h> header file. */
/* #undef HAVE_SYS_SOCKET_H */
/* Define to 1 if you have the <sys/stat.h> header file. */
/* #define HAVE_SYS_STAT_H 1 */
/* Define to 1 if you have the <sys/time.h> header file. */
/* #define HAVE_SYS_TIME_H 1 */
/* Define to 1 if you have the <sys/types.h> header file. */
/* #define HAVE_SYS_TYPES_H 1 */
/* Define if TAILQ_FOREACH is defined in <sys/queue.h> */
/* #undef HAVE_TAILQFOREACH */
/* Define if timeradd is defined in <sys/time.h> */
/* #undef HAVE_TIMERADD */
/* Define if timerclear is defined in <sys/time.h> */
/* #define HAVE_TIMERCLEAR 1 */
/* Define if timercmp is defined in <sys/time.h> */
#define HAVE_TIMERCMP 1
/* Define if timerisset is defined in <sys/time.h> */
#define HAVE_TIMERISSET 1
/* Define to 1 if you have the <unistd.h> header file. */
/* #define HAVE_UNISTD_H 1 */
/* Define to 1 if you have the `vasprintf' function. */
/* #undef HAVE_VASPRINTF */
/* Define if kqueue works correctly with pipes */
/* #undef HAVE_WORKING_KQUEUE */
/* Name of package */
#ifndef PACKAGE
#define PACKAGE "libevent"
#endif
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT ""
/* Define to the full name of this package. */
#define PACKAGE_NAME ""
/* Define to the full name and version of this package. */
#define PACKAGE_STRING ""
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME ""
/* Define to the version of this package. */
#define PACKAGE_VERSION ""
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#define TIME_WITH_SYS_TIME 1
/* Version number of package */
#define VERSION "1.3.99-trunk"
#ifndef __func__
/* Define to appropriate substitue if compiler doesnt have __func__ */
#if defined(_MSC_VER) && _MSC_VER < 1300
#define __func__ "??"
#else
#define __func__ __FUNCTION__
#endif
#endif
/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */
/* Define to `__inline__' or `__inline' if that's what the C compiler
calls it, or to nothing if 'inline' is not supported under any name. */
#ifndef __cplusplus
#define inline __inline
#endif
/* Define to `int' if <sys/types.h> does not define. */
/* #undef pid_t */
/* Define to `unsigned' if <sys/types.h> does not define. */
/* #undef size_t */
/* Define to unsigned int if you dont have it */
#define socklen_t unsigned int
/* Define to `unsigned short' if <sys/types.h> does not define. */
#define uint16_t unsigned short
/* Define to `unsigned int' if <sys/types.h> does not define. */
#define uint32_t unsigned int
/* Define to `unsigned long long' if <sys/types.h> does not define. */
#define uint64_t __uint64_t
/* Define to `unsigned char' if <sys/types.h> does not define. */
#define uint8_t unsigned char
extra/libevent/WIN32-Code/misc.c deleted 100644 → 0
View file @ 62dcaf8c
#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <sys/timeb.h>
#include <time.h>
#ifdef __GNUC__
/*our prototypes for timeval and timezone are in here, just in case the above
headers don't have them*/
#include "misc.h"
#endif
/****************************************************************************
*
* Function: gettimeofday(struct timeval *, struct timezone *)
*
* Purpose: Get current time of day.
*
* Arguments: tv => Place to store the curent time of day.
* tz => Ignored.
*
* Returns: 0 => Success.
*
****************************************************************************/
#ifndef HAVE_GETTIMEOFDAY
int gettimeofday(struct timeval *tv, struct timezone *tz) {
struct _timeb tb;
if(tv == NULL)
return -1;
_ftime(&tb);
tv->tv_sec = (long) tb.time;
tv->tv_usec = ((int) tb.millitm) * 1000;
return 0;
}
#endif
extra/libevent/WIN32-Code/misc.h deleted 100644 → 0
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#ifndef MISC_H
#define MISC_H
struct timezone;
struct timeval;
#ifndef HAVE_GETTIMEOFDAY
int gettimeofday(struct timeval *,struct timezone *);
#endif
#endif
extra/libevent/WIN32-Code/tree.h deleted 100644 → 0
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extra/libevent/WIN32-Code/win32.c deleted 100644 → 0
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extra/libevent/buffer.c deleted 100644 → 0
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extra/libevent/compat/sys/_time.h deleted 100644 → 0
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/* $OpenBSD: time.h,v 1.11 2000/10/10 13:36:48 itojun Exp $ */
/* $NetBSD: time.h,v 1.18 1996/04/23 10:29:33 mycroft Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)time.h 8.2 (Berkeley) 7/10/94
*/
#ifndef _SYS_TIME_H_
#define _SYS_TIME_H_
#include <sys/types.h>
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
/*
* Structure defined by POSIX.1b to be like a timeval.
*/
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
};
#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
(ts)->tv_sec = (tv)->tv_sec; \
(ts)->tv_nsec = (tv)->tv_usec * 1000; \
}
#define TIMESPEC_TO_TIMEVAL(tv, ts) { \
(tv)->tv_sec = (ts)->tv_sec; \
(tv)->tv_usec = (ts)->tv_nsec / 1000; \
}
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
#define DST_NONE 0 /* not on dst */
#define DST_USA 1 /* USA style dst */
#define DST_AUST 2 /* Australian style dst */
#define DST_WET 3 /* Western European dst */
#define DST_MET 4 /* Middle European dst */
#define DST_EET 5 /* Eastern European dst */
#define DST_CAN 6 /* Canada */
/* Operations on timevals. */
#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
#define timercmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#define timeradd(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
if ((vvp)->tv_usec >= 1000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_usec -= 1000000; \
} \
} while (0)
#define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (0)
/* Operations on timespecs. */
#define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0
#define timespecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
#define timespeccmp(tsp, usp, cmp) \
(((tsp)->tv_sec == (usp)->tv_sec) ? \
((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
((tsp)->tv_sec cmp (usp)->tv_sec))
#define timespecadd(tsp, usp, vsp) \
do { \
(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
if ((vsp)->tv_nsec >= 1000000000L) { \
(vsp)->tv_sec++; \
(vsp)->tv_nsec -= 1000000000L; \
} \
} while (0)
#define timespecsub(tsp, usp, vsp) \
do { \
(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
if ((vsp)->tv_nsec < 0) { \
(vsp)->tv_sec--; \
(vsp)->tv_nsec += 1000000000L; \
} \
} while (0)
/*
* Names of the interval timers, and structure
* defining a timer setting.
*/
#define ITIMER_REAL 0
#define ITIMER_VIRTUAL 1
#define ITIMER_PROF 2
struct itimerval {
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
/*
* Getkerninfo clock information structure
*/
struct clockinfo {
int hz; /* clock frequency */
int tick; /* micro-seconds per hz tick */
int tickadj; /* clock skew rate for adjtime() */
int stathz; /* statistics clock frequency */
int profhz; /* profiling clock frequency */
};
#define CLOCK_REALTIME 0
#define CLOCK_VIRTUAL 1
#define CLOCK_PROF 2
#define TIMER_RELTIME 0x0 /* relative timer */
#define TIMER_ABSTIME 0x1 /* absolute timer */
/* --- stuff got cut here - niels --- */
#endif /* !_SYS_TIME_H_ */
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extra/libevent/devpoll.c deleted 100644 → 0
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extra/libevent/epoll.c deleted 100644 → 0
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/*
* Copyright 2000-2003 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_EPOLL
#include <stdint.h>
#include <sys/types.h>
#include <sys/resource.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <sys/_time.h>
#endif
#include <sys/queue.h>
#include <sys/epoll.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include "event.h"
#include "event-internal.h"
#include "evsignal.h"
#include "log.h"
/* due to limitations in the epoll interface, we need to keep track of
* all file descriptors outself.
*/
struct evepoll {
struct event *evread;
struct event *evwrite;
};
struct epollop {
struct evepoll *fds;
int nfds;
struct epoll_event *events;
int nevents;
int epfd;
};
static void *epoll_init (struct event_base *);
static int epoll_add (void *, struct event *);
static int epoll_del (void *, struct event *);
static int epoll_dispatch (struct event_base *, void *, struct timeval *);
static void epoll_dealloc (struct event_base *, void *);
struct eventop epollops = {
"epoll",
epoll_init,
epoll_add,
epoll_del,
epoll_dispatch,
epoll_dealloc,
1 /* need reinit */
};
#ifdef HAVE_SETFD
#define FD_CLOSEONEXEC(x) do { \
if (fcntl(x, F_SETFD, 1) == -1) \
event_warn("fcntl(%d, F_SETFD)", x); \
} while (0)
#else
#define FD_CLOSEONEXEC(x)
#endif
#define NEVENT 32000
static void *
epoll_init(struct event_base *base)
{
int epfd, nfiles = NEVENT;
struct rlimit rl;
struct epollop *epollop;
/* Disable epollueue when this environment variable is set */
if (getenv("EVENT_NOEPOLL"))
return (NULL);
if (getrlimit(RLIMIT_NOFILE, &rl) == 0 &&
rl.rlim_cur != RLIM_INFINITY) {
/*
* Solaris is somewhat retarded - it's important to drop
* backwards compatibility when making changes. So, don't
* dare to put rl.rlim_cur here.
*/
nfiles = rl.rlim_cur - 1;
}
/* Initalize the kernel queue */
if ((epfd = epoll_create(nfiles)) == -1) {
event_warn("epoll_create");
return (NULL);
}
FD_CLOSEONEXEC(epfd);
if (!(epollop = calloc(1, sizeof(struct epollop))))
return (NULL);
epollop->epfd = epfd;
/* Initalize fields */
epollop->events = malloc(nfiles * sizeof(struct epoll_event));
if (epollop->events == NULL) {
free(epollop);
return (NULL);
}
epollop->nevents = nfiles;
epollop->fds = calloc(nfiles, sizeof(struct evepoll));
if (epollop->fds == NULL) {
free(epollop->events);
free(epollop);
return (NULL);
}
epollop->nfds = nfiles;
evsignal_init(base);
return (epollop);
}
static int
epoll_recalc(struct event_base *base __attribute__((unused)), void *arg,
int max)
{
struct epollop *epollop = arg;
if (max > epollop->nfds) {
struct evepoll *fds;
int nfds;
nfds = epollop->nfds;
while (nfds < max)
nfds <<= 1;
fds = realloc(epollop->fds, nfds * sizeof(struct evepoll));
if (fds == NULL) {
event_warn("realloc");
return (-1);
}
epollop->fds = fds;
memset(fds + epollop->nfds, 0,
(nfds - epollop->nfds) * sizeof(struct evepoll));
epollop->nfds = nfds;
}
return (0);
}
static int
epoll_dispatch(struct event_base *base, void *arg, struct timeval *tv)
{
struct epollop *epollop = arg;
struct epoll_event *events = epollop->events;
struct evepoll *evep;
int i, res, timeout = -1;
if (tv != NULL)
timeout = tv->tv_sec * 1000 + (tv->tv_usec + 999) / 1000;
res = epoll_wait(epollop->epfd, events, epollop->nevents, timeout);
if (res == -1) {
if (errno != EINTR) {
event_warn("epoll_wait");
return (-1);
}
evsignal_process(base);
return (0);
} else if (base->sig.evsignal_caught) {
evsignal_process(base);
}
event_debug(("%s: epoll_wait reports %d", __func__, res));
for (i = 0; i < res; i++) {
int what = events[i].events;
struct event *evread = NULL, *evwrite = NULL;
evep = (struct evepoll *)events[i].data.ptr;
if (what & (EPOLLHUP|EPOLLERR)) {
evread = evep->evread;
evwrite = evep->evwrite;
} else {
if (what & EPOLLIN) {
evread = evep->evread;
}
if (what & EPOLLOUT) {
evwrite = evep->evwrite;
}
}
if (!(evread||evwrite))
continue;
if (evread != NULL)
event_active(evread, EV_READ, 1);
if (evwrite != NULL)
event_active(evwrite, EV_WRITE, 1);
}
return (0);
}
static int
epoll_add(void *arg, struct event *ev)
{
struct epollop *epollop = arg;
struct epoll_event epev = {0, {0}};
struct evepoll *evep;
int fd, op, events;
if (ev->ev_events & EV_SIGNAL)
return (evsignal_add(ev));
fd = ev->ev_fd;
if (fd >= epollop->nfds) {
/* Extent the file descriptor array as necessary */
if (epoll_recalc(ev->ev_base, epollop, fd) == -1)
return (-1);
}
evep = &epollop->fds[fd];
op = EPOLL_CTL_ADD;
events = 0;
if (evep->evread != NULL) {
events |= EPOLLIN;
op = EPOLL_CTL_MOD;
}
if (evep->evwrite != NULL) {
events |= EPOLLOUT;
op = EPOLL_CTL_MOD;
}
if (ev->ev_events & EV_READ)
events |= EPOLLIN;
if (ev->ev_events & EV_WRITE)
events |= EPOLLOUT;
epev.data.ptr = evep;
epev.events = events;
if (epoll_ctl(epollop->epfd, op, ev->ev_fd, &epev) == -1)
return (-1);
/* Update events responsible */
if (ev->ev_events & EV_READ)
evep->evread = ev;
if (ev->ev_events & EV_WRITE)
evep->evwrite = ev;
return (0);
}
static int
epoll_del(void *arg, struct event *ev)
{
struct epollop *epollop = arg;
struct epoll_event epev = {0, {0}};
struct evepoll *evep;
int fd, events, op;
int needwritedelete = 1, needreaddelete = 1;
if (ev->ev_events & EV_SIGNAL)
return (evsignal_del(ev));
fd = ev->ev_fd;
if (fd >= epollop->nfds)
return (0);
evep = &epollop->fds[fd];
op = EPOLL_CTL_DEL;
events = 0;
if (ev->ev_events & EV_READ)
events |= EPOLLIN;
if (ev->ev_events & EV_WRITE)
events |= EPOLLOUT;
if ((events & (EPOLLIN|EPOLLOUT)) != (EPOLLIN|EPOLLOUT)) {
if ((events & EPOLLIN) && evep->evwrite != NULL) {
needwritedelete = 0;
events = EPOLLOUT;
op = EPOLL_CTL_MOD;
} else if ((events & EPOLLOUT) && evep->evread != NULL) {
needreaddelete = 0;
events = EPOLLIN;
op = EPOLL_CTL_MOD;
}
}
epev.events = events;
epev.data.ptr = evep;
if (needreaddelete)
evep->evread = NULL;
if (needwritedelete)
evep->evwrite = NULL;
if (epoll_ctl(epollop->epfd, op, fd, &epev) == -1)
return (-1);
return (0);
}
static void
epoll_dealloc(struct event_base *base, void *arg)
{
struct epollop *epollop = arg;
evsignal_dealloc(base);
if (epollop->fds)
free(epollop->fds);
if (epollop->events)
free(epollop->events);
if (epollop->epfd >= 0)
close(epollop->epfd);
memset(epollop, 0, sizeof(struct epollop));
free(epollop);
}
#endif /* HAVE_EPOLL */
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/*
* Copyright 2003 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_EPOLL
#include <stdint.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <sys/epoll.h>
#include <unistd.h>
int
epoll_create(int size)
{
return (syscall(__NR_epoll_create, size));
}
int
epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
{
return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
}
int
epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
{
return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
}
#endif /* HAVE_EPOLL */
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/*
* Copyright (c) 2000-2004 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _EVENT_INTERNAL_H_
#define _EVENT_INTERNAL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "config.h"
#include "min_heap.h"
#include "evsignal.h"
struct eventop {
const char *name;
void *(*init)(struct event_base *);
int (*add)(void *, struct event *);
int (*del)(void *, struct event *);
int (*dispatch)(struct event_base *, void *, struct timeval *);
void (*dealloc)(struct event_base *, void *);
/* set if we need to reinitialize the event base */
int need_reinit;
};
struct event_base {
const struct eventop *evsel;
void *evbase;
int event_count; /* counts number of total events */
int event_count_active; /* counts number of active events */
int event_gotterm; /* Set to terminate loop */
int event_break; /* Set to terminate loop immediately */
/* active event management */
struct event_list **activequeues;
int nactivequeues;
/* signal handling info */
struct evsignal_info sig;
struct event_list eventqueue;
struct timeval event_tv;
struct min_heap timeheap;
};
/* Internal use only: Functions that might be missing from <sys/queue.h> */
/* These following macros are copied from BSD sys/queue.h
Copyright (c) 1991, 1993, The Regents of the University of California.
All rights reserved.
*/
#ifndef TAILQ_EMPTY
#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
#define TAILQ_FIRST(head) ((head)->tqh_first)
#define TAILQ_END(head) NULL
#define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
#endif /* TAILQ_EMPTY */
#ifndef HAVE_TAILQFOREACH
#define TAILQ_FOREACH(var, head, field) \
for((var) = TAILQ_FIRST(head); \
(var) != TAILQ_END(head); \
(var) = TAILQ_NEXT(var, field))
#define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \
(elm)->field.tqe_prev = (listelm)->field.tqe_prev; \
(elm)->field.tqe_next = (listelm); \
*(listelm)->field.tqe_prev = (elm); \
(listelm)->field.tqe_prev = &(elm)->field.tqe_next; \
} while (0)
#endif /* TAILQ_FOREACH */
int _evsignal_set_handler(struct event_base *base, int evsignal,
void (*fn)(int));
int _evsignal_restore_handler(struct event_base *base, int evsignal);
#ifdef __cplusplus
}
#endif
#endif /* _EVENT_INTERNAL_H_ */
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/*
* Copyright 2000-2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _EVSIGNAL_H_
#define _EVSIGNAL_H_
typedef void (*ev_sighandler_t)(int);
struct evsignal_info {
struct event_list signalqueue;
struct event ev_signal;
int ev_signal_pair[2];
int ev_signal_added;
volatile sig_atomic_t evsignal_caught;
sig_atomic_t evsigcaught[NSIG];
#ifdef HAVE_SIGACTION
struct sigaction **sh_old;
#else
ev_sighandler_t **sh_old;
#endif
int sh_old_max;
};
void evsignal_init(struct event_base *);
void evsignal_process(struct event_base *);
int evsignal_add(struct event *);
int evsignal_del(struct event *);
void evsignal_dealloc(struct event_base *);
#endif /* _EVSIGNAL_H_ */
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