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📄 ChangeLog(98.8 KB)
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📄 Doxyfile(9.97 KB)
📄 LICENSE(4.42 KB)
📄 Makefile.am(8.64 KB)
📄 Makefile.in(143.63 KB)
📄 Makefile.nmake(2.29 KB)
📁 WIN32-Code
📄 aclocal.m4(41.44 KB)
📄 arc4random.c(12.83 KB)
📄 autogen.sh(431 B)
📄 buffer.c(80.31 KB)
📄 buffer_iocp.c(8.44 KB)
📄 bufferevent-internal.h(18.05 KB)
📄 bufferevent.c(25.49 KB)
📄 bufferevent_async.c(17.75 KB)
📄 bufferevent_filter.c(17.58 KB)
📄 bufferevent_openssl.c(38.57 KB)
📄 bufferevent_pair.c(9.6 KB)
📄 bufferevent_ratelim.c(29.51 KB)
📄 bufferevent_sock.c(18.37 KB)
📄 changelist-internal.h(4.52 KB)
📁 compat
📄 compile(7.16 KB)
📄 config.guess(41.93 KB)
📄 config.h.in(14.02 KB)
📄 config.sub(35.14 KB)
📄 configure(525.2 KB)
📄 configure.ac(23.97 KB)
📄 defer-internal.h(2.7 KB)
📄 depcomp(23.01 KB)
📄 devpoll.c(7.7 KB)
📄 epoll.c(14.37 KB)
📄 epoll_sub.c(2.33 KB)
📄 epolltable-internal.h(40.4 KB)
📄 evbuffer-internal.h(12.51 KB)
📄 evconfig-private.h(1.33 KB)
📄 evconfig-private.h.in(1.21 KB)
📄 evdns.c(127.4 KB)
📄 event-internal.h(16.85 KB)
📄 event.c(100.49 KB)
📄 event_iocp.c(7.52 KB)
📄 event_rpcgen.py(54.33 KB)
📄 event_tagging.c(14.3 KB)
📄 evmap-internal.h(4.78 KB)
📄 evmap.c(28.2 KB)
📄 evport.c(11.72 KB)
📄 evrpc-internal.h(5.58 KB)
📄 evrpc.c(28.68 KB)
📄 evsignal-internal.h(2.57 KB)
📄 evthread-internal.h(13.99 KB)
📄 evthread.c(13.42 KB)
📄 evthread_pthread.c(4.84 KB)
📄 evthread_win32.c(8.39 KB)
📄 evutil.c(69 KB)
📄 evutil_rand.c(5.08 KB)
📄 evutil_time.c(16.69 KB)
📄 ht-internal.h(28.5 KB)
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📄 http.c(120.9 KB)
📁 include
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📄 ipv6-internal.h(2.46 KB)
📄 kqueue-internal.h(1.94 KB)
📄 kqueue.c(14.36 KB)
📄 libevent.pc.in(317 B)
📄 libevent_core.pc.in(281 B)
📄 libevent_extra.pc.in(284 B)
📄 libevent_openssl.pc.in(372 B)
📄 libevent_pthreads.pc.in(384 B)
📄 listener.c(20.83 KB)
📄 log-internal.h(3.14 KB)
📄 log.c(5.51 KB)
📄 ltmain.sh(316.49 KB)
📁 m4
📄 make-event-config.sed(588 B)
📄 minheap-internal.h(6.78 KB)
📄 missing(6.71 KB)
📄 mm-internal.h(3.32 KB)
📄 openssl-compat.h(974 B)
📄 poll.c(7.99 KB)
📄 ratelim-internal.h(4 KB)
📁 sample
📄 select.c(8.5 KB)
📄 signal.c(12.22 KB)
📄 strlcpy-internal.h(366 B)
📄 strlcpy.c(2.52 KB)
📁 test
📄 test-driver(4.53 KB)
📄 time-internal.h(3 KB)
📄 util-internal.h(15.54 KB)
📄 whatsnew-2.0.txt(25.73 KB)
📄 whatsnew-2.1.txt(32.6 KB)
📄 win32select.c(10.29 KB)

Editing: evthread_pthread.c

/*
 * Copyright 2009-2012 Niels Provos and Nick Mathewson
 *
 * 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.
 */
#include "event2/event-config.h"
#include "evconfig-private.h"

/* With glibc we need to define _GNU_SOURCE to get PTHREAD_MUTEX_RECURSIVE.
 * This comes from evconfig-private.h
 */
#include <pthread.h>

struct event_base;
#include "event2/thread.h"

#include <stdlib.h>
#include <string.h>
#include "mm-internal.h"
#include "evthread-internal.h"

static pthread_mutexattr_t attr_recursive;

static void *
evthread_posix_lock_alloc(unsigned locktype)
{
	pthread_mutexattr_t *attr = NULL;
	pthread_mutex_t *lock = mm_malloc(sizeof(pthread_mutex_t));
	if (!lock)
		return NULL;
	if (locktype & EVTHREAD_LOCKTYPE_RECURSIVE)
		attr = &attr_recursive;
	if (pthread_mutex_init(lock, attr)) {
		mm_free(lock);
		return NULL;
	}
	return lock;
}

static void
evthread_posix_lock_free(void *lock_, unsigned locktype)
{
	pthread_mutex_t *lock = lock_;
	pthread_mutex_destroy(lock);
	mm_free(lock);
}

static int
evthread_posix_lock(unsigned mode, void *lock_)
{
	pthread_mutex_t *lock = lock_;
	if (mode & EVTHREAD_TRY)
		return pthread_mutex_trylock(lock);
	else
		return pthread_mutex_lock(lock);
}

static int
evthread_posix_unlock(unsigned mode, void *lock_)
{
	pthread_mutex_t *lock = lock_;
	return pthread_mutex_unlock(lock);
}

static unsigned long
evthread_posix_get_id(void)
{
	union {
		pthread_t thr;
#if EVENT__SIZEOF_PTHREAD_T > EVENT__SIZEOF_LONG
		ev_uint64_t id;
#else
		unsigned long id;
#endif
	} r;
#if EVENT__SIZEOF_PTHREAD_T < EVENT__SIZEOF_LONG
	memset(&r, 0, sizeof(r));
#endif
	r.thr = pthread_self();
	return (unsigned long)r.id;
}

static void *
evthread_posix_cond_alloc(unsigned condflags)
{
	pthread_cond_t *cond = mm_malloc(sizeof(pthread_cond_t));
	if (!cond)
		return NULL;
	if (pthread_cond_init(cond, NULL)) {
		mm_free(cond);
		return NULL;
	}
	return cond;
}

static void
evthread_posix_cond_free(void *cond_)
{
	pthread_cond_t *cond = cond_;
	pthread_cond_destroy(cond);
	mm_free(cond);
}

static int
evthread_posix_cond_signal(void *cond_, int broadcast)
{
	pthread_cond_t *cond = cond_;
	int r;
	if (broadcast)
		r = pthread_cond_broadcast(cond);
	else
		r = pthread_cond_signal(cond);
	return r ? -1 : 0;
}

static int
evthread_posix_cond_wait(void *cond_, void *lock_, const struct timeval *tv)
{
	int r;
	pthread_cond_t *cond = cond_;
	pthread_mutex_t *lock = lock_;

if (tv) {
		struct timeval now, abstime;
		struct timespec ts;
		evutil_gettimeofday(&now, NULL);
		evutil_timeradd(&now, tv, &abstime);
		ts.tv_sec = abstime.tv_sec;
		ts.tv_nsec = abstime.tv_usec*1000;
		r = pthread_cond_timedwait(cond, lock, &ts);
		if (r == ETIMEDOUT)
			return 1;
		else if (r)
			return -1;
		else
			return 0;
	} else {
		r = pthread_cond_wait(cond, lock);
		return r ? -1 : 0;
	}
}

int
evthread_use_pthreads(void)
{
	struct evthread_lock_callbacks cbs = {
		EVTHREAD_LOCK_API_VERSION,
		EVTHREAD_LOCKTYPE_RECURSIVE,
		evthread_posix_lock_alloc,
		evthread_posix_lock_free,
		evthread_posix_lock,
		evthread_posix_unlock
	};
	struct evthread_condition_callbacks cond_cbs = {
		EVTHREAD_CONDITION_API_VERSION,
		evthread_posix_cond_alloc,
		evthread_posix_cond_free,
		evthread_posix_cond_signal,
		evthread_posix_cond_wait
	};
	/* Set ourselves up to get recursive locks. */
	if (pthread_mutexattr_init(&attr_recursive))
		return -1;
	if (pthread_mutexattr_settype(&attr_recursive, PTHREAD_MUTEX_RECURSIVE))
		return -1;

evthread_set_lock_callbacks(&cbs);
	evthread_set_condition_callbacks(&cond_cbs);
	evthread_set_id_callback(evthread_posix_get_id);
	return 0;
}

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Editing: evthread_pthread.c

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