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/*
* Copyright (c) 2008-2011 Apple Inc. All rights reserved.
*
* @APPLE_APACHE_LICENSE_HEADER_START@
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @APPLE_APACHE_LICENSE_HEADER_END@
*/
#include <dispatch/dispatch.h>
#include <stdio.h>
#include <stdlib.h>
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <unistd.h>
#endif
#include <string.h>
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#include <sys/queue.h>
#include <sys/errno.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#include <CoreFoundation/CoreFoundation.h>
#include <bsdtests.h>
#include "dispatch_test.h"
static int long kevent_data = 0;
#if 0
int debug = 0;
#define DEBUG(...) do { \
if (debug) fprintf(stderr, __VA_ARGS__); \
} while(0);
#endif
#define assert_errno(str, expr) do { \
if (!(expr)) { \
fprintf(stderr, "%s: %s\n", (str), strerror(errno)); \
exit(1); \
} } while(0);
int
init_kqueue(void)
{
int kq;
int res;
struct kevent ke;
static struct timespec t0;
kq = kqueue();
assert_errno("kqueue", kq >= 0);
EV_SET(&ke, 1, EVFILT_TIMER, EV_ADD, NOTE_USECONDS, USEC_PER_SEC/10, 0);
res = kevent(kq, &ke, 1, NULL, 0, &t0);
assert_errno("kevent", res == 0);
return kq;
}
int
read_kevent(int kq)
{
int res;
struct kevent ke;
//static struct timespec t0;
res = kevent(kq, NULL, 0, &ke, 1, NULL);
assert_errno("kevent", res >= 0);
kevent_data += ke.data;
fprintf(stdout, "kevent.data = %ld\n", ke.data);
return (res < 0);
}
static void
cffd_callback(CFFileDescriptorRef cffd,
CFOptionFlags callBackTypes __attribute__((unused)),
void *info __attribute__((unused)))
{
int kq;
kq = CFFileDescriptorGetNativeDescriptor(cffd);
if (read_kevent(kq) == 0) {
// ...
}
CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorReadCallBack);
}
#if 0
void
timer()
{
dispatch_source_t ds;
ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue());
assert(ds);
dispatch_source_set_timer(ds, dispatch_time(0, 1*NSEC_PER_SEC), NSEC_PER_SEC, 0);
dispatch_source_set_event_handler(ds, ^{
printf("ping\n");
});
dispatch_resume(ds);
}
void
hangup()
{
dispatch_source_t ds;
ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, SIGHUP, 0, dispatch_get_main_queue());
assert(ds);
dispatch_source_set_event_handler(ds, ^{
printf("hangup\n");
});
dispatch_resume(ds);
}
#endif
int
main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
{
int kq;
CFFileDescriptorRef cffd;
CFRunLoopSourceRef rls;
CFFileDescriptorContext ctx;
dispatch_test_start("CFFileDescriptor");
#if 0
signal(SIGHUP, SIG_IGN);
#endif
kq = init_kqueue();
memset(&ctx, 0, sizeof(CFFileDescriptorContext));
cffd = CFFileDescriptorCreate(NULL, kq, 1, cffd_callback, &ctx);
assert(cffd);
rls = CFFileDescriptorCreateRunLoopSource(NULL, cffd, 0);
assert(rls);
CFRunLoopAddSource(CFRunLoopGetCurrent(), rls, kCFRunLoopDefaultMode);
CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorReadCallBack);
#if 0
timer();
hangup();
#endif
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.05, false);
// Should fire at least 10 times ...
test_long_greater_than_or_equal("kevent data", kevent_data, 10);
test_stop();
return 0;
}
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