1 /*
2 * Copyright (c) 2017-2024 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29 #include <assert.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <stdio.h>
33 #include <unistd.h>
34 #include <uuid/uuid.h>
35 #include <sys/select.h>
36 #include <poll.h>
37 #include <sys/event.h>
38 #include <sys/sysctl.h>
39 #include <pthread.h>
40 #include <darwintest.h>
41 #include "skywalk_test_driver.h"
42 #include "skywalk_test_common.h"
43 #include "skywalk_test_utils.h"
44
45 /* Gets channel waiting in kevent/poll/select and then shuts down channel */
46
47 static void *
thread1(void * unused)48 thread1(void *unused)
49 {
50 int error;
51 usleep(100000); /* Make sure main thread gets into kevent */
52 //sleep(5); /* Make sure main thread gets into kevent */
53 T_LOG("shutdown sockets\n");
54 error = pid_shutdown_sockets(getpid(), SHUTDOWN_SOCKET_LEVEL_DISCONNECT_ALL);
55 SKTC_ASSERT_ERR(!error);
56 return NULL;
57 }
58
59 static int
skt_shutdown2_common(int argc,char * argv[],int method)60 skt_shutdown2_common(int argc, char *argv[], int method)
61 {
62 int error;
63 channel_t channel;
64 uuid_t channel_uuid;
65 int channelfd;
66 fd_set rfdset, efdset;
67 struct pollfd fds;
68 int kq;
69 pthread_t thread;
70 struct kevent kev;
71
72 error = uuid_parse(argv[3], channel_uuid);
73 SKTC_ASSERT_ERR(!error);
74
75 channel = sktu_channel_create_extended(channel_uuid, 0,
76 CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
77 -1, -1, -1, -1, -1, -1, 1, -1, -1);
78 assert(channel);
79
80 channelfd = os_channel_get_fd(channel);
81 assert(channelfd != -1);
82
83 error = pthread_create(&thread, NULL, &thread1, NULL);
84 SKTC_ASSERT_ERR(error == 0);
85
86 switch (method) {
87 case 0:
88 FD_ZERO(&rfdset);
89 FD_ZERO(&efdset);
90 FD_SET(channelfd, &rfdset);
91 FD_SET(channelfd, &efdset);
92 error = select(channelfd + 1, &rfdset, NULL, &efdset, NULL);
93 SKTC_ASSERT_ERR(error != -1);
94 SKTC_ASSERT_ERR(error == 1);
95 assert(!FD_ISSET(channelfd, &rfdset));
96 assert(FD_ISSET(channelfd, &efdset));
97 break;
98 case 1:
99 fds.fd = channelfd;
100 fds.events = POLLRDNORM;
101 fds.revents = 0;
102 error = poll(&fds, 1, -1);
103 SKTC_ASSERT_ERR(error != -1);
104 SKTC_ASSERT_ERR(error == 1);
105 assert(fds.fd == channelfd);
106 assert(fds.events == POLLRDNORM);
107 assert(fds.revents == (POLLRDNORM | POLLHUP));
108 break;
109 case 2:
110 kq = kqueue();
111 assert(kq != -1);
112 EV_SET(&kev, channelfd, EVFILT_READ, EV_ADD | EV_ENABLE, 0, 0,
113 NULL);
114 error = kevent(kq, &kev, 1, &kev, 1, NULL);
115 SKTC_ASSERT_ERR(error != -1);
116 SKTC_ASSERT_ERR(error == 1);
117 assert(kev.filter == EVFILT_READ);
118 assert(kev.ident == channelfd);
119 assert(kev.udata == NULL);
120 assert(kev.flags & EV_EOF);
121 assert(kev.data == 0);
122 close(kq);
123 break;
124 default:
125 abort();
126 }
127
128 os_channel_destroy(channel);
129
130 error = pthread_join(thread, NULL);
131 SKTC_ASSERT_ERR(error == 0);
132
133 return 0;
134 }
135
136 static int
skt_shutdown2_select_main(int argc,char * argv[])137 skt_shutdown2_select_main(int argc, char *argv[])
138 {
139 return skt_shutdown2_common(argc, argv, 0);
140 }
141
142 static int
skt_shutdown2_poll_main(int argc,char * argv[])143 skt_shutdown2_poll_main(int argc, char *argv[])
144 {
145 return skt_shutdown2_common(argc, argv, 1);
146 }
147
148 static int
skt_shutdown2_kqueue_main(int argc,char * argv[])149 skt_shutdown2_kqueue_main(int argc, char *argv[])
150 {
151 return skt_shutdown2_common(argc, argv, 2);
152 }
153
154 struct skywalk_test skt_shutdown2us = {
155 "shutdown2us", "shuts down channel on upipe while in select",
156 SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
157 skt_shutdown2_select_main, SKTC_GENERIC_UPIPE_ARGV,
158 sktc_generic_upipe_nexus_init, sktc_cleanup_nexus,
159 };
160
161 struct skywalk_test skt_shutdown2ks = {
162 "shutdown2ks", "shuts down channel on kpipe while in select",
163 SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_KERNEL_PIPE | SK_FEATURE_NEXUS_KERNEL_PIPE_LOOPBACK,
164 skt_shutdown2_select_main, SKTC_GENERIC_KPIPE_ARGV,
165 sktc_generic_kpipe_init, sktc_generic_kpipe_fini,
166 };
167
168 struct skywalk_test skt_shutdown2up = {
169 "shutdown2up", "shuts down channel on upipe while in poll",
170 SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
171 skt_shutdown2_poll_main, SKTC_GENERIC_UPIPE_ARGV,
172 sktc_generic_upipe_nexus_init, sktc_cleanup_nexus,
173 };
174
175 struct skywalk_test skt_shutdown2kp = {
176 "shutdown2kp", "shuts down channel on kpipe while in poll",
177 SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_KERNEL_PIPE | SK_FEATURE_NEXUS_KERNEL_PIPE_LOOPBACK,
178 skt_shutdown2_poll_main, SKTC_GENERIC_KPIPE_ARGV,
179 sktc_generic_kpipe_init, sktc_generic_kpipe_fini,
180 };
181
182 struct skywalk_test skt_shutdown2uk = {
183 "shutdown2uk", "shuts down channel on upipe while in kqueue",
184 SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
185 skt_shutdown2_kqueue_main, SKTC_GENERIC_UPIPE_ARGV,
186 sktc_generic_upipe_nexus_init, sktc_cleanup_nexus,
187 };
188
189 struct skywalk_test skt_shutdown2kk = {
190 "shutdown2kk", "shuts down channel on kpipe while in kqueue",
191 SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_KERNEL_PIPE | SK_FEATURE_NEXUS_KERNEL_PIPE_LOOPBACK,
192 skt_shutdown2_kqueue_main, SKTC_GENERIC_KPIPE_ARGV,
193 sktc_generic_kpipe_init, sktc_generic_kpipe_fini,
194 };
195