]>
git.saurik.com Git - apple/xnu.git/blob - tests/pipe_drain.c
2 * Copyright (c) 2019 Apple Computer, Inc. All rights reserved.
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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.
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
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.
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
29 #include <darwintest.h>
30 #include <darwintest_multiprocess.h>
39 signal_handler(int sig
, siginfo_t
*sip __unused
, void *ucontext __unused
)
42 T_FAIL("Received SIGPIPE");
49 thread_read(void *arg
)
51 int fd
= (int) (uintptr_t)arg
;
55 T_LOG("thread returned from read");
60 "test a pipe with multiple read descriptor could close one descriptor and drain that descriptor")
65 char buf
[10] = "Hello";
68 /* Install the signal handler for SIGPIPE */
70 struct sigaction sa
= {
71 .sa_sigaction
= signal_handler
,
72 .sa_flags
= SA_SIGINFO
74 sigfillset(&sa
.sa_mask
);
76 T_QUIET
; T_ASSERT_POSIX_ZERO(sigaction(SIGPIPE
, &sa
, NULL
), NULL
);
79 T_EXPECT_EQ(ret
, 0, NULL
);
81 dup_fd
= dup(pipe_fd
[0]);
82 T_EXPECT_GE(dup_fd
, 0, NULL
);
84 pthread_create(&thread
, NULL
, thread_read
, (void *) (uintptr_t) pipe_fd
[0]);
89 ret
= (int)write(pipe_fd
[1], buf
, strlen(buf
) + 1);
90 T_EXPECT_EQ(ret
, (int)strlen(buf
) + 1, NULL
);