mirror of
https://github.com/darlinghq/darling-xnu.git
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92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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* Copyright (c) 2019 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#include <darwintest.h>
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#include <darwintest_multiprocess.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <signal.h>
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static void
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signal_handler(int sig, siginfo_t *sip __unused, void *ucontext __unused)
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{
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if (sig == SIGPIPE) {
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T_FAIL("Received SIGPIPE");
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}
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exit(141);
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}
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static void *
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thread_read(void *arg)
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{
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int fd = (int) (uintptr_t)arg;
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char buf[10];
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read(fd, buf, 10);
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T_LOG("thread returned from read");
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return 0;
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}
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T_DECL(pipe_drain,
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"test a pipe with multiple read descriptor could close one descriptor and drain that descriptor")
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{
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int pipe_fd[2];
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int dup_fd;
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int ret;
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char buf[10] = "Hello";
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pthread_t thread;
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/* Install the signal handler for SIGPIPE */
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struct sigaction sa = {
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.sa_sigaction = signal_handler,
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.sa_flags = SA_SIGINFO
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};
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sigfillset(&sa.sa_mask);
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T_QUIET; T_ASSERT_POSIX_ZERO(sigaction(SIGPIPE, &sa, NULL), NULL);
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ret = pipe(pipe_fd);
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T_EXPECT_EQ(ret, 0, NULL);
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dup_fd = dup(pipe_fd[0]);
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T_EXPECT_GE(dup_fd, 0, NULL);
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pthread_create(&thread, NULL, thread_read, (void *) (uintptr_t) pipe_fd[0]);
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sleep(5);
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close(pipe_fd[0]);
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ret = (int)write(pipe_fd[1], buf, strlen(buf) + 1);
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T_EXPECT_EQ(ret, (int)strlen(buf) + 1, NULL);
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}
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