eab657248d
I don't think we want to *document* this, but since at least external/curl/lib/select.c is relying on this, we should be careful not to break it. Bug: http://b/111850071 Test: ran tests Change-Id: Ic877250d755a0cb59e77ae38ae5e3949f753dad6
57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <gtest/gtest.h>
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#include <errno.h>
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#include <poll.h>
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TEST(poll, poll_null_fds) {
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// Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
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errno = 0;
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ASSERT_EQ(0, poll(nullptr, 0, 1));
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ASSERT_EQ(0, errno);
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}
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TEST(poll, ppoll_null_fds) {
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// Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
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errno = 0;
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timespec ts = { .tv_nsec = 100 };
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ASSERT_EQ(0, ppoll(nullptr, 0, &ts, nullptr));
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ASSERT_EQ(0, errno);
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}
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TEST(poll, ppoll64_null_fds) {
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#if __BIONIC__
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// Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
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errno = 0;
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timespec ts = { .tv_nsec = 100 };
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ASSERT_EQ(0, ppoll64(nullptr, 0, &ts, nullptr));
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ASSERT_EQ(0, errno);
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#endif
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}
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