f57bfd4dca
There was a memory corruption issue with the pthread barrier implementation on android, where a barrier could still be in use by one thread when being freed by another. This fixes that issue and adds lots of missing error handling. This implementation is now also used for the OSX fallback. Fixes: https://github.com/libuv/libuv/issues/615 PR-URL: https://github.com/libuv/libuv/pull/790 Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* Copyright (c) 2013, Sony Mobile Communications AB
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* Copyright (c) 2012, Google Inc.
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All rights reserved.
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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 are
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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
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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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 FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Android versions < 4.1 have a broken pthread_sigmask. */
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#include <errno.h>
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#include <pthread.h>
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#include <signal.h>
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int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset) {
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static int workaround;
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int err;
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if (workaround) {
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return sigprocmask(how, set, oset);
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} else {
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err = pthread_sigmask(how, set, oset);
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if (err) {
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if (err == EINVAL && sigprocmask(how, set, oset) == 0) {
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workaround = 1;
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return 0;
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} else {
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return -1;
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}
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}
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}
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return 0;
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}
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