| /* Copyright (c) 2013, Sony Mobile Communications AB |
| * Copyright (c) 2012, Google Inc. |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are |
| met: |
| |
| * Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above |
| copyright notice, this list of conditions and the following disclaimer |
| in the documentation and/or other materials provided with the |
| distribution. |
| * Neither the name of Google Inc. nor the names of its |
| contributors may be used to endorse or promote products derived from |
| this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /* Android versions < 4.1 have a broken pthread_sigmask. */ |
| #include "uv-common.h" |
| |
| #include <errno.h> |
| #include <pthread.h> |
| #include <signal.h> |
| |
| int uv__pthread_sigmask(int how, const sigset_t* set, sigset_t* oset) { |
| static int workaround; |
| int err; |
| |
| if (uv__load_relaxed(&workaround)) { |
| return sigprocmask(how, set, oset); |
| } else { |
| err = pthread_sigmask(how, set, oset); |
| if (err) { |
| if (err == EINVAL && sigprocmask(how, set, oset) == 0) { |
| uv__store_relaxed(&workaround, 1); |
| return 0; |
| } else { |
| return -1; |
| } |
| } |
| } |
| |
| return 0; |
| } |