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990c6d9cb6
`dlsym` on Android KitKat (4.4.*) raises SIGFPE when searching for non-existent symbols. This wrapper installs a signal handler prior to calling `dlsym`. Bug: crashpad:30 Change-Id: Iee94672d3c11b1fad1b01526eea7df688c0356cb Reviewed-on: https://chromium-review.googlesource.com/835411 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// Copyright 2017 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <sys/epoll.h>
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#include <dlfcn.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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#include "dlfcn_internal.h"
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#if __ANDROID_API__ < 21
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extern "C" {
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int epoll_create1(int flags) {
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static const auto epoll_create1_p = reinterpret_cast<int (*)(int)>(
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crashpad::internal::Dlsym(RTLD_DEFAULT, "epoll_create1"));
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return epoll_create1_p ? epoll_create1_p(flags)
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: syscall(SYS_epoll_create1, flags);
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}
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} // extern "C"
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#endif // __ANDROID_API__ < 21
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