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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>
36 lines
1.3 KiB
C++
36 lines
1.3 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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#ifndef CRASHPAD_COMPAT_ANDROID_DLFCN_INTERNAL_H_
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#define CRASHPAD_COMPAT_ANDROID_DLFCN_INTERNAL_H_
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namespace crashpad {
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namespace internal {
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//! \brief Provide a wrapper for `dlsym`.
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//!
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//! dlsym on Android KitKat (4.4.*) raises SIGFPE when searching for a
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//! non-existent symbol. This wrapper avoids crashing in this circumstance.
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//! https://code.google.com/p/android/issues/detail?id=61799
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//!
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//! The parameters and return value for this function are the same as for
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//! `dlsym`, but a return value for `dlerror` may not be set in the event of an
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//! error.
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void* Dlsym(void* handle, const char* symbol);
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_COMPAT_ANDROID_DLFCN_INTERNAL_H_
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